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 - Page 412 of 704

TB 9-3950-253-13&P

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0043

REMOVAL

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WARNING

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During these procedures, the operator will be required to climb on and around vehicle. Be

sure to wear suitable footwear and that no surfaces are slippery. Wear suitable gloves and

hard hat.

•

Hydraulic fluid under pressure can penetrate the skin and cause injury, blindness, or

death. Pressure may build up in a hydraulic system. DO NOT perform any hydraulic

system service without first shutting down the engine to relieve system pressure. Wear

eye protection, gloves, and protective clothing while removing hydraulic hoses.

•

Lift frame must be positioned on solid, level ground with adequate support from stands.

•

Failure to follow these warnings may result in death or serious injury to personnel.

NOTE

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Note routing and tag hoses and fittings to aid in installation.

•

Cap hoses and fittings to prevent contamination.

•

Perform steps 1 through 3 to relieve hydraulic system pressure.

1. Start engine and set MODE switch to MAN M.F. position for 30 seconds.

2. Set MODE switch to MAN H.A. position for 30 seconds.

3. Set MODE switch to OFF position and turn off engine.

4. Remove two hydraulic hoses (Figure 1, Item 1) from quick disconnect T-fittings (Figure 1, Item 2).

Figure 1.

Fitting Hose Removal.

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