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TES11NG AND ADJUSTING
Bevel gear
Complaint
Possible caus~
Remedy
Remarks
Excessive
gear
noise.
(1) Gear oil insufficient or
dirty
Add or change.
(2) Backlash
too large
Adjust.
Noise on turning to
one side means som
rattling condition du
to worn splines, loos
bearings or excessiw
backlash.
(3) Bearings worn down,
Adjust or replace.
damaged or loose
(4) Damaged or worn gear teeth
Adjust or replace.
or
poor
tooth contact
(5) Bevel gear improperly
Adjust.
Misalignment could
installed
be the cause.
Overheating.
(1) Gear oil wanting or dirty, or
Add or change.
of wrong
kind
(2) Backlash too large or too
Adjust or replace.
small
(3) Bearings too tight, too loose,
Adjust or replace.
Raceways could be in
or damaged
cracked, spalled or
~
otherwise damaged
condition.
(4) Bearings out of alignment
Adjust.
Oil leakage.
(1) Too much gear oil, or oil
Remove excess oil to
Leakage of oil into
viscosity too low
hold oil level as
steering clutch side
prescribed, or change
incapacitates this
oil by one meeting
device.
viscosity specffica
tion.
(2)
Defective oil seal
Replace.
(3) Portions of shaft in contact
Repair or replace.
Loose bearings cause
with oil seals worn
shaft to wobble and
thus promote oil
leakage even if oil seals
are in sound condition.
(4) Cracked case
Repair or replace.
Abnormal wear.
(1) Gear oil not enough, dirty or
Add or change.
Change oil if metal
of wrong kind
particles are noted in
oil. Such particles or
gritty matter promotes
wear.
(2) Bevel gear out of adjustment
Adjust.
56
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