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 522 of 717

TM 9-2320-279-34-3

M978 Tanker Maintenance Procedures Instructions (Cont)

(9)

Coat threads of three plugs (22, 23, and 24) with pipe thread sealing compound and install in

relief valve (11) and relief valve cover (14).

(10)

Coat threads with pipe thread sealing compound and install nipple (25), bushing (26), and

elbow (27) in relief valve (11).

(11)

(12)

(13)

(14)

(15)

Install preformed packing (28) and seat (29) in valve body (30).

Install preformed packing (31) in control body (32) and two preformed packings (33) on

stem (34).

Install stem (34), retainer (35), and nut (36) in control body (32).

Install washer (37), diaphragm (38), washer (39), washer (40), and nut (41) on control body (32)

and stem (34).

Install preformed packing (42) in control body (32).

22-65