FUEL SYSTEM -680640078

TM 5-2420-224-20-1

Table 2-1. Preventive Maintenance Checks and Services (Cont)

NOTE: Within designated interval, these checks are to be performed in the order listed.

INTERVAL DEFINITIONS

Q-Quarterly

S-Semiannually

A-Annually

Interval

Item

Item to be Inspected:

No.

Procedure: Check for and have repaired, filled, or adjusted as needed.

FUEL SYSTEM

a. Inspect fuel lines, fuel tank, and fuel system components for leaks and damage.

b. Replace fuel filters (page 4-50).

COOLING SYSTEM

NOTE

Refer to TB 750-651 for cooling system service.

a. Remove debris from cooling fins and check for bent fins.

b. Inspect radiator core for leaks.

c. Check hoses, cap, gaskets, rubber isolator mounts, and fan shroud mounting for

cracks and leaks.

d. Inspect water pump for leaks.

AIR INTAKE SYSTEM

WARNING

If NBC exposure is suspected, all filter media should be handled by personnel

wearing protective equipment. Consult your unit NBC Officer or NBC NCO for

appropriate handling or disposal instructions.

a. Check air cleaner, hoses, and air cleaner for proper installation, cracks, breaks, or

loose connections that could let unfiltered air into air intake system.

b. Check air intake screen for debris and damage.

Check for dirty air filter elements.

d. Clean/replace primary (outer) filter element (page 4-35). Never clean safety (inner)

element.

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