CAB TILT HYDRAULIC SYSTEM TROUBLESHOOTING

TM 9-2320-285-24-2

3-41. CAB TILT HYDRAULIC SYSTEM TROUBLESHOOTING

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. CAB WON'T RAISE TO 45 DEGREES

Check if cab tilt hydraulic pump operates and hydraulic latches release.

a. If cab tilt hydraulic pump operates and hydraulic latches release, hydraulic cylinder is defective; repair

b. If cab tilt hydraulic pump does not operate, repair or replace (para 3-43a).

c. If hydraulic latches do not release, , replace (para 3-43c).

2. CAB WON'T LOWER OR STOPS PART WAY DOWN

Repair or replace cab tilt hydraulic pump relief valve (para 3-43a).

3. HYDRAULIC LATCHES OR HYDRAULIC CYLINDER LEAK FLUID

Replace a defective hydraulic latch (para 3-43c); repair or replace defective hydraulic cylinder (para 3-43b).

4. HYDRAULIC PUMP LEAKS FLUID AT FILLER PLUG OR VENT

Check if fluid level is too high.

a. If fluid level is too high, remove reservoir (para 2-79a) and pour off excess fluid (dispose of used fluid

properly).

b. If fluid level is correct, purge cab tilt hydraulic system (para 3-43b).

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