TM 9-2350-222-34-1
FUEL PRIMER PUMP REPAIR (Sheet 1 of 6)
PROCEDURE INDEX
PROCEDURE
PAGE
Test
Disassembly
Cleaning and Inspection
Assembly
TOOLS: Vacuum gage (0 to 50 in)
Pressure gage (0 to 300 psi) w/release valve
Long round nose pliers (needle nose)
Flat-tip screwdriver
7/16 in. combination box and open end wrench
Diagonal cutting pliers
1-1/2 in. open end wrench
Vise
9/16 in. combination box and open end wrench
1-1/8 in. open end wrench
SUPPLIES:
Parts kit (5704213)
Fuel source
TEST:
NOTE
If any tests fail, pump must be repaired or
replaced.
1. Connect inlet side of primer pump (A) to a fuel source
to lubricate internal part. Pump handle (A.1).
2. Remove from fuel source, then pump handle (A.1)
until no fuel flows from outlet side of primer pump.
3. Connect vacuum gage (B) to inlet side of primer
pump (A).
4. Operate pump handle (A.1). Pump must maintain a
minimum of 12 inches of vacuum while pumping.
5. Remove vacuum gage from pump.
Go on to Sheet 2
TA252617
Change 1 4-86