2-5. FUEL SYSTEM TROUBLESHOOTING (CONT)
TEST OR INSPECTION
1. FUEL INJECTION PUMP NOT OPERATING PROPERLY (Cont).
With control lever against adjustment screw, increase fuel injection
pump speed to 1300 rpm.
Check that rack travel dial indicator indicates 0.012 to 0.067 inch
a. If dial indicator indicates 0.012 to 0.067 inch, go to step 17
If dial indicator does not indicate 0.012 to 0.067 inch, make
coarse adjustments by adjusting swivel lever adjusting screw
(one click counterclockwise increases rack travel 0.0098 inch).
Make fine adjustments by adjusting no load governed speed ad-
Operate fuel injection pump at 600 rpm.
Watch rack travel dial indicator and increase speed to 1300 rpm.
Dial indicator should hold steady (not fluctuate) within 0.008 inch.
a. If dial indicator holds steady within 0.008 inch, go to step 18
b. If dial indicator does not hold steady within 0.008 inch, disas-
semble governor (page 3-173). Check for bent guide lever, ten-
sioning lever, or swivel lever.
Lock control lever against no
load governed speed adjustment
Set test bench for 1000
Operate fuel injection pump at
Take a fuel draw.
Fuel delivery from each cylin-
der should be 89 to 95 cc/1000
a. If fuel delivery from each
cylinder is 89 to 95 cc/
1000 strokes, tighten nut
on full load delivery screw
to lock adjustment. Record
rack travel dial indicator
reading and go to step 19