TM-9-2320-272-23-5

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 5 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-5 - Page 399 of 623

GENERAL CLEANING INSTRUCTIONS - Continued

3.

Disassembled Parts Cleaning.

Place all disassembled parts in wire baskets for cleaning.

a.

Dry and cover all cleaned parts.

b.

Place on or in racks and hold for inspection or repair.

c.

All parts subject to rusting must be lightly oiled and wrapped.

4.

Castings.

WARNING

•

Solvent cleaning compound is flammable and will not be used near open flame. Use

only in well-ventilated places and keep fire extinguisher nearby. Failure to comply

may result in injury or death to personnel.

•

Compressed air source will not exceed 30 psi (207 kPa). When cleaning with

compressed air, eyeshields must be worn. Failure to comply may result in injury or

death to personnel.

a.

Clean all inner and outer areas subject to grease and oil with solvent cleaning compound.

b.

Use a stiff brush to remove sludge and gum deposits.

WARNING

Compressed air source will not exceed 30 psi (207 kPa). When cleaning with

compressed air, eyeshields must be worn. Failure to comply may result in injury or death

to personnel.

c.

Use compressed air to blow out all tapped screw holes and to dry castings after cleaning.

5.

External Engine Cleaning.

All electrical equipment and other parts that could be damaged by steam-cleaning

or moisture must be removed and all openings must be covered before cleaning. Dry with compressed air.

TM 9-2320-272-23-5

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