FUEL PUMP CALIBRATION - CONTINUED
Place selector valve (5) to LEAKAGE
Place COUNT SELECTOR SWITCH (7) to
the 100 position.
Pull out dumping lever (8) to retain fuel
in no. 1 burette (9).
Remove throttle spring (10) and man-
ually position throttle lever (3) to idle
Push dumping lever (8) inward.
Burette must be cleared of fuel to
prevent overflow at this time.
Depress pulse counter button (11) to fill
no. 1 burette (9).
At the end of a cycle, read the amount of
fuel in no. 1 burette (9) on the scale.
For one-half minute cycle, fuel
delivery is 37 cc.
If throttle leakage is not as specified,
using 7/16-inch box-end wrench and
1/8-inch flat-tip screwdriver, adjust
front throttle screw (12) in or out until cc
delivery comes to specifications.
Check leakage with light and heavy
throttle lever (3) load. If leakage is
decreased by additional pressure on
throttle lever in closed position, set
leakage under these conditions.
T A 2 4 2 5 6 5