TM 9-2320-279-20-3
M978 Tanker Maintenance Instructions (Cont)
25-6. PRIMARY PUMP REMOVAL/INSTALLATION (CONT).
WARNING
Pump is heavy and may cause,severe
injury if it slips or is dropped while being
moved.
(8) Support pump (5).
(9)
Remove four locknuts (22) and
screws (23) from front pump
mount (21).
(10) Remove mount (21).
(11) Soldier A and Soldier B remove
pump (5) from vehicle.
(12)
Remove coupling gaskets (11 and 16).
(13)
Remove clamp (24) and
hose (25).
(14)
Remove fitting (26), drain
valve (27), nipple (28), and
bushing (29) from pump (5).
NOTE
There are two models of primary
pump. Model A pump does not
include discharge elbow and suction
flange. Model B pump is supplied
with discharge elbow and suction
flange installed. Do steps (15)
and (16) if replacing pump with Model
A pump. Skip steps (15) and (16) and
go to step (17) if replacing pump with
Model B pump.
(15)
Remove four nuts (30),
discharge elbow (31), and
gasket (32).
(16)
Remove four nuts (33), suction
flange (34), and gasket (35).
(17)
Remove fill plug (36).
25-28
Change 3
