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