TM 9-2320-279-34-3
M978 Tanker Maintenance Procedures Instructions (Cont)
22-13. V4 BYPASS/PRESSURE RELIEF VALVE REPAIR (CONT).
(16)
(17)
(18)
(19)
(20)
(21)
(22)
22-66
Position control body (32) on valve body (30).
Install guide (43), spring (44), guide (45), and cover (46) with eight screws (47).
Install nut (48) and adjusting screw (49) to recorded number of threads in cover (46).
nut .
Install cap (50) on cover (46).
Tighten
Coat threads with pipe thread sealing compound and install two plugs (51) in control
assembly (52).
Coat threads with pipe thread sealing compound and install bushing (53), nipple (54), and
elbow (55).
Coat threads with pipe thread sealing compound and install nipple (56), union (57), union (58),
nipple (59), and control assembly (52) on elbow (27). Do not tighten.