BRADEN CH SERIES Installation Maintenance And Service Manual page 15

TROUBLE
T "D" C
ROUBLE ONTINUED
P P
REVIOUS AGE
E
The winch runs hot.
PROBABLE CAUSE
F
ROM
3. Be certain hydraulic system tem-
perature is not more than 180
degrees F. Excessive hydraulic
oil temperatures increase motor
internal leakage and reduce
motor performance.
4. Winch line pull rating is based on
1 st layer of wire rope.
5. Rigging and sheaves not operat-
ing efficiently.
1. Same as D1.
2. Be certain that the hydraulic sys-
tem temperature is not more than
180
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 D2.
D. Hydraulic pump not operating effi-
ciently.
3. Excessively worn or damaged
internal winch parts.
degrees F. Excessive
13
REMEDY
B. Apply a stall pull load on the
winch while monitoring pressure.
C. Compare gauge reading to winch
specifications. Adjust relief valve
as required.
NOTE: If pressure does not increase
in proportion to adjustment, relief
valve may be contaminated or
worn out. In either case, the relief
valve may require disassembly or
replacement.
Same as remedies for Trouble D1
& D2.
Same as remedies for Trouble
E2.
Refer to winch performance
charts for additional information.
Perform rigging service as recom-
mended by crane manufacturer.
Same as remedies for Trouble
D1.
Thoroughly clean exterior and
flush interior.
Fill/drain to proper level.
Same as remedies for Trouble
D2.
Prime mover low on horsepower
or R.P.M. Tune/adjust prime
mover.
Check suction line for damage.
If pump is belt driven, belts are
slipping. Replace/tighten belts.
Pump worn. Replace pump.
Disassemble winch to inspect/replace
worn parts.