HERCULES 50K
11
Maintenance 6
Adhering to the following maintenance schedule will keep your winch in top condition and
performing as it should with a minimum of repair.
Weekly
1. Check the oil level and maintain it to the oil level plug. If oil is leaking out, determine location
and repair.
2. Check the pressure relief plug in the gear housing cover. Be sure that it is not plugged.
3. Lubricate cable with light oil.
Monthly
1. Check the winch mounting bolts. If any are missing, replace them and securely tighten any that
are loose. Use grade 5 or better bolts.
2. Inspect the cable. If the cable has become frayed with broken strands, replace immediately.
3. Inspect synthetic rope and follow inspection criteria.
Annually
1. Drain the oil from the winch annually or more often if winch is used frequently.
2. Fill the winch to the oil level plug with clean kerosene. Run the winch a few seconds with no load
in the reel in direction. Drain the kerosene from the winch.
3. Refill the winch to the oil level plug with all-purpose SAE 75W-90 synthetic gear oil.
4. Inspect frame and surrounding structure for cracks or deformation.
TROUBLESHOOTING GUIDE
CONDITIONS
POSSIBLE CAUSE
CORRECTION
OIL LEAKS FROM WINCH
1. SEALS DAMAGED OR WORN
2. TOO MUCH OIL
3. DAMAGED GASKETS
1. REPLACE SEAL
2. DRAIN EXCESS OIL. REFER TO OPERATION
3. REPLACE GASKETS
WINCH RUNS TOO SLOW
1. LOW FLOW RATE
2. HYDRAULIC MOTOR WORN OUT
1. CHECK FLOW RATE. REFER TO HYDRAULIC
SYSTEMS PERFORMANCE CHART PAGE 2.
2. REPLACE MOTOR
CABLE DRUM WILL NOT
FREE-SPOOL
1. CLUTCH NOT DISENGAGED
1. CHECK AIR PRESSURE TO CLUTCH
CYLINDER: 100PSI MINIMUM REQUIRED.
REFER TO PAGE 15 FOR PORT LOCATION.
BRAKE WILL NOT RELEASE 1. BRAKE LINE DISCONNECTED
OR BLOCKED
1. CHECK BRAKE FUNCTION
