Winch Reassembly

h. Inspection and Repair.

c. Intermediate Shaft Assembly. Install in-

t e r m e d i a t e shaft with 0.004 inch to 0.007 inch end

( 1 ) Inspect bearings for corrosion, roughness,

play bearings.

a n d wear. Replace corroded, rough, or excessively

worn bearings (para 2-6).

d. Bevel Gear Shaft Assembly.

(2) Inspect all gears for chipped, pitted,

(1) Place all parts into winch case in the same

o r d e r they were removed.

c r a c k e d , or excessively worn teeth. Replace gears

w h i c h are chipped, cracked or excessively worn or

(2) Line up the marked pipe plugs in outer

d i a m e t e r of the retainer plate in

the clutch packs,

pittted. TB-ENG-364 may be used as a guide for

with holes in the bevel gear shaft

splines. (Only one

determining gear replacement.

of the plugs will be correct as

cross hole goes

(3) Inspect housing and covers for cracks,

b r e a k s and other damage. Repair by welding (TM

through one major diameter

and

one

miner

9-237), or replace the part.

diameter of spline).

(4) Inspect clutch disks for scoring, cracks,

( 3 ) Sling the bevel gear shaft.

d a m a g e d teeth, war page, or a burned blue-black

( 4 ) Lower the shaft through side frame, being

appearance.

Replace burned, warped, or ex-

c e r t a i n that the match marks on the shaft line up

cessively worn disks. Replace disks which have:

with the match marks on the clutches. The two

holes in the shaft (for hydraulic oil to the clutches)

( a ) Chipping on the edge of the disk.

shown in figure 3-18 will then line up with the holes

(b) Cracks at the root of any of the teeth.

in the clutch retainer plate. Do not use a hammer to

(c) W o r n t e e t h o n l y w h e n w e a r h a s o b -

viously

changed

tooth

contour.

d r i v e the shaft through the component parts.

(d) Excessive foreign material imbedded in

the face.

3-15. Winch Reassembly

Clutch

Reassembly.

(1) Dish in separator plate must all face same

w a y as a unit. The direction of the unit is unim-

portant.

( 2 ) The forward and reverse clutch packs are

(5) Fix the shaft in place and revolve winch to

i n t e r c h a n g e a b l e but the spiders are not.

upright position.

(3) Never assemble a clutch pack dry. Presoak

( 6 ) Lock the bearings on the end of the shaft

all parts in oil.

that is towards brake compartment with snap rings

( 4 ) Small parts and passages must be free of

provided.

d i r t and foreign matter.

(7) Install the bearing nut on the opposite end

(5) When sliding the clutch piston into the

(torque to 200 ft-lb 25) and lock it with lock-

retainer plate, be certain that the O -rings (9) and

w a s h e r provided. (Always use new lockwasher). Do

(10) are well lubricated

and

are

seated

their

not install metal seal rings on ends of shaft.

r e s p e c t i v e grooves.

( 8 ) Adjust end play to 0.000-0.004 by use of

( 6 ) When assembled, the holes in the clutch

s h i m s under each bearing retainer.

hub will be in line with the oil cooling valve.

(9) Remove bearing retainers and install metal

(7) Blanked out teeth on friction discs ((6), fig.

seal rings on ends of shafts. Be sure these seal rings

3-17) must be in line.

a re n o t b r o k e n o r d a m a g e d

when

reinstalling

(8) Assembled clearance to be from 0.040 inch

b e a r i n g retainers.

to 0.070 inch. U S e s h i m s a s r e q u i r e d .

e. Brake Shaft Assembly.

( 9 ) T o r q u e c a p s c r e w s (1) with 70 ft-lb), set-

(1) Install brake shaft with 0.006 inch to

screws

(12)

with

ft-lb.

0.009 inch end play in bearings.

b. Drum Shaft Assembly.

(2)

Apply

Plastic

Lead

Seal

No.

( 1 ) Check all oil seals and install drum and

e q u i v a l e n t to threads of capscrews holding oil seal

drum shaft.

r e t a i n e r at brake end of shaft.

(2) Add two quarts of HDO 30

oil

drum

f. Power Takeoff Assembly.

c a v i t y before installing rh bearings.

(1) Install the power takeoff shaft. Be sure the

(3) Bolt drum gear to drum torquing the bolts

bevel pinion is in place and snapring properly

140 ft-lb lubed or 225 ft-lb) dry.

installed.

3-13