Table 3-1. Operator/Crew Preventive Maintenance Checks and Services

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

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.

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

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.

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