TM 9-2320-279-20-3Change 4 25-144.3M978 Tanker Maintenance Instructions (Cont)WARNING·Before entering tank, be certain toread and follow all safetyprecautions in FM 10-71. Liquidsand vapors carried in the M978tanker are flammable and maycause injury or death.·No smoking, flame, sparks, or hot orglowing objects within 50 ft (15 m) ofvehicle.a. Removal.(1)Remove four nuts (1), screws (2), andcoupling halves (3) from two couplinggaskets (4) and (5).(2)Hold V21 check valve (6) in place and pushcoupling gasket (4) onto lower pipe (7).(3)Hold V21 check valve (6) in place andpush coupling gasket (5) onto upperpipe.(4)Remove V21 check valve (6) from twopipes (7) and (8).(5)Remove nut (9) and screw (10) frombracket (11) and remove pipe (7).(6)Remove two coupling gaskets (4)and (5).
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
