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TROUBLE D continued:
THE CAPSTAN WILL NOT LOWER THE LOAD OR
NOT LOWER THE LOAD SMOOTHLY.
PROBABLE CAUSE REMEDY
6. Control valve handle being operated too quickly. Operate control valve smoothly when starting and
stopping a load. Conduct operator training as required.
7. Insufficient gear oil in drive. Remove oil level plug and check oil level. Fill to proper
level.
8. Control valve does not have good metering
characteristics.
See “Drive Installation” section for control valve
specifications.
TROUBLE E:
THE DRIVE RUNS HOT.
PROBABLE CAUSE REMEDY
2. Be certain that the hydraulic system temperature
is not more than 180° F (82° C). Excessive hydraulic
oil temperatures may be caused by:
A. Plugged heat exchanger.
B. Too low or too high oil level in hydraulic
reservoir.
C. Same as A-1.
D. Hydraulic pump not operating efficiently.
Thoroughly clean exterior and flush interior.
Fill/drain to proper level.
Same as remedy for A-1.
Remove and inspect pump.
Check suction line for damage. If pump is belt driven,
belts may be slipping. Replace/tighten belts.
TROUBLE F:
DRIVE “CHATTERS” WHILE RAISING RATED LOAD.
PROBABLE CAUSE REMEDY
1. Same as A-1. Same as remedy for A-1.
2. Same as B-4. Same as remedy for B-4.
3. Excessively worn or damaged internal drive parts. Disassemble drive to inspect/replace worn parts.
2. Same as D-7. Same as remedy for D-7.
3. Hydraulic oil flow to motor may be too low. Increase pump rpm.
4. Same as D-6. Same as remedy for D-6.
1. Same as A-5. Same as remedy for A-5.
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