TM 5-3805-281-24-2
Fuel System
SERVICE INJECTION PUMP OVERFLOW
VALVE
NOTE: Overflow valve can be serviced with injection
pump installed.
1. Remove leak-off line (A) from elbow (B). Remove
elbow from overflow valve assembly (C).
2. Remove valve assembly from pump.
Removing Injection Pump Overflow Valve
RG,RG34710,1295
1923OCT971/2
3. Remove reducer (A) and copper washer (B) from valve
body (C). Discard copper washer.
4. Unscrew for spring seat (D); then remove spring (E)
and valve (F).
5. Inspect for foreign material imbedded in seat of nylon
valve.
6. Check spring to see that it is not weak or broken.
7. Wash all parts in solvent and air dry.
Inspecting Injection Pump Overflow Valve
A--Reducer
NOTE: There is no adjustment on valve to regulate
B--Washer
housing pressure. If suspected that valve is
C--Valve Body
malfunctioning, replace valve to restore proper
D--Spring Seat
operation.
E--Spring
F--Valve
G--Washer
8. Reverse order of removal for reassembly of overflow
valve. Install new copper washers.
RG,RG34710,1295
1923OCT972/2
