TM 1-1740-204-13&P
4-14.3
UPPER OUTLET CHECK VALVE
a.
Remove the high pressure relief valve (1).
b.
Loosen flare fittings of tubing (2 and 3) and remove tubing (3).
c.
Remove flare fitting (4).
d.
Remove the upper outlet check valve body (5) with tee and coupler assembly (6) attached from the pump body (7).
e.
Refer to the inset illustration of the outlet check valve. Carefully remove the spacer (8), spring (9) and the check
valve poppet (10). These items could remain in the pump.
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