TM-9-2320-279-34-2

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 2 OF 3

TM-9-2320-279-34-2 - Page 615 of 632

TM 9-2320-279-34-2

Winch Maintenance Instructions (Cont)

16-18. FAIRLEAD/TENSIONER MOTOR REMOVAL/REPAIR/INSTALLATION (M984E1) (CONT).

(3)

(4)

(5)

(6)

(7)

NOTE

Shorter rollers are in ring. Long rollers are in geroler.

Remove ring (8), two balls (9), eight rollers (10), and preformed packing (11) from body bearing

assembly (12).

Remove outer geroler (13) and seven rollers (14).

Remove retaining ring (15), inner geroler (16), and rotary valve (17) from shaft (18).

Remove shaft (18) from body bearing assembly (12).

Remove dust seal (19), packing retainer (20),

and quad ring (21) from body bearing

assembly (12).

c. Cleaning/Inspection.

WARNING

Adhesives, solvents, and sealing compounds can burn easily, can give off harmful

vapors, and are harmful to skin and clothing. To avoid injury or death, keep away

from open fire and use in well-ventilated area. If adhesive, solvent, or sealing

compound gets on skin or clothing, wash immediately with soap and water.

(1)

Clean all metal parts in dry cleaning solvent.

(2)

Inspect each part for damage.

(3)

Replace damaged parts.

(4)

Coat all parts with lubricating oil.

(5)

If any area of shaft is pitted, grooved or bent, replace shaft and end cover bearing assembly.

(6)

If bushing is worn more than 0.005 in (0.15 mm) out of round replace body bearing assembly.

(7)

If body rollers are worn smaller than 0.370 in, (9.4 mm) replace IGR assembly.

(8)

If geroler rollers are worn smaller than 0.395 in. (9.92 mm) replace IGR assembly.

(9)

If any machined surfaces are grooved or pitted replace.

16-70