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TM10-3930-242-12
Leakage Definitions for Opera tor/Crew PMCS
or broken connectors. Report damaged or loose wir-
Class I
Seepage of fluid (as indicated by wetness or
ing to organizational maintenance.
discoloration) not great enough to form
(5) Hoses and fluid lines. Look for wear, dam-
drops.
age, and leaks. Make sure clamps and fittings are
Class II
Leakage of fluid great enough to form drops,
but not enough to cause drops to drip from the
tight. Wet spots show leaks, but a stain around a fit-
item being checked/inspected.
ting or connector can also mean a leak. If leakage
Class III Leakage of fluId great enough to form drops
comes from a loose fitting or connector, tighten the
that fall from the item being checked/in-
fitting or connector. If something is broken or worn
spected.
out, report it to organizational maintenance.
CAUTION
(6) Fluid level. Vehicle must be on level
ground in order to get correct fluid level measure-
Equipment operation is allowable with minor
ment.
leakages (Class I or II). Of course, consid-
i. It is necessary for you to know how fluid leaks
eration must be given to the fluid capacity in
the item/system being checked/inspected.
affect the status of your equipment. The following
When operating with Class I or II leaks, con-
are definitions of the types/classes of leakage you
need to know to be able to determine the status of
tinue to check fluid levels as required on
your equipment. Learn and be familiar with them,
your PMCS. Class III leaks should be re-
and REMEMBER --when in douubt, notify your su-
ported to your supervisor or to organizational
pervisor.
maintenance.
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services
NOTE: Within designated Interval, these checks are to be
performed in the order listed.
W­Weekly
A­After
B-- Before
D­During
Item To Be Inspected
Interval
Procedure: Check for and have repaired, filled, or
Equipment is not Ready/
Item
D
A
W
Available If:
No.
adjusted as needed.
IMPORTANT - PERFORM WEEKLY (W) AS
WELL AS BEFORE (B) OPERATIONS PMCS IF:
a. You are the assigned operator and have not op-
erated the vehicle since the last weekly PMCS.
b. You are operating the vehicle for the first time.
1
EXTERIOR OF VEHICLE
Class III leaks are evident.
a. Check for fuel, engine oil, coolant and hy-
draulic leaks or appearance of leakage.
Damage, bends, or cracks
b. Visually check Roll Over Protective Structure
in weldment.
(ROPS) for damage, bends, or cracks in weldment.
Forks, carriage, or side
c. Visually check forks, carriages, and side shif-
shifter frame cracked,
ter frame for cracked, bent, or broken components
bent, or broken.
or frame members.
Wiring is frayed, broken,
d. Visually check wiring harness and connec-
or burned.
tions for frayed, broken, or burned wires.
TIRES AND WHEELS
2
Tires have cuts or abra-
a. Check tires for excessive wear, cuts, or abra-
sions which would result in
sions, embedded foreign objects, and obviously low
tire failure. Tires are low,
or flat condition. (Ref TM 9-2610-200-24)
flat, or missing.
Change 2

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