TM 5-3805-262-34
2-5. FUEL SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. FUEL INJECTION PUMP NOT OPERATING PROPERLY (Cont).
Step 8. (Cont).
Set test bench fuel feed pressure at 21.8 psi.
control lever. Watch rack travel dial indicator and
control lever until 0.477 inch rack travel is obtained
by dial indicator. Lock control lever in this position.
sure that fuel injection pump shutoff lever is fully
Release fuel
operate fuel
as indicated
Check and be
forward (towards drive end of fuel injection pump).
Set test bench for 1000 strokes.
Turn on test bench and operate fuel injection pump at 1100 rpm.
Take a test draw of fuel delivered from each cylinder of fuel injec-
tion pump.
Fuel delivery should
Turn off test bench.
a. If fuel delivery
step 9 below.
be 91 to 93 cc/1000 strokes for each cylinder.
of all cylinders is as specified above, go to
2-56
