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TM 10-3930-659-20
4-2.
EXPLANATIONS OF COLUMNS.
The columns in Tables 4-1, 4-2, and 4-3 are defined as follows:
(1)
MALFUNCTION. A visual or operational indication that something is wrong with the forklift truck.
(2)
TEST OR INSPECTION. A procedure to isolate the problem in a component or system.
(3)
CORRECTIVE ACTION. A procedure to correct the problem.
4-3.
TROUBLESHOOTING SYMPTOM INDEX.
Troubleshooting
Procedure
Page
MECHANICAL TROUBLESHOOTING
AXLE
Differential:
Noise, Excessive ..........................................................................................................................
4-17
Overfilled With Hydraulic Fluid .....................................................................................................
4-17
Hydraulic Fluid Overfilled in Differential ....................................................................................................
4-17
Noise, Excessive:
Axle .............................................................................................................................................
4-17
Differential....................................................................................................................................
4-17
BRAKES
Brakedrum Overheats, Parking Brake .......................................................................................................
4-19
Chatter......................................................................................................................................................
4-18
Drag..........................................................................................................................................................
4-18
Hissing Noise With Brake Pedal Depressed and Engine Stopped..............................................................
4-18
Nonexistent .............................................................................................................................................
4-17
Parking Brake:
Brakedrum Overheats...................................................................................................................
4-19
Indicator Light Will Not Light When Parking Brake is Applied .......................................................
4-20
Will Not:
Apply.....................................................................................................................................
4-20
Hold ......................................................................................................................................
4-19
Poor ..........................................................................................................................................................
4-17
Pressure Warning Light Remains Lit .........................................................................................................
4-19
COOLING SYSTEM
Engine:
Overheats.....................................................................................................................................
4-14
Runs Cold.....................................................................................................................................
4-15
4-2
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