TB-9-3950-253-13-P

PALLETIZED LOAD SYSTEM TRUCK, M1075 and M1075A1 (PLS) AND HEAVY EXPANDED MOBILITY TACTICAL TRUCK, M1120, M1120A2, AND M1120A4 (HEMTT), ENHANCED CONTAINER HANDLING UNIT (E-CHU)

TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2009
TB-9-3950-253-13-P

  TB-9-3950-253-13-P - Page 220 of 704

0020-2
TB 9-3950-253-13&P
0020
CLEANING INSTRUCTIONS
00020
WARNING
Improper cleaning methods and use of unauthorized cleaning liquids or solvents can injure
personnel and damage equipment. To prevent this, refer to TM 9-247,
Materials Used for
Cleaning, Preserving, Abrading and Cementing Ordnance Materiel and Related Materials,
Including Chemicals,
for further instructions.
1.
General.
Cleaning instructions will be the same for the majority of parts and components which make up the E-CHU.
The following applies to all cleaning operations:
a. Clean all parts before inspection, after repair, and before assembly.
b. Keep hands free of grease which can collect dust, dirt, and grit.
c.
After cleaning, all parts should be covered or wrapped to protect them from dust and dirt. Parts that are
subject to rust should be lightly oiled after cleaning.
2.
Castings, Forgings, and Metal Parts.
a. Clean inner and outer surfaces with (Detergent, General Purpose, Liquid (WP 0060, Item 6)) and dry with
a Rag, Wiping (WP 0060, Item 10).
b. Remove grease and accumulated deposits with a scrub brush.
WARNING
Particles blown by compressed air are hazardous. DO NOT exceed 15 psi (103 kPa)
nozzle pressure when drying parts with compressed air. Use a maximum of 30 psi (207
kPa) when cleaning components. DO NOT direct compressed air against human skin.
Failure to follow this warning may result in injury or death to personnel. Make sure air
stream is directed away from user and other personnel in the area. To prevent injury, user
must wear protective goggles or face shield.
c.
Clear all threaded holes with compressed air to remove dirt and cleaning fluids.
CAUTION
DO NOT wash oil seals, electrical cables, and flexible hoses with dry cleaning solvent or
mineral spirits. Serious damage or destruction of material will result.
3.
Oil Seals, Electrical Cables, and Flexible Hoses.
Wash oil seals, electrical cables, and flexible hoses with a
solution of Detergent, General Purpose, Liquid (WP 0060, Item 6) and water, and wipe dry with a clean Rag,
Wiping (WP 0060, Item 10).
PRESERVATION OF PARTS
00020
Unpainted metal parts that will not be installed immediately after cleaning may be covered with a thin coat of light
oil Oil, Lubricating, OE/HDO-10 (WP 0060, Item 9).
PAINTING
00020
On painted areas where paint has been removed, paint in accordance with procedures outlined in MIL-T-704
,
Treatment and Painting of Materiel
.


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