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Refer to the engineering drawings to install the TDS.1. Change out the swivel bail pins with the longer ones supplied (Figure 3). A welder may be required to weld in the pin retainers, depending on the manufacturer of the swivel.
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Unless a new or recently-overhauled swivel is used, the old bail pins may need to be machined out.2. Install the nipple and female union sub for the S-tube onto the swivel gooseneck.
3. Hang the swivel from the hook or block and makeup the main shaft to the swivel stem using a thread compound of 60% lead by weight (Refer to the IBOP Service Manual included as a separate book in this manual for torque specifications).
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Generally, a swivel saver sub is not used unless a crossover sub is required.The connection on the main shaft is 7-5/8 API regular left hand.
The bail bumper on the swivel faces the guide rails. On some swivel/rail setback combinations, the bumper side ears may require trimming to clear the motor guide dolly.
4. Loosely install the bearing shield around the flange on the main shaft with the T-bolt clamp supplied. After the main shaft is stabbed into the quill shaft, adjust the shield and tighten the clamp.
September 16, 1996
TDS-4H Installation and commissioning 17
5. Use the four lift slings from the crane, one attached at each corner of the guide dolly, to lift the top drive motor and dolly assembly onto the rig floor. If possible, set it on the rig floor with the crane - do not drag it up the V-door. Position it on the rotary table with the swivel end under the guide rails. The slings must be a minimum of 15' long (equal length) and capable of lifting 40,000 lb combined. (BOP lift slings are usually adequate.)
Figure 3. Swivel assembly
September 16, 1996
6. Attach lifting slings to the pad eyes located at the swivel end of the motor frame and lift the TDS into the guide rails.
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On some configurations it may be necessary to remove the upper roller brackets from the dolly to allow the unit to engage the guide rails.7. Once the TDS is fully engaged on the guide rails, install the stops at the bottom of the guide rails and lower the TDS onto the stops.
8. Apply a liberal amount of grease to the main shaft from 6"
below the splines up to the top flange. Also grease the top and bottom 18"of the quill shaft I.D. Pack both the main shaft and bull gear splines flush with grease. Check the O-ring in the groove located 12" inside the quill shaft to be sure it is greased and located properly.
9. Spread apart the swivel links and stab the swivel/main shaft through the quill shaft with care, until the drive splines are fully engaged. Slide the swivel links onto the extended bail pins and install the retainers with the bolts, lockwashers and safety wire supplied.
10. Slide the link adapter onto the main shaft and support it up against the rotating head with adequate rigging and an air winch. Be certain that the link tilt mounting bosses are opposite from the torque wrench mounting clevis on the rotating head.
11. Slide the landing collar retainer onto the drive stem as shown in Figure 4. Install the O-ring in the uppermost groove on the stem. Load the O-ring and remaining grooves with a
waterproof grease. Place the split landing collar around the grooves of the drive stem, and drive in the remaining roll pin.
Grease the O.D. liberally, and slide the retainer down, covering the split landing collar. Use a hammer and drift to bend all 32 tabs on the retainer to secure the split landing collar. Wipe off excess grease.
12. Use the pipehandler to tighten the connection between the lower IBOP/saver sub assembly to the upper IBOP.
September 16, 1996
TDS-4H Installation and commissioning 19
Drive Stem Landing
Collar Retainer
Landing Collar Retainer Tabs
Safety Link (4) Roll Pin (4)
Split Landing Collar (2) O-Ring
Figure 4. Landing collar installation
September 16, 1996
13. Pull up on the release handle and unlock the rotating head.
Rotate the link adapter and the rotating head so that the mounting point for the torque wrench is at the front of the tool. Raise the torque wrench with the air winch and pin into place. Adjust hanging position per the procedure described in Book 4. Rotate the pipehandler assembly to the rear and connect the two air hoses and two hydraulic hoses. Quick disconnects on the hoses allow connection in only one way so that the hoses cannot be interchanged.
14. Connect the hose to the back of the link tilt actuator. Use the four bolts, lockwashers and safety wire provided to install the link tilt acutator to the link adapter. Connect the opposite end of the hose to the quick disconnect on the rotating head assembly.
15. Install the elevator links and drill pipe elevator. Attach the link tilt clamps to the bails (U-bolts on the inside). Allow for 1/2" slack in the chains.
16. Install the counterbalance system as follows (Figure 5):
a. Install pear links to ears on hook-block.
b. With the hook supporting the top drive, measure distance from bottom of pear link to top of mounting lug on swivel link (Dimension A).
c. Subtract 37 1/4" from dimension A.
d. Cut chain to the length obtained in step c (measure inside chain links per illustration). The tolerance is: +3 1/4"/-0".
e. Assemble remaining components and install per the illustration.
September 16, 1996
TDS-4H Installation and commissioning 21
Figure 5. Counterbalance system
September 16, 1996
17. Attach the service loops to the bracket on the top drive frame.
Use the cable clamps provided on the motor frame to route the electrical cables over the gear box and into the junction boxes. The front guard swings aside for access to the junction boxes by removing the attachment bolts on one side.
Use the electrical schematic (refer to the engineering
drawings) to make the connections. Be certain that the cables are securely tied or clamped to the structure along their length. Route the hoses to the bulkhead and plug in the quick disconnects. Follow the stamped code numbers to confirm each type and identify spares.
18. Attach the S-tube to the swivel gooseneck and the side of the motor frame as follows (Figure 6):
a. Makeup the upper union just before clamping S-tube to side of motor frame.
b. Install the drill pipe rubber onto the S-tube aligned with mounting saddle on the frame.
c. Attach the mud hose to the bottom connection of S-tube.
d. Position 15° S-tube elbow on bottom of S-tube to adjust the hanging direction of mud hose.
September 16, 1996
TDS-4H Installation and commissioning 23
Figure 6. S-Tube installation
August 22, 1997
Rig-up procedure
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Refer to the engineering drawings to install the TDS.1. Using four lift slings from the crane, one attached at each corner of the guide dolly, lift the TDS motor and dolly assembly to the V-door.
2. Attach the lifting slings from the hook or block to the pad eyes located at the swivel end of the motor support bonnet and lift the TDS into the guide rails. The slings must be a minimum of 15' long (equal length) and capable of lifting 40,000 lb combined. (BOP stack lift slings are usually adequate.)
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On some configurations it may be necessary to remove the upper roller brackets from the dolly to allow the unit to engage the guide rails.3. Once the TDS is fully engaged on the guide rails, install the stops at the bottom of the guide rails and lower the TDS onto the stops.
4. Slide the link adapter onto the drive stem and support it up against the rotating head with adequate rigging and an air winch. Be certain that the link tilt mounting bosses are opposite from the torque wrench mounting clevis on the rotating head.
5. Slide the landing collar retainer onto the drive stem as shown in Figure 5. Install the O-ring in the uppermost groove on the stem. Load the O-ring and remaining grooves with a
waterproof grease. Place the split landing collar around the grooves of the drive stem. Grease the O.D. liberally, and slide the retainer down, covering the split landing collar. Use a hammer and drift to bend all 32 tabs on the retainer to secure the split landing collar. Wipe off excess grease.
6. Use the installation procedure in the IBOP Service Manual (included as a separate book in this manual) to install the pipehandler assembly.
7. Use the pipehandler to tighten the connection between the lower IBOP/saver sub assembly to the upper IBOP.
TDS-4S Installation 17 Drive
Stem Landing
Collar Retainer
Landing Collar Retainer Tabs
Split Landing Collar (2)
O-Ring
Figure 5. Landing collar installation
August 22, 1997
8. Connect the hose to the back of the link tilt actuator. Use the four bolts, lock washers and safety wire provided to install this assembly to the link adapter. Connect the opposite end of the hose to the quick disconnect on the rotating head assembly.
9. Install the elevator links and drill pipe elevator. Attach the link tilt clamps to the bails (U-bolts on the inside). There should be about 1/2 inch slack in the chains.
10. Install the counterbalance system as illustrated in Figure 6.
When using chain, use the following procedure to determine the chain length required:
a. Install pear links to ears on hook-block.
b. With the hook supporting the TDS, measure the distance from the point of contact inside the pear link to the top of the mounting lug on the integrated swivel bail.
c. Subtract 37 1/4" from the measurement in step b.
d. Cut the chain to the length obtained in step c. The tolerance is: +3-1/4" or -0".
e. Assemble remaining components and install per Figure 6.
Pear Link
TDS-4S Installation 19
11. Attach the service loops to the bracket on the TDS dolly frame. Using the cable clamps provided on the motor support bonnet, route the electrical cables over the gear box and into the junction boxes. The front guard folds down for access to the junction boxes.
Use the electrical schematic (refer to the engineering
drawings) to make the connections. Be certain that the cables are securely tied or clamped to the structure along their length. Route the hoses to the bulkhead and plug in the quick disconnects. Follow the stamped code numbers to confirm each type, and identify spares.
12. Attach the S-tube to the swivel gooseneck and the side of the motor frame as follows:
a. Make up the upper union just before clamping the S-tube to the side of the motor frame.
b. Install the drill pipe rubber onto the S-tube aligned with the mounting saddle on the frame.
c. Attach the mud hose to the bottom connection of the S-tube.
d. Position the 20° S-tube elbow on the bottom of the S-tube to adjust the hanging direction of mud hose.
13. Remove the exhaust duct shipping cover from the spark arrestors on the air exhaust duct at each side of the DC motor. Save the covers for use during future shipping or storage.
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Never operate the top drive with the exhaust duct covers attached to the spark arrestors on the air exhaust ducts. Doing so severely restricts air flow through the motor, causingoverheating and potential damage. They can also fall off during operation and injure personnel working below. Attach the covers only during shipping and storage.
August 22, 1997