Table 2-1. Preventive Maintenance Checks and Services for SEE/HMMH (Cont)

TM 5-2420-224-10

Table 2-1. Preventive Maintenance Checks and Services for SEE/HMMH

Crewmember

Item

Interval

Not Fully Mission

Location

No.

Procedure

Capable If:

Item to

Check/

Service

During

Hi Temp/Low

With engine running and vehicle light switch

Low

oil

pressure/high

Oil Pressure

in SER DRIVE position, press and hold test

temperature

alarm

not

button to check for proper operation.

operating properly.

During

Steering

Check for unusual free-play,

binding,

Steering is loose, binding, or

System

wandering, or shimmy.

makes unusual noises.

During

Transmission

a. Shift transmission in all ranges,

a. Transmission does not

observing any unusual stillness or binding of

operate or makes unusual

linkage.

noises.

b. Check green intermediate

speed

indicator light for proper operation.

c. Operate clutch to check for drag, noise,

chatter, grab, slippage, and clashing of

gears.

d. Operate equipment to determine if

d. Clutch is inoperative or

forward/reverse gear selector is operating

slipping, or definite grab or

and has no sign of binding or stiffness.

chatter.

During

PTO Drive

Check shifting operation for unusual noises,

PTO is inoperative or will not

stiffness, or jumping out of gear. Check red

stay in gear.

indicator light for operation.

Change 1

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