TESTING - TM-9-2320-285-24-10154

TM 9-2320-285-24-1

2-15.

COOLING SYSTEM MAINTENANCE (CONT)

Radiator (cont).

(2)

Testing. This task covers pressure testing the radiator.

INITIAL SETUP:

Tools

Personnel Required

No. 1 Common Organizational Maintenance

Wheel Vehicle Mechanic MOS 63B

Tool Kit

Socket wrench set

Equipment Condition

Adjustable open end wrench

Paragraph

Condition Description

Pressure tester

Cap adapter

Parked on level surface;

parking brake applied; engine

Materials/Parts

warm and turned off.

Clean cloths

Item 2, Appendix C

Cab tilted 45 degrees.

Antifreeze Item 25, Appendix C

Two five gallon

containers

Five C-clamps

Ten wooden blocks

STEP

LOCATION

ITEM

ACTION

REMARKS

TESTING

NOTE

With engine at normal operating temperature, run engine at high speed for two minutes, and

return to idle speed.

WARNING

Remove radiator cap slowly to relieve pressure before completely removing when engine is

hot. Failure to follow this procedure could cause severe injury. If you are scalded by steam,

seek medical aid immediately.

Radiator,

Radiator cap

Rotate

To first detent. A hissing

top

counter-

from cap and filler neck

clockwise

indicates that system is

pressurized

Instrument

Engine

Turn off

Allow engine to cool

panel

2-131