Brake Lock Application Guide

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Brake Lock

Ap pli ca tion

Guide

Many com mer cial ve hi cles, as well as

rec re ational and off-high way ve hi cles,

re quire that they re main sta tion ary while

per form ing the func tions for which they

were de signed. Some of these ve hi cles

are found in the util ity, ca ble tele vi sion,

ve hi cle re cov ery, multi-stop, tran sit,

re fuse re cy cling, san i ta tion, ground

sup port, lawn care, and rec re ational

in dus tries.

In ad di tion to a well main tained and

ad justed me chan i cal parking brake,

ex pe ri ence has shown that in many

uses, additional sup ple men tal hold ing is

necessary. This can be done in the form

of wheel chocks, outriggers, or other

means to keep all wheels that are in

con tact with the ground from mov ing.

Hy drau lic Brake Locks

MICO Locks are for sup ple men tal

park ing and are to be used in

con junc tion with a ve hi cle's me chan i cal

park ing brake. They per form as an

op er a tional hold ing brake only and are

not in tended to be used for pro longed

park ing. All MICO Brake Locks in clude

low pres sure warn ing switch(s) for

added safety.

Sev eral types of Brake Locks are

avail able for use in sin gle, dual, split, or

anti-lock brake sys tems. The Brake

Lock you se lect will de pend on the type

of brake sys tem on your ve hi cle.

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MODELS:

02-691-101

Single Brake Lock System

(for vehicles over 19,000 GVW)

02-691-109

Single Brake Lock System

(for vehicles under 19,000 GVW)

02-691-201

Dual Brake Lock System

(for vehicles over 19,000 GVW)

02-691-209

Dual Brake Lock System

(for vehicles under 19,000 GVW)

02-691-303

3-Channel Anti-Lock Brake Lock System

(for vehicles over 19,000 GVW)

02-691-305

3-Channel Anti-Lock Brake Lock System

(for vehicles under 19,000 GVW)

02-691-403

4-Channel Anti-Lock Brake Lock System

(for vehicles over 19,000 GVWoptional on others.)

NOTE: 691 Power Unit uses silicone fluid.

See page 14 for 691 Mod els and Sub-Com po nents.

Brake Lock Product Line

691 Brake Lock System

MICO 691 Brake Lock Sys tems lock hy drau lic pres sure in the ser vice brakes

to sup ple ment the ve hi cle's orig i nal equipment park ing brake and pro vide

ex tra hold ing in heavy-duty and high fre quency ap pli ca tions. These sys tems

also func tion as an in ter lock to ap ply pres sure to the ser vice brakes when

other ve hi cle mounted equip ment is be ing used.

The 691 Sys tem con sists of a small electrohydraulic pump, re mote mounted

ac tu a tor (sin gle and/or dual), elec tronic con trol mod ule, and a small dash

mounted user in ter face. The op er a tor sim ply ac ti vates a switch and the 691

System au to mat i cally ap plies, mon i tors, and main tains brakelock ing pres

-sure.

A 691 Brake Lock will sig nif i cantly en hance ve hi cle hold ing ca pa bil ity while

not in ter fer ing with nor mal ser vice brake func tion.

All MICO Brake Lock Sys tems are for ve hi cles us ing Brake Fluid brak ing

sys tems.

Wire Harness

User Interface

Con trol Module

Dual Actuator

Sin gle Actuator

Power Unit

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MICO, Inc. Form No. 80-950-152 Re vised 2016-01-04 3

MODELS:

03-640-075

Includes - 3/16 & 1/4 inch fittings - (BF)

03-640-076

Includes - 3/16 & 1/4 inch fittings - (HO)

(BF) = Brake Fluid (HO) = Hydraulic Oil

Twist Lock

Twist Locks are func tion ally the same as lever locks. The dif fer ences be ing

a Twist Lock has a ro tary ac tion han dle and the push rod is sealed and

lu bri cated with sili cone grease for tough en vi ron mental ap pli ca tions. Each

Twist Lock in cludes a low pres sure warn ing switch.

MODELS:

02-640-023

Includes - 3/16 & 1/4 inch fittings - includes 10 ft. cable - (BF)

02-640-122

Includes - includes 10 ft. cable - (HO)

(BF) = Brake Fluid (HO) = Hydraulic Oil

MODELS:

02-640-125

Includes - 3/16 & 1/4 inch fittings - (BF)

02-640-126

Includes - 3/16 & 1/4 inch fittings - (HO)

(BF) = Brake Fluid (HO) = Hydraulic Oil

Lever Locks are de signed to sup ple ment a ve hi cle's orig i nal equipment

park ing brake by util iz ing the hy drau lic serv ice brakes. Le ver Locks are

manu ally op er ated one- way check valves which lock fluid un der pres sure in

the se lected brakes. Hand op era tion leaves the op era tor’s feet free for

clutch and throttle pedal op er a tion. Each Lever Lock in cludes a low pres

-sure warn ing switch.

Cable Lock

Ca ble Locks are func tion ally the same as lever locks and twist locks. The

dif fer ence be ing a Cable Lock is ca ble op er ated for re mote mount ings

when space un der the dash is lim ited. Each Cable Lock in cludes a low

pres sure warn ing switch.

Dual Cable Lock

MODELS:

02-640-169

Cable operated - 3/16 & 1/4 inch fittings - includes 10 ft.

cable - (BF)

02-640-202

Cable operated - 3/16 & 1/4 inch fittings - includes 10 ft.

cable - (HO)

(BF) = Brake Fluid (HO) = Hydraulic Oil

Du alocks are de signed to sup ple ment a ve hi cle's orig i nal equipment park ing

brake by uti liz ing the hy drau lic serv ice brakes of a ve hi cle equipped with a

dual or split brak ing sys tem. Dualocks can pro vide 4-wheel lockup for

hy drau lic dual brake sys tems or rear wheel ABS, as well as 2-wheel lockup

for hy drau lic 3 and 4 chan nel ABS. Each Dualock in cludes two low pres sure

warn ing switches.

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TYPICAL DUAL SYSTEM

(Vertical Split)

Two independent braking systems. One system leads to the front brakes and the other system to the rear brakes.

Identifying Features:

1. Two lines from master cylinder.

2. Combination valve (used on some models).

Lock Position:

(1) Front axle (2) Rear axle* (3) 4-wheel *Some imported vehicles use two separate air boosted master cylinders.

Different Brake Systems

Typ i cal hy drau lic brak ing sys tems in use to day vary

de pend ing on manu fac turer and size of ve hi cle. For

in stance, a ve hi cle equipped with a sin gle sys tem may

have a fire wall mounted booster or pos si bly a frame

mounted re mote booster. The same holds true for the

dual and split sys tems. The rear wheel anti- lock sys tem

is a dual brake sys tem with an anti- lock valve in stalled.

All- wheel anti- lock sys tems are de fined as 3- channel or

4- channel sys tems (Check the number of out let lines

from the anti- lock con trol valve). To be ab so lutely sure

which brak ing sys tem your ve hi cle is equipped with,

check it. Look for iden ti fy ing fea tures such as dual flex

lines at rear axle or front wheels, number of mas ter

cyl in der lines, anti- lock valve(s), etc. Then, com pare

with cir cuits shown here.

TYPICAL SINGLE SYSTEM

One single hydraulic system serving both front and rear brakes.

Identifying Feature:

1. One line from master cylinder.

Lock Position:

(1) Front axle (2) Rear axle (3) 4-wheel

FIGURE 1

FIGURE 2

TYPICAL SPLIT SYSTEM

(1 1/2 x 1/2)

Two independent braking systems. One system leads to the front and the rear brakes and the other system leads only to the rear brakes.

Identifying Features:

1. Two lines from master cylinder. 2. Single hose to each front wheel. 3. Two hoses to rear axle.

Lock Position:

(1) Front axle (2) Rear axle (3) 4-wheel

CAUTION: If position 2 or 3 is used, both halves of system must be locked.

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TYPICAL 4-CHANNEL ALL-WHEEL

ANTI-LOCK SYSTEM

Provides braking control by way of an independent channel for each front wheel and each rear wheel.

Identifying Features:

1. Two lines from master cylinder to anti-lock valve. 2. Separate lines from anti-lock valve to each of the front

and rear wheels.

Lock Position:

(1) Front axle (2) Rear axle (1 & 2) 4-wheel

NOTE: Some 4-chan nel anti-lock brake sys tems use two sep a rate anti-lock valve assemblies.

IMPORTED TRUCK 3-CHANNEL

ALL-WHEEL ANTI-LOCK SYSTEM

Provides braking control by way of independent anti-lock channels for each rear wheel and a third channel for the front wheels.

Identifying Features:

1. Three separate air/hydraulic brake boosters. 2. One line to front brakes.

3. Separate lines to each rear wheel.

Lock Position:

(1) Front axle (2) Rear axle (1 & 2) 4-wheel

NOTE: The anti-lock func tions on air booster sys tem, not the hy drau lic side.

FIGURE 5

TYPICAL 3-CHANNEL ALL-WHEEL

ANTI-LOCK SYSTEM

Provides braking control by way of independent anti-lock channels for each front wheel and a third channel for both rear wheels.

Identifying Features:

1. Two lines from master cylinder to anti-lock valve(s). 2. One line from anti-lock valve to rear brakes.

3. Separate lines from anti-lock valve to each front wheel.

Lock Position:

(1) Front axle (2) Rear axle (1 & 2) 4-wheel

NOTE: Some 3-chan nel anti-lock brake sys tems use two sep a rate anti-lock valve assemblies.

FIGURE 6

FIGURE 7

TYPICAL REAR WHEEL ANTI-LOCK SYSTEM

(Dual Vertical Split)

Two independent braking systems. One system leads to the front brakes and the other system to the rear brakes.

Identifying Features:

1. Two lines from master cylinder.

2. Anti-lock control valve between master cylinder and rear wheels.

Lock Position:

(1) Front axle (2) Rear axle (3) 4-wheel

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North Amer i can Manufactured

Chev ro let - GMC

Ve hi cle Ap pli ca tion

Light Duty (C/K10, C/K1500) Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1967-1987 Dual F-disc/R-drum Early mod els had 4 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) wheel drum brakes. 02-640-169 02-640-125

1988-1994 Rear ABS F-disc/R-drum 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 4) 02-640-169 02-640-125

1995-2009 3-chan nel ABS F-disc/R-drum 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

2010-2013 4-chan nel ABS F-disc/R-drum 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

Light Duty (C/K20-30, C/K2500-4500) Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1967-1987 Dual F-disc/R-drum Early mod els had 4 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) wheel drum brakes. 02-640-169 02-640-125

1988-1994 Rear ABS F-disc/R-drum 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 4) 02-640-169 02-640-125

1995-2013 3-chan nel ABS F-disc/R-drum 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

3500HD (All mod els have Hy drau lic Boost Mas ter Cylinders)

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1990-1992 Dual 4 wheel disc Load sens ing valve at 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) rear axle. 02-640-169 02-640-125

1993-1994 Rear ABS 4 wheel disc Load sens ing valve at 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 4) rear axle. 02-640-169 02-640-125

1995-2002 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

Me dium Duty (C50-C65, Ko diak & TopKick, C4500-C7500 Con ven tional Cab, T5500-T7500 Tilt Cab - Also Isuzu H-Se ries Con ven tional Cab)

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1970-mid 1980s Sin gle Drum Vac uum/Hy drau lic 02-691-101 02-691-101 02-691-101 02-691-101

(Fig ure 1) Boost 02-640-023 02-640-023

1970-mid 1980s Dual Drum Vac uum/Hydraulic 02-691-201 02-691-101 02-691-201 02-691-101

(Fig ure 2) Boost 02-640-169 02-640-023

1970-mid 1980s 1 1/2 x 1/2 split Drum A dual brake lock is 02-691-201 02-691-201 02-691-201 02-691-201

(Fig ure 3) re quired for ei ther 02-640-023u

rear or 4 wheel lockup.

mid ‘80s-1996 Dual 4 wheel disc Hy drau lic Boosted 02-691-201 02-691-101 02-691-201 02-691-101

(Fig ure 2) Mas ter Cyl in der. 02-640-169 02-640-023

1997-2009 4-chan nel ABS 4 wheel disc 4-chan nel ABS stan dard. 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) Op tion to de lete available 02-640-169

prior to 1 Mar 99. : : With 4-chan nel ABS de leted, brake sys tem type is Dual (Fig ure 2)

NOTE: Vac uum/Hy drau lic Boost = Vac uum as sisted booster for hy drau lic cylinder

Hy drau lic Boost Mas ter Cylinder = Mas ter cyl in der driven by hy drau lic booster pow ered by steer ing pump

uFront wheel lockup only *Rear wheel lockup only on 3-chan nel ABS Best Choice

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North Amer i can Manufactured

Dodge - Ram

Ve hi cle Ap pli ca tion

Light Duty (D100, Ram 1500) Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

mid 70’s-1988 Dual F-disc/R-drum 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) 02-640-169 02-640-125

1989-1993 Rear ABS F-disc/R-drum Anti-lock valve lo ca tion at 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 4) rear axle makes it dif fi cult 02-640-169 02-640-125

to in stall lock down stream from anti-lock valve. Sin gle locks should go on front axle.

1994-1998 Rear ABS F-disc/R-drum 3-chan nel ABS op tional. 02-691-209s02-691-109* 02-691-209s 02-691-109*

(Fig ure 4) (Fig ure 6) 02-640-125*

1999-2006 3-chan nel ABS F-disc/R-drum Rear ABS (Fig ure 4) 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) in 2001-2005 stan dard on ST, STL; 02-640-125*

model year 3-chan nel ABS (Fig ure 6) 4 wheel disc stan dard on STX, Laramie,

all mod els op tional on oth ers. 2006-2011

` model year

2007-2013 4-chan nel ABS 4 wheel disc MY 2007-2008 ST, 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) STL had Rear ABS 02-640-169

(Fig ure 4) stan dard, 4-chan nel ABS op tional (Fig ure 7)

Light Duty (D250-D350, Ram 2500-3500)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

mid 70’s-1988 Dual F-disc/R-drum 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) 02-640-169 02-640-125

1989-1993 Rear ABS F-disc/R-drum Anti-lock valve lo ca tion at 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 4) rear axle makes it dif fi cult 02-640-169 02-640-125

to in stall lock down stream from anti-lock valve. Sin gle locks should go on front axle.

1994-1998 Rear ABS F-disc/R-drum 3-chan nel ABS op tional. 02-691-209s02-691-109* 02-691-209s 02-691-109*

(Fig ure 4) (Fig ure 6) 02-640-125*

1999-2012 3-chan nel ABS F-disc/R-drum 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 4 wheel disc 02-640-125*

in 2001-2005 model year 4 wheel disc all mod els

2006-2012 model year

2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

Medium Duty (Ram 4500-5500)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2008-2012 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

NOTE: Vac uum/Hy drau lic Boost = Vac uum as sisted booster for hy drau lic cyl in der

Hy drau lic Boost Mas ter Cyl in der = Mas ter cyl in der driven by hy drau lic booster pow ered by steer ing pump

sOn 3-chan nel ABS Sys tems use 02-691-305 *Rear wheel lockup only on 3-chan nel ABS Best Choice

(8)

Ford

Ve hi cle Application

Light Duty (E150-E250, F150-F250) be low 8600 lb GVW Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1967-1986 Dual F-disc/R-drum Early mod els had 4 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) wheel drum brakes. 02-640-169 02-640-125

1987-1996 Rear ABS F-disc/R-drum 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 4) 02-640-169 02-640-125

1997-2003 Rear ABS F-disc/R-drum 3-chan nel ABS 02-691-209s02-691-109* 02-691-209s 02-691-109*

(Fig ure 4) op tional. (Fig ure 6) 02-640-169s 02-640-125*

2004-2009 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

2010-2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-109

(Fig ure 7) 02-640-169

Light Duty (E250-E35, F250-F350) 8600 lb and above GVW

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1967-1986 Dual F-disc/R-drum Early mod els had 4 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) wheel drum brakes. 02-640-169 02-640-125

1987-1998 Rear ABS F-disc/R-drum 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 4) 02-640-169 02-640-125

Super Duty

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1988-1998 Dual 4 wheel disc 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) 02-640-169 02-640-125

Super Duty (E250-E350, F250-F350) Be low 10,000 lb GVW, sin gle rear wheel

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1999-2000 Rear ABS 4 wheel disc 3-chan nel ABS op tional. 02-691-209s02-691-109* 02-691-209s 02-691-109*

(Fig ure 4) (Fig ure 6) 02-640-169s 02-640-125*

2001-2010 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

2011-2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

on sin gle rear wheel mod els

Super Duty (E350-E450, F350-F550) 10,000 lb and over GVW, dual rear wheel

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1999-2013 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

Me dium Duty(F650-F750), 23,000 lb and over GVW

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2001-2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

Me dium Duty(F500-F800)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1984-1999 Dual Drum or Disc/drum OEM spring-ap ply NA 02-691-101u NA 02-691-101u

(Fig ure 2) rear park brakes 02-640-023u

stan dard. Use MICO Locks on front bakes only.

NOTE: Hy drau lic Boost Mas ter Cyl in der = Mas ter cyl in der driven by hy drau lic booster pow ered by steer ing pump

Best Choice s On 3-chan nel ABS sys tems use 02-691-305 u Front wheel lockup only NA Not Ap pli ca ble

North Amer i can Manufactured

(9)

Ford

Ve hi cle Ap pli ca tion

Me dium Duty (LCF) Cab For ward 16,000-19,500 lb GVW Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2005-2010 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 4) 02-640-023*

Freightliner

Me dium Duty(Busi ness Class F50-F80, Busi ness Class M2, MT35-MT55)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1991-1996 Dual 4 wheel disc Hy drau lic Boost 02-691-201 02-691-101 02-691-201 02-691-101

(Fig ure 2) Mas ter Cyl in der. 02-640-169 02-640-023

1997-2013 4-chan nel ABS 4 wheel disc 4-chan nel ABS stan dard. 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) Option to de lete 02-640-169

avail able prior to 3/1/99. :

In ter na tional - Navistar

Me dium Duty (S1600-S1800 "Loadstar")

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1970-1987 Sin gle Drum Vac uum/Hy drau lic. 02-691-101 02-691-101 02-691-101 02-691-101

(Fig ure 1) Boost 02-640-023 02-640-023

1970-1987 1 1/2 x 1/2 split Drum A dual brake lock is 02-691-201 02-691-201 02-691-201 02-691-201

(Fig ure 3) re quired for ei ther 02-640-023u

rear or 4 wheel lockup.

1970-1987 Dual Drum Hydrovac(s) 02-691-201 02-691-101 02-691-201 02-691-101

(Fig ure 2) 02-640-169 02-640-023

Me dium Duty (Se ries 4600-4900’s)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1988-1998 Dual 4 wheel disc Hy drau lic Boosted 02-691-201 02-691-101 02-691-201 02-691-101

(Fig ure 2) Mas ter Cyl in der. 02-640-169 02-640-023

1999-2001 4-chan nel ABS 4 wheel disc 4 chan nel ABS stan dard. 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) Op tion to de lete was 02-640-169

avail able prior to 1 Mar 99. :

Me dium Duty ("Durastar" 4100-4300)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2002-2013 4-chan nel ABS 4 wheel disc 2009 and newer models 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) use Merritor HPB 02-640-169

Me dium Duty ("TerraStar" Con ven tional cab 16,000-19,500 lb GVW)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2011-2013 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

Me dium Duty (Citystar CF500-CF600 Cab For ward 16,000-19,500 lb GVW)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2005-2010 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-023*

: With 4-chan nel ABS de leted, brake sys tem type is Dual (Fig ure 2)

NOTE: Vac uum/Hy drau lic Boost = Vac uum as sisted booster for hy drau lic cyl in der

Hy drau lic Boost Mas ter Cyl in der = Mas ter cyl in der driven by hy drau lic booster pow ered by steer ing pump

North Amer i can Manufactured

u Front wheel lockup only * Rear wheel lockup only on 3-chan nel ABS Best Choice

(10)

North Amer i can Manufactured

Kenworth

Ve hi cle Ap pli ca tion

Me dium Duty (T170-T-370) Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2001-2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

Peterbilt

Me dium Duty (Model 325-337)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2001-2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

Ster ling

Me dium Duty ("Bul let" CONV45-CONV55)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2008-2009 3-chan nel ABS 4 wheel disc 02-691-305 02-691-109* 02-691-305 02-691-109*

(Fig ure 6) 02-640-125*

Me dium Duty ("Actera" 5500-7500)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2001-2009 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

Toyota

Tun dra

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2008-2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

NOTE: Vac uum/Hy drau lic Boost = Vac uum as sisted booster for hy drau lic cyl in der

Hy drau lic Boost Mas ter Cyl in der = Mas ter cyl in der driven by hy drau lic booster pow ered by steer ing pump

(11)

Off shore Manufactured

Dodge - Freightliner Sprinter

Ve hi cle Ap pli ca tion

Light Duty (Van & Cab-chas sis) Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2002-2013 4-chan nel ABS 4 wheel disc 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

Gen eral Mo tors "W" Se ries Chev Tiltmaster - GMC For ward

Light Duty (W3500-4500) also W5500 through 1998 model year

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1986-1998 Dual Disc/Drum-Drum Vac uum/Hy drau lic 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) booster. 02-640-169 02-640-023

2000-2009 4-chan nel ABS F-disc/R-drum Vac uum/Hy drau lic 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) Hy drau lic/Hy drau lic booster. 02-640-169

Medium Duty (W5500-W5500HD)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2000 3-chan nel ABS Disc/Drum-Drum Air/Hy drau lic boost 02-691-303 02-691-209p02-691-303 02-691-209p

(Fig ure 5) with ABS on the air side. 02-640-169p

2001-2009 4-chan nel ABS 4 wheel disc 4-chan nel ABS Vac/Hyd 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) Vac uum/Hy drau lic booster. 02-640-169

2005-2007 HD is Hy drau lic/Hy drau lic.

Me dium Duty (WT5500)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2000-2004 3-chan nel ABS Disc/Drum-Drum Air/Hy drau lic boost 02-691-303 02-691-209p02-691-303 02-691-209p

(Fig ure 5) with ABS on the air side. 02-640-169p

Hino

Cab Over (FA)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2001-2004 3-chan nel ABS 4 wheel drum Vac uum/Hy drau lic 02-691-305 02-691-209p02-691-305 02-691-209p

(Fig ure 5) Air/Hy drau lic booster. 02-640-169p

Cab Over (FB, FD, FF)

2001-2004 3-chan nel ABS 4 wheel drum Air/Hy drau lic boost 02-691-303 02-691-209p02-691-303 02-691-209p

(Fig ure 5) with ABS on the air side. 02-640-169p

Cab Over (195-195 H)

2012-2013 4-chan nel ABS 4 wheel disc Hy drau lic booster 02-691-403 02-691-209 02-691-403 02-691-209 (Fig ure 7)

Con ven tional Cab (145-268)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

2005-2011 4-chan nel ABS 4 wheel disc Hy drau lic booster. 02-691-403 02-691-209 02-691-403 02-691-209 (Fig ure 7)

Con ven tional Cab (238-268)

2012-2013 4-chan nel ABS 4 wheel disc Hy drau lic booster. 02-691-403 02-691-209 02-691-403 02-691-209 (Fig ure 7)

NOTE: Vac uum/Hy drau lic Boost = Vac uum as sisted booster for hy drau lic cyl in der

Hy drau lic Boost Mas ter Cyl in der = Mas ter cyl in der driven by hy drau lic booster pow ered by steer ing pump

pRear wheel lockup only Best Choice

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Isuzu

Ve hi cle Ap pli ca tion

Light Duty ("NPR", "NPR-HD", "NQR", "NRR") In ter lock Ap pli ca tions /

Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1986-1998 Dual Disc/Drum-Drum Vac uum/Hy drau lic. 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) 02-640-169 02-640-023

2000-2013 4-chan nel ABS F-disc/R-drum Vac uum/Hy drau lic 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) or Hy drau lic/Hy drau lic. 02-640-169

Me dium Duty (Isuzu "FRR")

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1988-1998 Dual Drum Air/Hy drau lic. 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) 02-640-169 02-640-023

2000-2004 3-chan nel ABS 4 wheel drum Air/Hy drau lic boost 02-691-303 02-691-209p02-691-303 02-691-209p

(Fig ure 5) with ABS on the air side. 02-640-169p

Me dium Duty (Isuzu "FSR", "FTR", "FVR")

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1999-2010 4-chan nel ABS 4-wheel disc Hy drau lic booster. 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

NOTE: For Isuzu H-Se ries con ven tional cabs - See Chev ro let Me dium duty sec tion.

Mitsubishi - Fuso

Light-Medium Duty (FE-FG, 125-180)

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1991-1998 Dual Drum 02-691-209 02-691-109 02-691-209 02-691-209

(Fig ure 2) 02-640-169 02-640-023

2000-2013 4-chan nel ABS F-disc/R-drum, Vac uum/Hydraulic 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 4-wheel disc, booster. 02-640-169

or 4-wheel drum

Me dium Duty (FH)

Model Year Brake Sys tem Type Serv ice Brakes Mis cel la ne ous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1996-1998 Dual 4-wheel drum Air/Hy drau lic boost ers. 02-691-201¨ 02-691-101¨ 02-691-201¨ 02-691-101¨

(Fig ure 2) 02-640-169 02-640-023

2000-2004 4-chan nel ABS 4-wheel drum Hy drau lic booster. 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) 02-640-169

Me dium Duty (FK, FM-MR, FM-HR, FM260)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1991-1998 Dual 4-wheel drum 02-691-201¨ 02-691-101¨ 02-691-201¨ 02-691-101¨

(Fig ure 2) 02-640-169 02-640-023

1999-2010 3-chan nel ABS 4-wheel drum 3-chan nel ABS 02-691-303 02-691-209p02-691-303 02-691-209p

(Fig ure 5) Air/Hydraulic boost 02-640-169p

with ABS on air side.

NOTE: Vac uum/Hy drau lic Boost = Vac uum as sisted booster for hy drau lic cyl in der

Hy drau lic Boost Mas ter Cyl in der = Mas ter cyl in der driven by hy drau lic booster pow ered by steer ing pump

Off shore Manufactured

Best Choice pRear wheel lockup only.

NOTE

1999 was a tran si tion year to ABS sys tems on most im ported trucks. If a 1999 model does not have ABS, use the

1998 rec om men da tions. Use the 2000 rec om men da tions for trucks hav ing ABS.

¨ 02-600-038 Re mote Res er voir Kit rec om mended if power unit is mounted on frame rail. (See page 14)

(13)

UD

Ve hi cle Ap pli ca tion

Light Duty (1200-1400) In ter lock Ap pli ca tions /

Ae rial Lift Bucket Other Ap pli ca tions Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1990-1998 Dual 4-wheel drum Vac uum/Hydraulic 02-691-209 02-691-109 02-691-209 02-691-109

(Fig ure 2) booster. 02-640-169 02-640-023

2000-2012 4-chan nel ABS F-disc/R-drum, Vac uum/Hy drau lic 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) or 4-wheel disc booster. 02-640-169

Me dium Duty (1800-2600)

Model Year Brake Sys tem Type Ser vice Brakes Mis cel la neous Notes 4 Wheel 2 Wheel 4 Wheel 2 Wheel

1990-1998 Dual 4-wheel drum Air/Hy drau lic boost ers. 02-691-201¨ 02-691-101¨ 02-691-201¨ 02-691-101¨

(Fig ure 2) On trucks with op tional 02-640-169 02-640-023

air-rear park ing brake, lock front brakes only.

2000-2013 4-chan nel ABS 4-wheel drum Air/Hy drau lic boost ers. 02-691-403 02-691-209 02-691-403 02-691-209

(Fig ure 7) On trucks with op tional 02-640-169

air-rear park ing brake, lock front brakes only.

NOTE: Vac uum/Hy drau lic Boost = Vac uum as sisted booster for hy drau lic cyl in der

Hy drau lic Boost Mas ter Cyl in der = Mas ter cyl in der driven by hy drau lic booster pow ered by steer ing pump

Off shore Manufactured

Best Choice ¨ 02-600-038 Re mote Res er voir Kit rec om mended if power unit is mounted on frame rail. (See page 14)

NOTE

1999 was a tran si tion year to ABS sys tems on most im ported trucks. If a 1999 model does not have ABS, use the

1998 rec om men da tions. Use the 2000 rec om men da tions for trucks hav ing ABS.

(14)

691 Accessories

Re mote Res er voir

For use in (BF) applications

MICO of fers a re mote res er voir kit (part num ber

02-600-038) for in stal la tions where the Power Unit

brass breather plug can not be kept up right and away

from dust and dirt or when visual mon i tor ing of fluid

level is de sired.

7/16-20UNF 7/16-20UNF o 37 Flare 34-350-006 90° El bow 34-350-011 45° El bow

34-050-078 Straight Adapter 34-050-079 Straight Adapter

7/16-20UNF 7/16-20UNF o 37 Flare 7/16-20UNF o 37 Seat SAE 3/8-24 for 3/16" Line 7/16-20UNF o 37 Seat SAE 7/16-24 for 1/4" Line Reservoir Connector Tubing, 10 ft. Connector Adapter Nut

691 Models and Sub-Com po nents

Sys tem Model Num ber

De scrip tion Power Unit Con trol

Mod ule Ac tu a tor

User Interface

Main Wire Harness

02-691-101 Sin gle (1 3/4 in. bore) 20-410-014 32-585-006 20-460-013 32-585-007 32-820-021 02-691-109 Sin gle (1 1/4 in. bore) 20-410-014 32-585-006 20-460-018 32-585-007 32-820-021 02-691-201 Dual (1 3/4 in. bore) 20-410-014 32-585-006 20-460-012 32-585-007 32-820-021 02-691-209 Dual (1 1/4 in. bore) 20-410-014 32-585-006 20-460-017 32-585-007 32-820-021 ** 02-691-223 Dual (1 1/4 in. bore) 20-410-014 32-585-006 20-460-018 (two) 32-585-007 32-820-021

*** 02-691-303 3-Channel 20-410-014 32-585-006 20-460-013 (one)

20-460-017 (one) 32-585-007 32-820-021

**** 02-691-305 3-Channel 20-410-014 32-585-006 20-460-018 (one)

20-460-017 (one) 32-585-007 32-820-021

***** 02-691-403 4-Channel 20-410-014 32-585-006 20-460-017 (two) 32-585-007 32-820-021

** Consists of two 1 1/4 inch diameter single actuators.

*** Consists of one 1 3/4 inch diameter single actuator and one 1 1/4 inch diameter dual actuator. **** Consists of one 1 1/4 inch diameter single actuator and one 1 1/4 inch diameter dual actuator. ***** Consists of two 1 1/4 inch diameter dual actuators.

El bow Fit tings and Straight Adapters

Sim plify plumb ing in stal la tion us ing 90

°

or 45

°

el bows

and straight adapt ers avail able from MICO. These

fit tings al low more di rect rout ing of brake tubes with

fewer bends and are handy when mount ing com po

-nents in close quar ters.

Wire Har ness Ex ten sion

The 11 ft. sup ple men tal har ness sim pli fies wir ing

when 691 Control Mod ule is mounted away from

Power Unit. Con tains wa ter proof adapt ers for quick

con nec tion of Control Mod ule and Power Unit leads.

Part num ber 32-820-022.

Re mote Res er voir Kit

(15)

1. All MICO lock ing de vices are sup ple men tal safety equip ment which pro vide ad di tional brake hold ing ac tion when used with ex ist ing ve hi cle park ing brake.

2. The Low Pres sure Warn ing Switch must be used in com bi na tion with an au di ble and/or vi sual alarm to sig nal any loss of sys tem pres sure. The Low Pressure Warn ing Switch is ex plained in the Op er ating In struc tions. Do not dis con nect Low Pres sure Warn ing Switch. (Does not ap ply for 691 Brake Lock Sys tem).

3. The 691 Sys tem must be used in com bi na tion with an au di ble and/or vi sual alarm to sig nal any loss of brake sys tem pres sure. Do not dis con nect ve hi cle horn/vi sual alarm or Con trol Mod ule alarm.

4. All lines, fit tings and ad ja cent ar eas must be cleaned of dirt or road res i due be fore any lines or fit tings are dis con nected. Spe cial care should be taken so dirt and road res i due are not al lowed to en ter hy drau lic brake sys tem. This could con tam i nate the sys tem and in ter fere with proper op er a tion of brakes and MICO lock ing de vices.

5. Fol low pro ce dures out lined in Ve hi cle Man u fac turer’s Ser vice Man ual or SAE Stan dards when mak ing new con nec tions or add ing to ex ist ing brake sys tems. Use only steel brake tub ing con form ing to SAE spec i fi ca tions.

6. Use only proper sys tem fluid con form ing to lat est SAE or DOT Stan dards. Im-proper or con tam i nated fluid may cause gummy de pos its and soft en ing and swell ing of other rub ber seals in the en tire brake sys tem. Such a con di tion must be cor rected im me di ately.

7. Do not use seal ants, tapes, tef lon or ce ment com pounds on any con nec tions or fit tings. The seal ants or com pounds can con tam i nate the hy drau lic brake sys tem and in ter fere with the op er a tion of brake com po nents or MICO lock ing de vice.

8. All fit tings and con nec tions must be in good con di tion and tight ened to proper torque val ues as spec i fied in the In stal la tion and Ser vice In struc tions. 9. Sep a rate mod els of MICO lock ing de vices are avail able for brake fluid and for

min eral based hy drau lic oil. Se lect model to con form with the type of fluid in sys tem.

10. Brake hoses, brake lines, MICO lock ing de vice, brake com po nents, cyl in ders, and all fit tings must be rou tinely in spected for leaks, dam age or wear. Ade-quate fluid lev els must be main tained. In the event of any loss of fluid, brake sys tem must be care fully in spected for leaks.

11. Af ter in stal la tion, bleed sys tem ac cord ing to ve hi cle man u fac turer’s recom-mendations.

12. Fol low IN SPEC TIONS and TESTS sec tion as out lined in the Op er ating In struc tions.

13. The self-ad he sive warn ing(s) ac com pa ny ing each MICO lock ing de vice must be af fixed in cab in view of op er a tor.

14. The Op er ating In struc tions must be placed in cab of ve hi cle in a place avail-able to op er a tor.

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www.mico.com

MICO is a trademark and registered trademark of MICO, Inc. MICO is registered in the U.S. Patent and Trademark Office as well as in Australia, Canada, Indonesia, Japan, Peoples Republic of China, South Korea, and the European Community.

This document is intended to provide general information about MICO Products. MICO, Inc. has attempted to present accurate information about MICO Products in its catalogs, brochures, and other printed materials. MICO, Inc. is not responsible for errors, inaccuracies, or inconsistencies that may exist in any catalog brochure or other printed materials or any damages arising from or related to reliance on information in them. Materials and specifications for MICO Products set forth in catalogs, brochures, and other printed materials are subject to change without notice or obligation. Refer to www.mico.com for the most recent versions of our literature. If you have any questions concerning MICO Products, please contact MICO, Inc. All MICO Products and service are sold and provided subject to the MICO Warranty at www.mico.com in effect on the date of sale or supply.

MICO, In cor po rated

1911 Lee Bou le vard

North Mankato, MN U.S.A. 56003-2507

Tel:

+1 507 625 6426

Fax:

+1

507 625 3212

In no va tive Brak ing and Con trols World wide

Figure

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References

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