TM-9-2320-279-34-3

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

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

TM-9-2320-279-34-3 - Page 405 of 717

TM 9-2320-279-34-3

Hydraulic System Maintenance Instructions (Cont)

20-2. HYDRAULIC HAND PUMP REPAIR (M983) (CONT).

a.

Disassembly.

(1)

Remove two cotter pins (1), pins (2), four

washers (3), and two pivot links (4).

(2)

Remove screw (5), pivot pin (6), and pivot

arm (7).

(3)

(4)

Remove bushing (8) from pivot arm (7).

Remove two bushings (9) from pump

body (10).

(5)

(6)

(7)

(8)

(9)

Using valve seat tool, remove valve seat (11) and preformed packing (12) from pump body (10).

Turn pump body (10) over and remove valve poppet (13), preformed packing (14), and

spring (15).

Using seal retainer tool, remove seal retainer (16).

Remove nylon insert (17).

Remove piston rod (18).

20-2