Jack Maintenance - Generac Power Systems Magnum MLT4200 Operating Manual

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Check motor brushes periodically and replace when necessary.
Note: Only the motor brushes and brake assembly require periodic replacement.
PREVENTIVE MAINTENANCE SCHEDULE
Maintenance Activity
Check Fasteners
Check Electrical Connections
Clean And Grease Brake Assembly
Check Motor Brushes
Visually Check Winch And Control
MECHANICAL BRAKE
The mechanical brake generates heat when loads are lowered and the wire cable is powered out. Care must be
taken to avoid overheating the mechanical brake.
Whine or chatter associated with a new mechanical brake is normal and typically disappears with use.
Overheating the mechanical brake may result in permanent damage to, or failure of, the brake. Replace any damaged
brake components before resuming use of the winch.

JACK MAINTENANCE

The following procedures should be performed at least annually.
SIDE-WIND MODELS
The internal gearing and bushings of the jack must be kept lubricated. Apply a small amount of automotive
grease to the internal gearing by removing the jack cover, or if equipped, use a needle nose applicator or
standard grease gun on the lubrication point found on the side of the jack near the crank. Rotate the jack
handle to distribute the grease evenly.
A lightweight oil must be applied to the handle unit at both sides of the tube.
If equipped, the axle bolt and nut assembly of the caster wheel must also be lubricated with the same light
weight oil.
TOP-WIND MODELS
Apply a lightweight oil to the screw stem.
Oil
Grease
28
After First
Operation
Grease
Grease
Oil
Oil
Semi-Annually Or
Before Each Use
After Each 25 Hours
Oil
Of Operation
Oil
00243

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Magnum mlt4150Magnum mlt4200ican

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