KEY to figure 6-3:
with crocus cloth. If the burrs or scores are too deep to
remove in this manner, replace the part.
Inspect the drive assembly for a cracked ball
retainer; worn, pitted or scored balls; distortion; or other
damage. Replace a damaged drive assembly.
Check the needle bearings for smooth
operation; replace sticking or rough operating bearings.
Inspect the shaft for wear, scoring, and
distortion; replace if damaged.
Inspect all other governor parts for cracks,
scoring, wear or distortion; replace damaged parts.
Disconnect the hose to the engine oil filter
from the gear cover. Drain the oil from the filter and
Reassembly and Installation
Remove the hex locknuts (fig. 2-3) and lower
Refer to figure 6-3 and reassemble and install
support pads from the stud of the engine assembly. Hoist
the governor assembly. Install the rotating parts (7
the engine just enough to raise the upper support pad off
through 9) on the timing gear and camshaft. Install the
the frame. Block the engine in this position.
governor arm and lever and associated parts (14 through
Remove the hydraulic pump and mounting
20) on the gear cover.
plate (para 9-19).
When installing the needle bearings (20) in the
Remove the gear cover from the engine block
bore of the gear cover, tap them into position with a
driver and light hammer until there is clearance for the oil
Refer to figure 6-3 and remove and
seal (19) and dust seal (18). Install the oil seal and dust
disassemble the governor assembly.
When installing the surge screw (11), turn it
into the cover about one-fourth of its length as a
Do not remove the drive screws (12) and spring (13)
unless obviously damaged.
Install the adjusting bolt (4), nuts (2) and
lockwasher (3) on the bracket (6) so that an equal
If the needle bearings (20) are damaged, use
amount of threads are visible on each side of the nuts.
a rod of slightly smaller diameter than the gear housing
This is a preliminary adjustment. Install the spring (1)
hole and drive the dust seal (18), oil seal (19!, and
between the adjusting bolt and governor arm (17).
needle bearings (20) out of the gear cover.
Install the hydraulic pump and pump mounting
plate (para 9-19).
Lower the fan end of the engine so that it is
resting on the truck frame. Install the bottom support
Dry cleaning solvent, P-D-680, used to clean
pads and nuts.
parts is potentially dangerous to personnel and
Connect the hose from the engine oil filter to
property. Avoid repeated and prolonged skin
the gear cover. Fill the engine crankcase (LO 10-3930-
contact. Do not use near open flame or
excessive heat. Flash point of solvent is 100°F. -
Install the crankshaft pulley (para 9-21, e ).
138° F. (39° C. - 59° C.).
Install the fan and generator V-belts (TM 10-
Cleaning, Inspection and Repair
Connect the governor linkage clevises to the
governor adjusting arm (TM 10-3930-632-12).
Discard the seals.
Install the muffler, radiator, and counterweight
Clean all parts of the governor in cleaning
solvent P-D-680 and dry with compressed air. Dip the
Adjust the governor linkage (TM 10-3930-632-
needle bearings and drive assembly in engine oil.
Inspect the race assembly for wear, scoring,
distortion, cracks, breaks, or other damage; replace
damaged parts Remove burrs and scoring by lapping
Section IV. FUEL TANK
The fuel tank is built into the frame at the left side of
The fuel tank is built into the left frame member of
the truck. It is not removable.
the lift truck. If fuel tank leaks or other damage