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 578 of 632

TM 9-2320-279-34-2

Winch Maintenance Instructions (Cont)

16-14.1

HEAVY-DUTY WINCH HYDRAULIC MOTOR (P/N 73077) REPAIR

This task covers:

a. Disassembly

c. Assembly

c. Cleaning/Inspection

d. Follow-on Maintenance

INITIAL SETUP

Models

M984E1

References

None

Test Equipment

None

Equipment Condition

TM or Para

Condition Description

Para 16-13

Heavy-duty winch motor

removed.

Special Tools

None

Special Environmental Conditions

None

Supplies

None

General Safety Instructions

None

Personnel Required

MOS 63W, Heavy wheel vehicle mechanic (2)

Level of Maintenance

General Support

16-54

Change 2

a. Disassembly

NOTE

There are two models of hydraulic motors. Model B is smaller in size but equal in

functional performance and fully interchangeable with Model A. Internal parts are

not interchangeable.

WARNING

Wear safety glasses when removing snap ring. Ring may come off causing personal

injury

NOTE

Do steps

(1)

and

(2)

for Model A. Do steps

(2.1)

through

(2.3)

for Model B.

Keep shims with cover during

disassembly.

(1)

Remove snap ring (1), cover (2), preformed

packing (3), and shims (4) from motor (5).

(2)

Remove seal (6) from cover (2).