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 292 of 717

TM 9-2320-279-34-3

M977, M985,

and M984E1 Crane Maintenance Instructions (Cont)

17-28.4. RIGHT HAND FRONT CONTROL VALVE BODY REMOVAL/REPAIR/INSTALLATION

(M984E1) (CONT).

(18)

Install seat (56), spring (57),

backup ring (58), seat (59),

and screw (60) on spool (61).

(19)

Install spool (61) in directional

valve (62).

(20)

Install preformed packing (63)

and end cap (64) with four

screws (65).

A 1/4

cut d

(21)

(22)

(23)

(24)

in. (6.3 mm) allen wrench will have to be

own approximately 1/2 in. (12.7 mm).

Install preformed packing (66), cap (67), and

four screws (68).

Install seal washer (69) and screw (70) in

cap (67).

Install two preformed packings (71) and five

preformed packings (72) in valve body (4).

Install directional valve (62) to valve body (4

four screws (73) and three caps (74).

) with

17-138.22