(e) The generator's front end must be
raised until the front wheels are clear of the ground
(a) Lubricate all grease fittings (11, 12,
in order to check excessive wearing of king pins.
and 17) on both sides of the wheel mounting kit with
(b) Lubricate tow bar mechanism and
safety chain with an oil can.
Care must be exercised when checking
Rear Axle Assembly.
excessive wear on king pins to avoid
mistaking wheel bearing play or loose
(1) Visually inspect parking brake handle
wheel for excessively worn king pins.
for insecure mounting, cracks, corrosion, and
(f) Replace excessively worn king pins and
tie rod ends.
(2) Inspect brake control rods for cracks,
(2) Adjustment. If tie rod ends have been re-
corrosion, bends and signs of wear at joints.
placed, or adjustment is deemed necessary, adjust
(3) Lubricate brake linkage with an oil can.
the tie rods using the following procedures:
4-19. ORGANIZATIONAL MAINTENANCE
(a) Adjust the tie rod assemblies to as
WHEEL MOUNTING KIT.
near their original length as possible, with an equal
number of threads showing on each tie rod end (10
Wheels and Tires.
With the tow bar aligned with the center
line of the generator set, a preliminary
check can be made to see if the tie rod
assemblies are approximately the right
Set parking brake and block wheels before
maintenance on the wheel mounting kit
(b) Install the tie rod assemblies (31) with
with the generator set supported by the
bolts (3 and 9) and nuts (2 and 8).
(c) With the tow bar aligned with the cen-
(a) Place a suitable jack under the gen-
terline of the generator, and anchored so that it
erator set skid base and raise until wheel is well
will not move, measure the distance from center to
clear of the ground.
center of the tread of the two front wheels, in front
of the wheels.
(b) Situate a support which is high enough
to keep wheel clear of ground under skid base.
(d) Measure the distance from center to
center of the tread of the two front wheels, behind
is resting on support.
There is no tow in, therefore, these dis-
tances should be the same.
(e) If they are not identical, adjust tie
rods until they are identical. The distance from the
Remove valve core and allow air to es-
center of the front axle to each wheel must also be
cape from tire.
(f) With the wheels on the ground, and
and screws (6) to separate wheel halves (7 and 8) and
tires evenly inflated, a taut string from front to
pneumatic tire (9).
rear of the wheel mounting kit should touch the
sidewall of the aft and forward curvation of both
(f) Inspect lug nut studs (3) for crossed,
front and rear tires simultaneously, as near the
hubs as possible.
stripped, or peened threads or other damage.