D7R Track-Type TractorPower Train Caterpillar

Installation Procedure

Show/hide table

Personal injury can result from performing service on the track roller frame. Refer to Special Instruction, SMHS8273 for inspection and removal procedures before performing any service.

1. Inspect all O-ring seals. Replace any damaged seals. Apply clean oil to the O-rings.

2. Make sure that the O-ring seal is in the correct position on the seal retainer of the pivot shaft.

Show/hide table



Illustration 1	g00835752

Show/hide table

Personal injury or death can result from lifting a heavy assembly. The heavy assembly can fall if using an incorrect hoist to lift the load. Be sure the hoist has the correct capacity to lift a heavy assembly. Approximate weight of the assembly is given below.

Show/hide table

Pinch Point Stay clear of this area! Serious personal injury may occur.

3. Attach chain (1) between the front track roller frame and the rear track roller frame. Attach chain (2) to the rear track roller frame. Attach chain (2) to Tooling (A) and to a suitable lifting device. Install the track roller frame on the pivot shaft.

Show/hide table



Illustration 2	g00823277

4. Place ring (4) against the pivot shaft.

5. Install the O-ring seal on plate (3) . Apply SAE 30W oil to the inside bore of the track roller frame. Place plate (3) on the end of the pivot shaft. Install the twelve bolts.

Show/hide table



Illustration 3	g00831253

Show/hide table



Illustration 4	g00831480

6. Position Tooling (D) under the track roller frame. Use Tooling (D) in order to align the bolt holes in retainer (5) with the holes in the tractor frame.

7. Apply Tooling (H) to the threads of bolts (6) . Install the bolts.

8. Remove the chain and Tooling (A) from the track roller frame.

Show/hide table



Illustration 5	g00831209

9. Use Tooling (D) in order to align the equalizer bar pin with the track roller frame. Apply Tooling (J) to equalizer bar pin (7) . Orient the pin with the small diameter toward the rear of the machine. Use Tooling (E) in order to install equalizer bar pin (7) .

10. Position the retainer plate. Bolt the retainer plate to the equalizer bar pin and to the track roller frame with three bolts.

11. Remove Tooling (D) under the track roller frame.

Show/hide table



Illustration 6	g00831476

Show/hide table



Illustration 7	g00831187

12. Install the seal on plate (8) . Apply SAE 30W oil to the seal and into the bore of the track roller frame. Use Tooling (F) in order to install plate (8) in the track roller frame. Remove Tooling (F) . Move plate (8) to plate (3) with a soft hammer.

13. Install the spacer and bolt (9) in plate (3) .

Show/hide table



Illustration 8	g00831195

14. Place the O-ring seal on plug (10) . Install the plug in plate (8) .

Show/hide table



Illustration 9	g00837577

15. Use a suitable lifting device in order to position trunnion (11) on the track roller frame. Install bolts (12) .

Show/hide table



Illustration 10	g00831200

16. Position Tooling (B) . Raise the rear of the machine, and remove Tooling (C) . Lower the rear of the machine and remove Tooling (B) .

17. Lower the front of the machine.

18. Remove Tooling (G) between the equalizer bar and the tractor frame.

Show/hide table



Illustration 11	g00831207

19. Install drain plug (13) in the pivot shaft.

Show/hide table



Illustration 12	g00832224

20. Remove plug (14) with the gasket. Fill the pivot shaft with SAE 30W oil. Refer to Operation and Maintenance Manual, "Lubricant Viscosities and Refill Capacities". Install plug (14) with the gasket.

21. Fill the oil reservoir in the pivot shaft. Refer to Operation and Maintenance Manual, "Lubricant Viscosities and Refill Capacities".

End By:

1. Connect the track. Refer to Disassembly and Assembly, "Track - Connect".
2. Install the rear bottom guards. Refer to Disassembly and Assembly, "Bottom Guard - Install".
3. Install the bulldozer. Refer to Disassembly and Assembly, "Bulldozer - Install".