5
CONDITIONS
POSSIBLE CAUSE
CORRECTION/ACTION
DRUM WILL NOT
ROTATE AT NO LOAD
Winch not mounted squarely, causing end
bearing to bind up
Check mounting. Refer to Winch Mounting,
page 4.
Gears damaged
Inspect and replace damaged gears
DRUM WILL NOT
ROTATE UNDER
LOAD
Winch not mounted squarely, causing end
bearing to bind up
Check mounting. Refer to Winch Mounting,
page 4.
Load greater than rated capacity of winch
Refer to Specifications page 3 for line pull
rating.
Low hydraulic system pressure
Check pressure. Refer to Hydraulic Systems
performance charts page 6.
WINCH RUNS TOO
SLOW
Low hydraulic system flow rate
Check flow rate. Refer to Systerm
Requirements and Typical Layout page 6.
Motor worn out
Replace motor
DRUM WILL NOT
FREESPOOL
Clutch not disengaged. Check Adjustment of
Manual Shifter, page 9.
Check Operation, page 5.
Winch not mounted squarely, causing end
bearing to bind up
Check mounting. Refer to Winch Mounting,
page 4.
Side mounted bolts too long, causing binding
of ring gear (Item #15, page 14).
Check bolt length. Bolt thread MUST NOT
engage threaded holes in sides of end
bearing more than the 12,7 mm (.50 in)
thread depth in the end bearing.
BRAKE WILL NOT
HOLD
Incorrect directional control valve (cylinder
spool-closed center)
Use only a motor spool (open center) control
valve.
LOAD DRIFTS
Excessive Backpressure 6,9 bar (100 PSI)
Max.
Check for restrictions in hydraulic system.
Refer to System Requirements and Typical
Layout page 6.
ROPE BIRDNESTS
WHEN CLUTCH IS
DISENGAGED
Drag screw improperly adjusted
Adjust nylon drag screw. Refer to Rope
Installation, page 4.
EXCESSIVE NOISE
Hydraulic system flow too high
Check flow rate. Refer to Typical Layout page
6.
Drum in bind, winch not mounted squarely
Check mounting. Refer to Winch Mounting,
page 4.
DRUM CHATTERS IN
“REEL IN” DIRECTION
Low hydraulic system flow rate
Check flow rate. Refer to Typical Layout page
6.
Low hydraulic system relief pressure setting
Check relief valve setting.
OIL LEAKS FROM
BREATHER VENT
UNDER MOTOR END
BEARING
Damaged brake o-rings, backup rings, or
sealing surfaces
Disassemble brake and inspect. See
Overhaul Instructions, pg. 8.
TROUBLESHOOTING GUIDE
Summary of Contents for HD-P 42
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