TM 9-2330-356-14
7-82. Tachometer Recalibration
a. Remove six screws which secure the instrument
panel and tilt the panel outward for access to the back of
b.
Start engine. Use a stroboscope and flash on
engine-pump coupling. Increase engine speed until
stroboscope reads 2000 rpm.
c.
Using a small screwdriver, turn adjusting screw
2000 rpm.
Release throttle and stop engine.
d.
Close the instrument panel and fasten with six
e.
screws.
(2) Thermo Unit(Fig. 7-72). With engine at
room
temperature, loosen thermo unit guide mounting screws.
The mounting holes in the shutter box are slotted. Slide
the assembly to a position where the thermo unit plunger
rests on roll pins with shutters closed. Tighten mounting
screws.
High Temperature Switch Test
7-84. Governor Speed and Sensitivity Adjustment
dures.
a. The
solenoid plunger should be
adjusted so it
fully stops injection when in the de-energized position.
To adjust the plunger length, turn the adjusting
b.
screw and jamnut on the plunger bottom in or out.
If the plunger sticks, remove the fuel stop
c.