OPERATOR INSTRUCTIONS
OPERATOR CONTROLS AND INDICATORS – CONTINUED
Door Handles and Latches – Continued 0004
KEY COMPONENT DESCRIPTION
1 Outer Door Handle Unlatches door from outside of cab.
2 Inner Door Handle Unlatches door from inside of cab.
3 Door Lock Enables operator to lock door from inside.
4 Latch Release Lever Releases latch to allow door to close.
5 Latch Holds door open.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Operator Seat and Armrest 0004
Figure 4. Operator Seat and Armrest. 0004
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
KEY COMPONENT DESCRIPTION
1 Back Extension Grasp back extension and pull up to remove.
2 Lumbar Support Knob Rotate knob counterclockwise to increase stiffness of lumbar support.
Rotate knob clockwise to decrease stiffness.
3 Forward/Back Seat Adjustment Lever Pull up on lever to adjust seat forward or backward. Release lever to lock.
4 Seat Height Adjustment Lever Pull up on lever to adjust seat upward or downward. Release lever to lock.
5 Weight Adjustment Knob Adjusts seat suspension to accommodate operators of different sizes. Rotate knob clockwise to increase seat suspension tension for heavier operators. Rotate knob counterclockwise to decrease seat suspension tension for lighter operators.
6 Ride Zone Indicator Indicates where seat suspension is set. Black bar in yellow zone indicates seat adjustment setting. Adjust weight adjustment knob accordingly.
7 Back Cushion Angle Adjustment Lever Pull up on lever to release angle adjustment lock. Allow back to spring forward or lean backward to adjust. Release lever to lock.
8 Seat Cushion Tilt Front of seat cushion is pinned in a groove. Grasp seat pan and rotate “forward-up-and-back” to position seat into a steep angle.
Grasp seat pan and rotate “forward-down-and-back” to position seat at nominal angle.
9 Armrest Loosen two knobs to allow up/down adjustment of right
armrest.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Seat Belt 0004
Figure 5. Seat Belt. 0004
Left Joystick Steering, Parking Brake, and Transmission Controls. 0004
Figure 6. Left Joystick Steering, Parking Brake, and Transmission Controls. 0004
KEY COMPONENT DESCRIPTION
1 Seat Belt (Retractable) Secures operator in seat.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Left Joystick Steering, Parking Brake, and Transmission Controls – Continued. 0004
KEY COMPONENT DESCRIPTION
1 Parking Brake Control Knob Pull knob up to engage parking brake and lock joystick to prevent steering or transmission engagement.
Push knob down to disengage parking brake and unlock joystick.
2 Transmission Directional Selector Rotate joystick twist handle to F (FORWARD) position to engage transmission forward gears. Joystick remains in forward position when released.
Rotate joystick twist handle to N (NEUTRAL) position to disengage transmission.
Rotate joystick twist handle to R (REVERSE) position to engage transmission reverse gears. Joystick remains in reverse position when released.
3 Steering Control Lever While traveling in a forward direction:
Push joystick forward to steer machine to the left.
Pull joystick backward to steer machine to the right.
While traveling in a reverse direction:
Push joystick forward to steer machine to the right.
Pull joystick rearward to steer machine to the left.
With transmission in NEUTRAL:
Push joystick forward to cause a counterclockwise (counter-rotate) turn.
Pull joystick backward to cause a clockwise (counter-rotate) turn.
Release joystick to return joystick to NO STEER position.
Turning speed is proportional to joystick position.
4 Upshift Button Push button once to manually upshift transmission to next higher gear.
5 Downshift Button Push button once to manually downshift transmission to next lower gear.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Right Joystick Dozer Blade Controls 0004
Figure 7. Right Joystick Dozer Blade Controls. 0004
KEY COMPONENT DESCRIPTION
1 Hold Joystick returns to HOLD position when released, except
when joystick is in FLOAT position. Dozer blade remains in position.
2 Lower Push joystick forward to lower dozer blade. Dozer blade lift
cylinder speed is proportional to joystick position.
3 Float Push joystick forward past detent to activate dozer blade float
mode.
Joystick remains in FLOAT position until operator moves joystick out of detent or until engine is shut down.
Float mode allows blade to follow ground contour.
4 Raise Pull joystick back to raise dozer blade. Dozer blade lift cylinder speed is proportional to joystick position.
5 Tilt Right Push joystick right to lower right side dozer blade.
Release joystick, joystick returns to HOLD position. Dozer blade remains in position.
6 Tilt Left Pull joystick left to lower left side dozer blade.
Release joystick, joystick returns to HOLD position. Dozer blade remains in position.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Winch Control Lever 0004
Figure 8. Winch Control Lever. 0004
KEY COMPONENT DESCRIPTION
1 Brake On Default joystick position. Winch drum held in place by winch
brake.
2 Brake Off Push lever right past detent to release winch brake. Lever will remain in BRAKE OFF position until moved back to BRAKE ON (default) position.
Note: Winch does not have free-spool function.
3 Reel In Move lever forward to reel in cable.
Release lever to stop winch. Lever returns to BRAKE ON (default) position.
Winch speed is proportional to lever position.
4 Reel Out Move lever rearward to reel out cable under power.
Release lever to stop winch. Lever returns to BRAKE ON (default) position.
Winch speed is proportional to lever position.
5 Low Lock Switch Press switch to activate LOW LOCK. Low lock provides maximum reel-in power while turning at slowest speed.
6 Low Lock Indicator Illuminates when low lock is activated.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Ripper Control Lever 0004
Figure 9. Ripper Control Lever. 0004
KEY COMPONENT DESCRIPTION
1 Hold Default position for lever. Ripper movement stops.
2 Shank In Push lever forward to tilt ripper shanks in closer to machine.
Release lever, ripper shanks remain in position. Lever returns to HOLD position.
3 Shank Out Pull lever rearward to tilt ripper shanks out away from
machine.
Release lever, ripper shanks remain in position. Lever returns to HOLD position.
4 Lower Push lever right to lower ripper.
Release lever, ripper remains in position. Lever returns to HOLD position.
5 Raise Pull lever to left to raise ripper.
Release lever, ripper remains in position. Lever returns to HOLD position.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Horn Button, Throttle Control Switch, Arctic Heater Switch, and Hydraulic Lockout Switch 0004
Figure 10. Horn Button, Throttle Control Switch, Arctic Heater Switch, and Hydraulic Lockout Switch. 0004
KEY COMPONENT DESCRIPTION
1 Horn Button Press to activate horn.
2 Throttle Control Switch Engine high and low idle speeds are factory set and cannot be adjusted.
Press top of switch to activate engine high idle.
Press bottom of switch to deactivate high idle and resume low engine idle speed.
Set maximum operating speed at a point less than high idle as follows:
a. Activate high idle.
b. Depress deceleration pedal until desired speed is reached.
c. Press and hold top of switch for three seconds, then release.
d. Deceleration pedal will function normally, reducing engine speed from maximum operating speed.
To deactivate maximum operating speed, press top of switch to reactivate high idle.
3 Arctic Heater Switch (if equipped) Press top of switch to activate arctic heater. Switch illuminates when activated.
Press bottom of switch to deactivate.
4 Hydraulic Lockout Switch Press top of switch to deactivate (lock) dozer blade and ripper/
winch controls.
Press bottom of switch to activate (unlock) dozer blade and ripper/winch controls.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Service Brake Control and Decelerator Pedal 0004
Figure 11. Service Brake Control and Decelerator Pedal. 0004
KEY COMPONENT DESCRIPTION
1 Service Brake Control Depress pedal to slow and stop machine.
Depress pedal while on a downgrade to prevent engine over-speeding and while changing direction on a steep slope.
2 Decelerator Pedal Depress pedal to reduce engine speed below maximum oper-ating speed.
Depress pedal to override throttle control.
Depress pedal to reduce engine speed for directional shifts and while maneuvering in tight locations.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Cab Dome Lamp Switch 0004
Figure 12. Cab Dome Lamp Switch. 0004
.
KEY COMPONENT DESCRIPTION
1 Cab Dome Lamp Switch Press top of switch to turn dome lamp on.
Press bottom of switch to turn dome lamp off.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Mirror 0004
Figure 13. Mirror. 0004
Incline Meter 0004
Figure 14. Incline Meter. 0004
KEY COMPONENT DESCRIPTION
1 Mirror Used to view objects behind machine.
2 Knob Loosen knob to allow mirror adjustment. Tighten knob to lock
mirror in desired position.
KEY COMPONENT DESCRIPTION
1 Incline Meter Shows angle of machine while traversing an incline.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Light Switches and Heater/Air Conditioning Controls 0004
Figure 15. Light Switches and Heater/Air Conditioning Controls. 0004
KEY COMPONENT DESCRIPTION
1 Rear-Facing Floodlight Switch Press top of switch to activate rear-facing floodlights when main light switch is in either floodlight or headlight position.
Press bottom of switch to deactivate.
2 Main Light Switch Turn switch counterclockwise to OFF position.
Turn switch clockwise one detent to activate dash panel lights.
Turn switch clockwise to second detent to activate forward-facing rear floodlights.
Turn switch clockwise to third detent to activate headlights.
3 Temperature Control Adjust temperature from minimum (full left) to maximum (full right).
4 Fan Speed Switch Turn switch counterclockwise to OFF position. Turn switch clockwise to operate fan at low, medium, high, and max speeds.
To pressurize cab and prevent dust entry when neither heating or cooling is desired, adjust fan speed and temperature to comfortable levels. Do not activate air conditioning.
5 Air Conditioning Switch Push top of switch to activate air conditioning. Turn
Temperature Control switch counterclockwise to close heater valve.
Push bottom of switch to deactivate air conditioning.
To defog windshield, activate air conditioning and adjust fan speed and temperature to decrease moisture level in cab.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Window Wiper and Washer Controls 0004
Figure 16. Window Wiper and Washer Controls. 0004
KEY COMPONENT DESCRIPTION
1 Front Window Wiper/Washer Control For all wiper controls;
Turn control knob clockwise to first detent to turn wipers on LOW speed.
Turn control knob clockwise to second detent to turn wipers on HIGH speed.
Turn knob counterclockwise to turn wipers off.
Push knob to activate washers.
2 Left Door Window Wiper/Washer Con-trol
3 Right Door Window Wiper/Washer Control
4 Rear Window Wiper/Washer Control
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Gauges 0004
Figure 17. Gauges. 0004
KEY COMPONENT DESCRIPTION
1 Engine Coolant Temperature Indicates engine coolant temperature.
Red area indicates coolant temperature too high at 225ºF (107ºC).
2 Torque Converter Oil Temperature Indicates powertrain oil temperature at torque converter outlet.
Red area indicates oil temperature too high at 265ºF (129ºC).
3 Fuel Level Indicates relative amount of fuel in fuel tank.
Red area indicates 10 percent fuel remaining.
4 Hydraulic Oil Temperature Indicates hydraulic oil temperature.
Red area indicates oil temperature too high at 215ºF (102ºC).
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Status Indicators – Upper Panel 0004
Figure 18. Status Indicators – Upper Panel. 0004
KEY COMPONENT DESCRIPTION
1 Parking Brake Illuminates when parking brake is engaged.
2 Hydraulic Lockout Illuminates when hydraulic lockout switch has been activated.
3 Auto Kickdown Illuminates when auto kickdown has been activated.
4 Bidirectional Shift - 2F/1R Illuminates when second gear forward to first gear reverse bidirectional shift setting is enabled.
5 Bidirectional Shift - 2F/2R Illuminates when second gear forward to second gear reverse bidirectional shift setting is enabled.
6 Bidirectional Shift - 1F/2R Illuminates when first gear forward to second gear reverse bidirectional shift setting is enabled.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Alert Indicators, Digital Display Window, and Action Lamp – Upper Panel 0004
Figure 19. Alert Indicators, Digital Display Window, and Action Lamp – Upper Panel. 0004
KEY COMPONENT DESCRIPTION
1 Engine Oil Pressure Illuminates when engine oil pressure is too low. If action lamp also comes on, shut off engine immediately.
2 Charging System Flashes when charging system voltage is too high or too low.
3 Inlet Manifold Temperature Flashes when intake air temperature is too high. If action lamp also flashes, change in machine operation is required.
4 Fuel Level Illuminates when fuel level is at ten percent of total tank capacity.
5 Digital Display Window Displays engine rpm, gear selection and direction of travel, and indication of engine overspeed.
Tachometer will flash continuously, indicating engine
overspeed greater than 2,800 rpm. Additionally, action alarm will sound if engine attains speed over 3,000 rpm.
6 Action Lamp Flashes when other alert indicators illuminate when machine system malfunction occurs.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Alert Indicators, Digital Display Window, and Operator Switch – Lower Panel 0004
Figure 20. Alert Indicators, Digital Display Window, and Operator Switch – Lower Panel. 0004
.
KEY COMPONENT DESCRIPTION
1 Air Filter Restriction Illuminates when air filter restriction exists.
2 Brake System Illuminates when problem exists in brake system.
3 Powertrain Oil Filter Bypass Illuminates when oil flow is bypassing transmission oil filter due to filter restriction.
4 Transmission System Illuminates when problem exists in transmission system.
5 Engine System Illuminates when problem exists in engine system.
6 Implement System Illuminates when problem exists in implement system (dozer blade, ripper, or winch).
7 Operator Switch Press switch briefly to change display mode from Service Meter mode, Travel Distance mode, or Service Code mode.
Also used to stop tachometer flashing when engine overspeed occurs (engine speed greater than 2,800 rpm). Engine speed must be reduced to below 2,600 rpm and button must be pressed before a 30-second timer expires.
8 Digital Display Window Provides information in three modes: Service Meter mode, Travel Distance mode, and Service Code mode.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Auto Kickdown Switch, Auto Shift Switch, and Engine Start Switch 0004
Figure 21. Auto Kickdown Switch, Auto Shift Switch, and Engine Start Switch. 0004
KEY COMPONENT DESCRIPTION
1 Auto Shift Switch Press switch once to enable bidirectional shift mode in First Gear Forward to Second Gear Reverse setting.
Press switch second time to enable Second Gear Forward to Second Gear Reverse setting.
Press switch third time to enable Second Gear Forward to First Gear Reverse setting.
Pressing switch continuously will scroll through all settings, then turn off bidirectional shift mode.
Appropriate indicator on upper display module will illuminate, signifying which setting is active.
2 Auto Kickdown Switch Press auto kickdown switch to enable auto kickdown mode (transmission automatic downshifting) and activate first set point. Auto kickdown indicator illuminates when mode is enabled.
Press switch again to activate second set point.
Press switch again to disable auto kickdown mode. Auto kick-down indicator shuts off when mode is disabled.
3 Engine Start Switch Turn switch clockwise one detent to ON position to activate cab circuits and initiate monitoring system self-diagnostic functional test.
Turn switch clockwise to START position to start engine.
Release switch when engine starts.
Turn switch counterclockwise to OFF position to stop engine and deactivate cab circuits.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Auxiliary Action Lamp 0004
Figure 22. Auxiliary Action Lamp. 0004
KEY COMPONENT DESCRIPTION
1 Auxiliary Action Lamp Flashes when other alert indicators illuminate when machine system malfunction occurs.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Messenger Display 0004
Figure 23. Messenger Display. 0004
KEY COMPONENT DESCRIPTION
1 Messenger Display Provides information on service codes through a SERVICE CODES menu used by Field Maintenance to diagnose machine system malfunction.
2 OK Button Press OK button to enter menu choice.
3 Scroll Buttons Press to scroll left/up or right/down through menus.
4 Return Button Press to return to previous menu.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Engine Compartment Doors 0004
Figure 24. Engine Compartment Doors. 0004
KEY COMPONENT DESCRIPTION
1 Left Engine Compartment Door Provides access to engine for maintenance and repairs.
2 Right Engine Compartment Door Provides access to engine for maintenance and repairs.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
24V NATO Slave Receptacle, Engine Compartment Lamp and Switch 0004
Figure 25. 24V NATO Slave Receptacle, Engine Compartment Lamp and Switch. 0004
KEY COMPONENT DESCRIPTION
1 Primer Pump Manual fuel primer to aid engine starting.
2 Engine Compartment Lamp Switch Activates engine compartment lamp.
3 Engine Compartment Lamp Illuminates engine compartment.
4 24V NATO Slave Receptacle Connection for 24V NATO slave start cable.
5 Fuel Valve, Arctic Heater Manual valve to shut off fuel to arctic heater. Valve shown closed: Turn lever on valve so it is parallel with valve to open.
Turn lever on valve so it is perpendicular to valve to close.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Battery Disconnect Switch 0004
Figure 26. Battery Disconnect Switch. 0004
.
KEY COMPONENT DESCRIPTION
1 Battery Disconnect Switch Disconnects batteries from rest of machine. Includes a mechanical lockout cover to prevent unwanted access to switch.
Insert disconnect switch key and turn switch clockwise to the ON position to activate machine electrical system and enable engine start.
Insert key and turn switch counterclockwise to the OFF position to deactivate machine electrical systems.
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OPERATOR CONTROLS AND INDICATORS – CONTINUED
Winch Hitch Pin 0004
Figure 27. Winch Hitch Pin. 0004
0004
END OF WORK PACKAGE
KEY COMPONENT DESCRIPTION
1 Hitch Pin Secures towed equipment to hitch. Equipped with lanyard with
retention pin to secure pin in place.
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OPERATOR MAINTENANCE
-0 -0 -0 5OPERATION UNDER USUAL CONDITIONS
Scope; Initial Adjustment Before Use; Mounting and Dismounting; Seat, Seat Belt, and Mirror Adjustments; Engine Starting and Machine Warm-Up; Stopping Machine; Stopping Engine; Leaving Machine; Machine Operation–Transmission, Speed, and Steering Controls; Gear Selection; Bulldozer Blade Operation; Winch Operation; Ripper Operation; Lower Digital Display Window; Machine Warning
Summaries
SCOPE 0005
This work package provides instructions on operating the D7R Dozer, Type I with Winch and Type II with Ripper, under usual conditions. Refer to WP 0006 for operating instructions under unusual conditions. Before, during, and after operation, perform applicable Operator Preventive Maintenance Checks and Services (PMCS) (WP 0012).
INITIAL ADJUSTMENT BEFORE USE 0005
Perform all Before Operator PMCS procedures (WP 0012).
Turn battery disconnect switch to ON position (WP 0004).
MOUNTING AND DISMOUNTING 0005
WARNING
• Mount and dismount the machine only at locations with steps and grab handles.
• Clean steps and grab handles prior to mounting machine.
• Face machine during mounting and dismounting.
• Maintain three-point contact (two hands and one foot, or one hand and two feet) at all times.
• Do not mount or dismount a moving machine.
• Do not jump off a moving machine.
• Do not carry tools or supplies when mounting or dismounting machine.
• Do not use any controls as grab handles during mounting or dismounting.
• Failure to follow these warnings may result in injury or death to personnel.
1. Open left door.
2. Enter machine from left side and occupy operator’s seat.
3. Close left door.