D4 TRACK-TYPE TRACTOR POWER SHIFT Every 50 Service Hours Or Weekly Caterpillar


Every 50 Service Hours Or Weekly
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1.1. (7)Hydraulic Control
2.1. (8)Tilt Control
3.1. (9)Steering Clutches
4.1. (10)Cylinder Trunnions
5.1. (11)Bulldozer Cylinders
6.1. (12)Tool Bar
7.1. (13)Track Roller Frame
8.1. (14)Ripper
9.1. (15)Track - Screw Adjustment
10.2. Hydraulic Adjustment
11.1. (16)Batteries

(7)Hydraulic Control

Lubricate 2 linkage pivots.

(8)Tilt Control

Lubricate 2 linkage pivots.

(9)Steering Clutches

Remove seat cushion. Lubricate 2 release bearings.

(10)Cylinder Trunnions

Lubricate 1 fitting on each lower trunnion. Total - 2 fittings.

(11)Bulldozer Cylinders

Lubricate 2 fittings at each support. Total - 4 fittings.

(12)Tool Bar

Lubricate 2 fittings on each adjusting screw. Total - 4 fittings.

(13)Track Roller Frame

Lubricate 1 fitting at each inner bearing. Total - 2 fittings.

Lubricate 1 fitting at each outer bearing. Total - 2 fittings.

(14)Ripper

Lubricate 11 fittings.

(15)Track - Screw Adjustment

Check adjustment. Correct adjustment allows 1 to 1.5 inches (25 to 38 mm) sag at this point.


NOTICE

Do not attempt to adjust track if dimension A is or will exceed 6.7 inches (170 mm). Damage to screw could result.


Contact your AVSpare dealer if correct adjustment cannot be obtained.

1. Remove guard. Loosen rod clamp nuts.

2. Turn adjusting nut counterclockwise to tighten track, clockwise to loosen.

3. Drive tractor back and forth. Recheck adjustment and dimension A.
4. Tighten clamp nuts and install guard.

Hydraulic Adjustment

If track is too loose

1. Remove bolt and open valve access cover.

2. To tighten, add multipurpose-type grease at fill valve fitting.


NOTICE

Do not attempt to adjust track if dimension B is or will exceed 5.1 inches (30 mm). Damage to cylinder could result.


Contact your AVSpare dealer if correct adjustment cannot be obtained.

3. Drive tractor back and forth to equalize pressure. Recheck adjustment and dimension B.
4. Close cover and install bolt.

If track is too tight

1. Be sure idler can retract. Loosen relief valve one turn to allow grease to escape.

------ WARNING! ------

Never visually inspect relief valve or fill valve to see if grease is escaping. Always observe track to see if it has loosened.

------WARNING!--------

2. Tighten relief valve when adjustment is correct.
3. Operate tractor back and forth to equalize pressure.
4. Recheck adjustment.

If track did not loosen

1. Remove guard and loosen fill valve one turn. Operate tractor back and forth.

2. Loosen relief valve until it touches guard.
3. Loosen fill valve until it touches guard.

4. Tighten fill and relief valves when adjustment is correct.
5. Install guard.

Contact your AVSpare dealer if correct adjustment cannot be obtained.

(16)Batteries

Maintain electrolyte level to triangles at bottom of filler opening.(1) Keep batteries clean.


(1)At proper charge rate, battery will not require more than 1 ounce (30 cc) of water per cell per week.