TM 9-2320-279-20-3M978 Tanker Maintenance Instructions (Cont)2 5 - 6 . P R I M A R Y P U M P R E M O V A L / I N S T A L L A T I O N ( C O N T ) . NOTEIf discharge pipe can be alinedwith pump discharge elbow,continue with step (22). If not,continue with step (18).(18) Loosen two nuts (28) anddischarge pipe U-bolt (29).(19) Loosen two nuts (30) anddischarge pipe U-bolt (31).CAUTIONDo not tear or otherwisedamage coupling gasketduring installation. If couplinggasket is damaged, pipingconnections will leak.(20) Install two couplinghalves (32) on couplinggasket (26) with twoscrews (33) and nuts (34).25-32
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