1. Product: TRACK-TYPE TRACTOR
Model: D6M TRACK-TYPE TRACTOR 6LR
Configuration: D6M Track-Type Tractor XL Power Shift 6LR00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
D6M Track-Type Tractor Power Train
Media Number -SENR8387-06 Publication Date -01/11/2010 Date Updated -31/07/2018
i04026196
Final Drive - Disassemble
SMCS - 4050-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 3
B 1P-0510 Driver Group 1
C
1P-0520 Driver Group 1
4C-4865 Hand Hydraulic Pump 1
FT-1934 Beam 1
6V-3160 Hydraulic Cylinder 1
5F-7353 Washer 4
- Bolt (20 mm by 200 mm) 4
D 138-7574 Link Bracket 3
Start By:
a. Remove the final drives. Refer to Disassembly and Assembly, "Final Drive - Remove".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of
the component should be thoroughly cleaned. This will help to prevent dirt from entering
the internal mechanism. Dirt and contaminants can damage the precision components. All
Disassembly and Assembly procedures must be performed on a clean work surface. Clean
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2. all the interior components in clean solvent. Dry all the interior components with
compressed air. Plug ports and plug hoses on the machine during repair.
Illustration 1 g02210755
1. Remove the bolts that hold carrier (1) to the hub.
2. Attach a suitable lifting device and Tooling (A) to carrier (1). Remove the carrier. The
weight of the carrier is approximately 98 kg (215 lb). Remove the O-ring seal from the
carrier.
Illustration 2 g00743498
3. Remove bolts (2) and retainers (3).
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3. Illustration 3 g00743501
Illustration 4 g00743502
4. Use a suitable press and Tooling (B) in order to push shafts (4) out of carrier (1).
5. Remove gear (7) and bearing cones (5) and (8) from the carrier.
6. If necessary, remove bearing cups (6) from gear (7).
Illustration 5 g00743503
7. Remove bolts (9) and retainer (10).
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4. Illustration 6 g02210775
8. Attach a suitable lifting device to hub (12). Remove the hub and gear (11) as an assembly.
The weight of the gear and the hub is approximately 34 kg (75 lb).
Illustration 7 g02210777
9. Remove ring (13) and hub (12) from gear (11).
Illustration 8 g02210778
Note: Do not lift the hub too high. The hub must not contact the fittings on the hydraulic
cylinder.
10. Install Tooling (C), as shown.
11. Raise the temperature of bearing cone (14) to a maximum temperature of 120°C (248°F).
Use Tooling (C) to remove bearing cone (14) from the spindle.
12. Remove Tooling (C) and the bearing cone.
13. Attach a suitable lifting device and Tooling (D) to hub (15). Remove the hub from spindle
(16). The weight of the hub is approximately 159 kg (350 lb).
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5. Illustration 9 g02210855
14. Remove Duo-Cone seal (17) from the hub.
15. If necessary, remove bearing cups (18) from the hub.
Illustration 10 g02210858
16. Remove Duo-Cone seal (20) and seal (19) from spindle (16).
17. Remove bearing cone (21) from the spindle.
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6. Product: TRACK-TYPE TRACTOR
Model: D6M TRACK-TYPE TRACTOR 6LR
Configuration: D6M Track-Type Tractor XL Power Shift 6LR00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
D6M Track-Type Tractor Power Train
Media Number -SENR8387-06 Publication Date -01/11/2010 Date Updated -31/07/2018
i04026199
Final Drive - Assemble
SMCS - 4050-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 3
B 1P-0510 Driver Gp 1
D 138-7574 Link Bracket 3
E 1P-0520 Driver Gp 1
F 8T-5289 Spacer 1
G
1U-6436
or
1U-6437
Duo-Cone Seal Installer As 1
H 1U-6396 O-Ring Assembly Compound -
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly
cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be
used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect
all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other
contaminants can damage the precision components. All disassembly and all assembly
procedures must be performed on a clean work surface and in a clean area. Keep cleaned
parts covered and protected at all times.
Note: O-ring seals, gaskets, and seals should always be replaced. A used O-ring may not
have the same sealing properties as a new O-ring seal. A reconditioning procedure should
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7. not be degraded because of a low-cost component such as an O-ring seal or a gasket. Use
Tooling (H) during the assembly procedure.
Illustration 1 g02213653
1. Use Tooling (E) in order to install seal (19) in spindle (16). The lip of the seal must face
upward, as shown.
Note: Make sure that the lip of seal (19) is not damaged during the installation of the axle.
2. Raise the temperature of bearing cone (21) to a maximum temperature of 120°C (248°F)
and install bearing cone (21) on spindle (16).
Note: Before installing any of the Duo-Cone seals, refer to Disassembly and Assembly,
"Duo-Cone Floating Seals - Install".
3. Use Tooling (G) in order to install the Duo-Cone seal on spindle (16).
Illustration 2 g02210855
4. Lower the temperature of bearing cups (18) and install bearing cups (18) in the hub.
5. Use Tooling (G) in order to install Duo-Cone seal (17) in the hub.
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8. Illustration 3 g02213733
6. Attach Tooling (D) and a suitable lifting device to hub (15). The weight of the hub is
approximately 159 kg (350 lb). Lower hub (15) into position on spindle (16).
7. Raise the temperature of bearing cone (14) to a maximum temperature of 120°C (248°F)
and install bearing cone (14) on spindle (16).
Illustration 4 g02213813
Note: If Tooling (F) is not available or does not fit the spindle, skip to Step 10. Use hub
(12) to press bearing cone (14) into position. Press hub (12) until the surface of hub (12) is
even with the surface on the spindle.
8. While bearing cone (14) is still hot, position Tooling (F) and install retainer (10) and bolts
(9). Tighten bolts (9) to a torque of 135 ± 15 N·m (100 ± 11 lb ft).
9. After bearing cone (14) has cooled, remove retainer (10) and Tooling (F).
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9. Illustration 5 g02210777
10. Position hub (12) in gear (11) and install ring (13).
Illustration 6 g02210775
11. Attach a suitable lifting device to hub (12). The weight of the gear and the hub is
approximately 34 kg (75 lb). Install hub (12) and gear (11) on the spindle.
Illustration 7 g00743601
12. Install retainer (10) and bolts (9). Tighten bolts (9) to a torque of 135 ± 15 N·m
(100 ± 11 lb ft).
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10. 13. Use a feeler gauge in order to verify that there is metal to metal contact between retainer
(10) and the spindle.
Illustration 8 g00743602
Illustration 9 g00743604
14. If bearing cups (6) were removed from gear (7), lower the temperature of bearing cups (6)
and install bearing cups (6) in gear (7).
15. Install bearing cones (5) and (8) in gear (7).
16. Position the bearing cones and gear (7) in carrier (1). Lower the temperature of shaft (4).
Use a suitable press in order to install shaft (4) in the carrier. Install shaft (4) until the end of
shaft (4) is even with the outer surface of carrier (1).
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11. Illustration 10 g00743605
17. Install retainers (3) and bolts (2). There must be metal to metal contact between retainers (3)
and the shafts.
Illustration 11 g02210755
18. Position the O-ring seal on carrier (1).
19. Attach Tooling (A) and a suitable lifting device to carrier (1). The weight of the carrier is
approximately 98 kg (215 lb). Position carrier (1) on the hub assembly and install the bolts
that hold carrier (1) in place.
End By:
a. Install the final drives. Refer to Disassembly and Assembly, "Final Drive - Install".
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12. Product: TRACK-TYPE TRACTOR
Model: D6M TRACK-TYPE TRACTOR 6LR
Configuration: D6M Track-Type Tractor XL Power Shift 6LR00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
D6M Track-Type Tractor Power Train
Media Number -SENR8387-06 Publication Date -01/11/2010 Date Updated -31/07/2018
i00963997
Final Drive - Install
SMCS - 4050-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
8T-3207 Lifting Bracket 1
5P-8622 Shackle 1
6V-9667 Bolt 2
9S-9076 Spacer 2
Illustration 1 g00743487
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13. Note: O-rings, gaskets, and seals should always be replaced. A used O-ring may not have
the same sealing properties as a new O-ring. A reconditioning procedure should not be
degraded because of a low cost component such as an O-ring or a gasket. Use 1U-6396 O-
Ring Assembly Compound during the assembly procedure.
1. Put O-ring seal (8) in position on the housing.
Illustration 2 g00743488
Illustration 3 g00743489
2. Fasten a suitable lifting device and Tooling (A) to final drive (5).
3. Put the final drive in position on the housing and install bolts (4) and (6).
4. Remove Tooling (A) from the final drive.
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14. Illustration 4 g00745347
5. Install two bolts (2).
6. Install sprocket segment (1). Torque the bolts to 175 ± 40 N·m (130.0 ± 30.0 lb ft). Torque
the bolts again to 380 N·m (280.0 lb ft).
Note: Refer to Operation and Maintenance Manual, "Lubricant Viscosities and Refill
Capacities" for all fluid capacities and the proper filling procedures.
7. Fill the final drive with oil to the correct level.
End By:
a. Install the axles. Refer to Disassembly and Assembly, "Axle - Remove and Install".
b. Connect the tracks. Refer to Disassembly and Assembly, "Track - Connect".
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15. Product: TRACK-TYPE TRACTOR
Model: D6M TRACK-TYPE TRACTOR 6LR
Configuration: D6M Track-Type Tractor XL Power Shift 6LR00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
D6M Track-Type Tractor Power Train
Media Number -SENR8387-06 Publication Date -01/11/2010 Date Updated -31/07/2018
i00964194
Steering Clutch and Brake - Remove
SMCS - 4100-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
8T-3207 Lifting Bracket 1
5P-8622 Shackle 1
6V-9667 Bolt 2
9S-9076 Spacer 2
Start By:
a. Separate the tracks. Refer to Disassembly and Assembly, "Track - Separate".
b. Remove the axles. Refer to Disassembly and Assembly, "Axle - Remove and Install".
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
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16. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1. Drain the oil from the final drive.
Illustration 1 g00745347
2. Turn the final drive until sprocket segment (1) is above the pivot shaft housing. Remove the
bolts and sprocket segment (1).
3. Remove two bolts (2) from the top of the final drive.
Illustration 2 g00747077
4. Adjust bracket (3) on Tooling (A) until the bracket is against the stop on Tooling (A).
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17. Illustration 3 g00743489
Illustration 4 g00743488
5. Fasten Tooling (A) to final drive (5). Fasten a suitable lifting device to Tooling (A).
Note: Do not remove bolts (6) that hold the steering clutch and brake assembly to the final
drive.
6. Remove bolts (4) and (7). Remove the final drive and steering clutch assembly. The weight
of the final drive and steering clutch and brake is 544 kg (1200 lb).
Illustration 5 g00747076
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18. 7. Remove O-ring seals (8) and (9) from the housing.
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19. Product: TRACK-TYPE TRACTOR
Model: D6M TRACK-TYPE TRACTOR 6LR
Configuration: D6M Track-Type Tractor XL Power Shift 6LR00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
D6M Track-Type Tractor Power Train
Media Number -SENR8387-06 Publication Date -01/11/2010 Date Updated -31/07/2018
i00964182
Steering Clutch and Brake - Disassemble
SMCS - 4100-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 3
Start By:
a. Separate the final drive, steering clutches and brakes. Refer to Disassembly and Assembly,
"Final Drive, Steering Clutch, and Brakes - Separate".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism. Dirt and contaminants can damage the precision components. All disassembly and
assembly procedures must be performed on a clean work surface. Clean all the interior
components in clean solvent. Dry all the interior components with compressed air. Plug ports and
plug hoses on the machine during repair.
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21. Illustration 4 g00746869
4. Remove clutch plates (5) and friction discs (6) from hub assembly (7).
Illustration 5 g00746870
Illustration 6 g00746872
5. Remove piston (8) from hub assembly (7).
6. Remove sleeve bearing (9).
7. Remove seals (10) and (11) from piston (8).
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22. Illustration 7 g00746873
8. Turn over the brake assembly.
9. Remove ring (12) from hub assembly (7).
Illustration 8 g00746874
10. Fasten a suitable lifting device and Tooling (A) to housing (13), and remove the brake
assembly from hub assembly (7). The weight of the brake assembly is 86 kg (190.0 lb).
Illustration 9 g00746875
11. Remove bearing (14) from housing (13).
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23. Illustration 10 g00746876
12. Remove three rings (15) from hub assembly (7).
13. Remove bearing (16) from hub assembly.
Illustration 11 g00746877
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
Note: Bolts (19) hold a spring under compression behind the piston. It is important to
remove bolts (17) before removing bolts (19).
14. Remove bolts (17) and plate (18) from housing (13).
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24. Illustration 12 g00746878
15. Remove brake plates (20) and friction discs (21) from the housing.
Illustration 13 g00746879
Note: Bolts (19) hold a spring under compression. Loosen bolts (19) slowly and loosen
bolts (19) evenly.
16. Remove bolts (19) and the manifold assembly (22) from housing (13).
Illustration 14 g00746880
17. Remove seals (23) and (24) from manifold assembly (22).
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25. Illustration 15 g00746881
18. Remove piston (25) from housing (13).
Illustration 16 g00746882
19. Remove springs (26) from housing (13).
Note: Note the direction of spring (26) before removing.
20. Remove O-ring seal (27) and (28).
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26. Product: TRACK-TYPE TRACTOR
Model: D6M TRACK-TYPE TRACTOR 6LR
Configuration: D6M Track-Type Tractor XL Power Shift 6LR00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
D6M Track-Type Tractor Power Train
Media Number -SENR8387-06 Publication Date -01/11/2010 Date Updated -31/07/2018
i00964177
Steering Clutch and Brake - Assemble
SMCS - 4100-016
Assembly Procedure
Table 1
Required Tools
Tool Part number Part Description Qty
A 138-7575 Link Bracket 3
B 1P-510 Driver Group 1
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned
in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts.
Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are
worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the
precision components. All disassembly and all assembly procedures must be performed on a clean
work surface and in a clean area. Keep cleaned parts covered and protected at all times.
Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
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27. Illustration 1 g00746882
1. Install springs (26) in housing (13).
Note: O-rings, gaskets, and seals should always be replaced. A used O-ring may not have
the same sealing properties as a new O-ring. A reconditioning procedure should not be
degraded because of a low cost component such as an O-ring or a gasket. Use 1U-6396 O-
Ring Assembly Compound during the assembly procedure.
2. Install O-ring seals (27) and (28).
Illustration 2 g00746973
3. Put piston (25) in position in housing (13).
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28. Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
29. Illustration 3 g00746880
4. Install seals (23) and (24) on manifold assembly (22). Put clean oil on the lip of the seals.
Illustration 4 g00746879
5. Align the oil holes in manifold assembly (22) with the holes in housing (13). Install the
manifold assembly and bolts (19).
Illustration 5 g00746977
This is the correct method in order to make new seal rings ready for installation.
Illustration 6 g00746979
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