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TM 10-3930-669-10
Table 3-2. Operator Troubleshooting Procedures - CONT.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
STEERING SYSTEM
1.
STEERING IS DIFFICULT OR DOES NOT RESPOND.
Check hydraulic oil level (Para 3-9).
If hydraulic oil level is low, add oil (Para 3-9).
If hydraulic oil level is OK, notify Unit Maintenance.
2.
FORKLIFT SHIMMIES, WANDERS, OR PULLS TO ONE SIDE.
Check hydraulic steering cylinder for leakage and damage.
If steering cylinder is leaking or damaged, steering cylinder is faulty. Notify Unit
Maintenance.
If steering cylinder is OK, notify Unit Maintenance.
HYDRAULIC SYSTEM
1.
MAST DOES NOT OPERATE.
Check hydraulic oil level (Para 3-9).
If hydraulic oil level is low, add oil (Para 3-9).
If hydraulic oil level is OK, notify Unit Maintenance.
2.
MAST DOES NOT PIVOT.
Step 1. Check mast tilt operation.
If mast will not tilt, tilt and pivot control valve is faulty. Notify Unit
Maintenance.
If mast tilts, go to step 2.
Step 2. Inspect hydraulic pivot cylinder.
If pivot cylinder is damaged, notify Unit Maintenance.
If pivot cylinder is OK, go to step 3.
3-10
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