TM 9-2320-279-34-3
M978 Tanker Maintenance Procedures Instructions (Cont)
22-13. V4 BYPASS/PRESSURE RELIEF VALVE REPAIR (CONT).
(24) Remove sight rod assembly (74) and seat (75) from relief valve (13).
(25) Remove nut (76), washer (77), diaphragm (78), and seat (79) from
stem (80).
(26) Remove guide (81), two washers (82), and disc (83) from seat (79).
22-62