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

Weekly

Windshield

Check windshield washer reservoir for

Washer

missing or loose hardware, fluid level, and

Reservoir

physical damage.

Weekly

Cooling

a. Check clamps and hoses for leakage

a. Class III coolant leaks.

System

and secure connections. Check thermo-

stat housing, water manifold, and gaskets

for leaks.

b. Inspect cooling fan for cracked or

b. Fan is bent, cracked, or

damaged blades.

damaged.

CAUTION

Do not use screwdriver or any other

sharp instrument to remove debris from

radiator.

To do so could result in

equipment damage.

c. Check for and remove any debris or

blockage of air flow from radiator cooling

fins (especially after fording).

Weekly

Defroster and

Inspect defroster tube and air tube for

Air Tubes

proper connection and physical damage.

Change 1

2-55