TM 9-4940-556-14&P
6 REPAIR
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INLET WATER SYSTEM
6.1
6.1.1 Float tank inlet fittings assembly (refer to drawing JP7205-A).
6.1.2 CAUTION - WHEN REPAIRING/REPLACING ANY INLET WATER FITTINGS/HOSES
BE CERTAIN TO TIGHTEN COMPLETELY. IF NOT TIGHT, AIR WILL BE
SUCKED INTO PUMP CAUSING A LOW WATER/HIGH TEMPERATURE CONDITION.
6.1.3 Strainer (item 14) is pressed into bushing (item 20) and can be
easily removed by hand. Reach into float tank, slide strainer toward
back of tank while rotating strainer slightly. Clean or replace strainer
and re-install. DO NOT Re-install with machine running.
6.1.4 Y strainer (item 23) can be removed by removing cap (item 24) from
strainer body (item 15). Clean or replace strainer - re-install in
reverse order.
6.1.5 If necessary to replace flaot tank valve (item 7) remove float
rod (item 6) and float prior to un-screwing float valve.
PUMP
6.2
Items likely to require
6.2.1 Refer to drawings JP3245 and JP7212.
servicing or replacement include:
A.
Inlet check valves (2) (item 16, drawing JP3245).
Outlet check valves (2) (item 15, drawing JP3245).
Pump crank shaft (item 21, drawing JP3245).
C.
Wrist pin (item 8, drawing JP3245).
D.
Pump piston (item 17, drawing JP3245).
E.
Pump pulley (item 8, drawing JP7212).
F.
Accumulator (item 13, drawing JP7212).
G.
H.
Water pump solenoid (item 10, drawing JP7212).
Tip (pump volume control) (item 11, drawing JP7212).
I.
J.
Pump packing (item 14, drawing JP3245).
`.
6.2.2 Inlet check valves. Remove hoses and using a box wrench, unscrew,
remove and replace. CAUTION - inlet and outlet check valves have same
thread size. Be certain to install check valves properly. Check valves
Inlet check valves are installed in bottom of pump
are marked in and out.
bodies, outlet check valves on top of pump. Oil "O"Rings on check valves
before installing.
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