106. Governor Repair
Inspect all otherparts for cracks, breaks,
wear, stripped or damaged threads, worn or
a. Removal. Remove the governor (para 61).
chipped teeth, or other damage. Replace
b. Disassembly Disassemble the governor in order
of the index numbers assigned to figure 47. Observe
d. Assembly Assemble the governor in reverse
the following special instructions.
order of disassembly. Observe the following special
(1) Press the drive gear (1) from the shaft and
driver assembly (7).
(1) Press the plug end needle bearing (27) into
(2) Drive the pin (15) from the fo (18) and the
the body until it is flush with the inside edge
shaft of the lever assembly (16); remove the
of the bearing bore in the housing. Press
lever assembly, fork, and bumper spring
the second needle bearing into the housing
(19) from the body assembly.
until it is flush with the seal counterbore in
(3) Insert a drift through the seal (26) and drive
the housing. Tap in the welch plug (25) and
out the welch plug (25). Insert the drift from
press the seal (26) into the body until it
the opposite side and drive out the seal and
seats in the counterbore.
needle bearing (17). Reinstall the drift from
(2) Insert the shaft of the lever assembly (16)
the seal side of the housing and drive
into the body assembly (29) and through the
remaining needle bearing from body (29).
fork (18) and bumper spring (19). Align the
c. Cleaning and Inspection.
pin hole in the fork with the pin hole in the
(1) Clean all metal parts except bearings in an
lever assembly shaft; install the pin (15).
approved cleaning solvent; dry with clean,
(3) Make sure the upper race (9) and lower race
dry compressed air. Clean bearings by
(6) turn freely when installed on the shaft
placing in a strainer and dipping in a clean
and driver assembly (7).
solution of cleaning solvent. Flush until
(4) After the shaft and driver assembly, upper
and lower races, balls, thrust bearing (14),
fork base (18), thrust washers (11 and 12),
Do not spin balls or needles when
and retaining clip (10) have been
bearings are without lubricant.
assembled, adjust upper race free travel to
Keep bearings covered so dirt and
0.230 to 0.240 inch by removing or installing
dust will not enter.
thrust washers (11 and 12).
(2) Repack bearings with clean bearing grease.
(5) Press the drive gear (1) onto the shaft and
(3) Inspect bearings for smooth rotation without
rough or catchy spots. Inspect races, balls,
e. Installation Install the governor (para 61
and needles for wear or damage. Replace
Section IV. ENGINE ELECTRICAL SYSTEM
108. Generator Repair
107. Description and Function
a. Removal. Remove the generator (para 66
A 24-volt battery provides the power necessary to
b. Disassembly Disassemble the generator in
operate the starting motor. When the starter switch is
order of the index numbers assigned to figure 48. Do
depressed, a circuit through the solenoid switch is
not remove the field coils unless testing indicates them
to be defective.
engages the pinion on the starter drive with the engine
ring gear and then closes the circuit to the starting motor
c. Cleaning, Inspection, and Repair.
to crank the engine.
The ignition system,
(1) Wipe all parts of the generator, except the
simultaneously energized by the magneto, fires the fuel
mixture in the engine cylinders. When the engine is
brushes, with a cloth lightly dampened in an approved
cleaning solvent; dry thoroughly with low pressure
running, it drives the generator to recharge the batteries;
compressed air. Wipe brushes with clean, dry cloth.
the rate of charge is controlled by a generator regulator
which also provides reverse current protection.