951 TRAXCAVATOR Every 2000 Service Hours Or 1 Year Caterpillar


Every 2000 Service Hours Or 1 Year
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1.1. (29)Governor Control Linkage
2.1. (30)Steering Clutch And Brake Pedal Bearings
3.1. (31)Hydraulic Control System - Change Oil and Wash Filler Screen
4.1. (32)Engine Valve Lash - Check - Adjust
5.2. Adjusting Valve Lash

(29)Governor Control Linkage

Lubricate 1 fitting.

(30)Steering Clutch And Brake Pedal Bearings

Lubricate 5 fittings. Lubrication fittings removed on Traxcavators Serial Numbers 86J1810 and up.

(31)Hydraulic Control System - Change Oil and Wash Filler Screen

1. Fully raise and dump bucket.
2. Stop engine. Remove fill cap slowly.

3. Remove drain plug and drain oil.

4. Lower bucket onto a support approximately 54 inches (1370 mm) high, place vertically under the spill plate.

5. Position tilt control in TILT BACK and lift control in LOWER.

6. Lower bucket onto a 13 inch (330 mm) block positioned under the bucket cutting edge.

7. Remove 54 inch (1370 mm) support and lower bucket to the ground.

8. Remove filler screen and wash in clean solvent.
9. Replace cover gasket.
10. Install filler screen.
11. Install new filter elements. (see item 21).
12. Clean and install drain plug.

13. Fill hydraulic tank until oil is visible in sight gauge. (Refill capacity on page 35.)
14. Install filler cap finger tight.

15. Open bleed valve.
16. Start engine and close bleed valve when oil flow is free of air bubbles.

17. Raise the bucket to 1/3 the total lift distance and move tilt control to dump the bucket.

NOTE: Release tilt control when bucket travel stops.

Do not place lift control in FLOAT.

18. Add oil to bring level into sight gauge.

19. Move bucket control to TILT BACK.

20. Open bleed valve.
21. Close bleed valve when oil flow is free from air bubbles.

22. Fully raise bucket, then lower bucket to the ground.
23. Add oil as necessary until oil is visible in sight gauge.

24. Operate engine at high idle. Move controls through the following sequence: RAISE, DUMP, TILT BACK and LOWER. Repeat the procedure several times.
25. Check oil level and bleed the system several times during the first day of operation.

(32)Engine Valve Lash - Check - Adjust

Check and adjust with engine stopped.

1. Remove valve cover.


NOTICE

Turn flywheel slowly to allow installation of bolt ... DO NOT use starting motor.


2. Remove plug.

3. Turn flywheel to close No. 1 exhaust and inlet valves and ...

4. Allow bolt (Part No. L2070) to be installed in flywheel.

5. Check valve lash for No. 1 and No. 3 exhaust valves. Adjust if necessary (See page 27).

6. Check valve lash for No. 1 and No. 2 inlet valves. Adjust if necessary.

7. Remove bolt.

8. Rotate flywheel 360° to close No. 4 exhaust and inlet valves and ...

9. Allow bolt to be installed in flywheel.

10. Check valve lash for No. 2 and No. 4 exhaust valves. Adjust if necessary.

11. Check valve lash for No. 3 and No. 4 inlet valves. Adjust if necessary.

12. Remove bolt from flywheel.

13. Install plug.
14. Start engine.

15. Stop engine and install valve cover. Tighten bolts to 6 - 10 lb. ft. (0,83 - 1.39 mkg) in the following sequence ...

Valve Cover Bolt Tightening Sequence

NOTE: Do not overtighten.

Adjusting Valve Lash

1. Loosen locknut.

2. Turn adjusting screw.

3. Check adjustment.

4. Tighten locknut.

5. Recheck adjustment.

6. Remove bolt.