TM 5-2815-241-34&P
FUEL PUMP CALIBRATION - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
GOVERNOR WEIGHT SETTING CHECKING AND ADJUSTING
NOTE
Shims are available in 0.007 and 0.015 inch (0.18 and 0.38 mm) thicknesses. Do not
change setting more than 0.020 inch (0.508 mm) from specification.
35. Test stand (1)
Fuel pump (2)
Check fuel pump governor weight setting as
follows:
a.
Adjust fuel pump speed to 1000 rpm.
b.
Place throttle lever (3) to wide open
position.
c.
Place selector valve (4) in ROTAMETER
position.
d.
Set fuel flow to 150 pph with fuel flow
control valve (5).
Fuel pressure should be 50 to 58 psi
(335 to 399 kPa).
e.
If fuel pressure is not 50 to 58 psi (335 to
399 kPa), adjust.
To increase or decrease pressure,
add or remove shims as necessary on
governor plunger. (See Fuel Pump,
page 2-289.)
T A 2 4 2 5 6 9
2-348
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