Ramsey Winch HDG-350 RAM LOK User Manual

Page 7

SERVICING OF THE OIL COOLED BRAKE

1. Back off the lock nut, then the adjusting screw, both two turns or
more by turning them counter-clockwise.

2. Remove the cover mounting screws.

3. Remove the cover along with coil spring and leaf spring.

4. Remove the retainer plate, composition brake disc, cam plate
and balls.

5. Inspect parts as follows:

a. Composition brake discs are 1/8" thick when new. Replace if
thinner than 0.080” or if surfaces are glazed or burnt.

b. Inspect the flat, ground surface of the cam plate and retainer

plate for glazing, warpage, or other damage. Glazing can be
removed by scraping carefully.

c. Inspect the leaf spring. It should be bowed 1/8".

TROUBLE SHOOTING GUIDE

CONDITION

POSSIBLE CAUSE

CORRECTION

Clutch inoperative 1. Dry or rusted shaft. 1. Clean and lubricate.
or binds up. 2. Bent yoke or linkage. 2. Replace yoke or shaft
assembly.
3. Clutch jaws are in contact. 3. See Techniques of
Operation

Oil leaks from 1. Seal damaged or worn. 1. Replace seal.
housing 2. Too much oil. 2. Drain excess oil. Refer to
Techniques of Operation.
3. Damaged gasket. 3. Replace gasket.

Winch runs too slow 1. Hydraulic motor worn out. 1. Replace motor.
2. Low flow rate. 2. Check flow rate. Refer to
Hydraulic Systems flow
chart, page 4.

Cable Birdnests when 1. Drag brake disc worn. 1. Replace discs.
clutch is disengaged.

Hydraulic fluid leaks 1. Hydraulic motor shaft seal 1. Replace seal.
out hole in motor damaged.
adapter.

INSTRUCTIONS FOR OVERHAUL OF HDG-350

DIS-ASSEMBLY

1. Drain oil from gear housing by removing

plug #38 from bottom of gear housing.
Remove plugs #35 & #37 from top of
gear housing. Remove handle #10 by
driving pin #39 from shifter shaft of
winch. Remove angles #3 & #4 from
winch by

removing hardware shown.