TM-9-2320-272-23-4

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 4 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-4 - Page 843 of 1393

REMOVAL - Continued

WARNING

All personnel must stand clear during lifting operations. A snapped chain, or shifting or

swinging load, may result in injury to personnel. Failure to comply may result in injury or death

to personnel.

CAUTION

When disconnecting hydraulic lines and hoses, plug all openings to prevent dirt from entering

and causing internal damage to parts.

NOTE

•

Have drainage container ready to catch oil.

•

Use drain pans to retain leaking/draining fluids. Refer to local procedures and plans for

preventing and responding to fluid spills or leaks. Comply with local regulations when

disposing of clean up material and leaked and spilled fluids.

•

Tag all hydraulic lines and fittings for installation.

5.

Disconnect hydraulic lines (Figure 2, Items 7, 10, 13, and 15) from lower end of hydraulic swivel valve

(Figure

2,

Item

3).

6.

Remove adapter fittings (Figure 2, Items 6, 8, 9, 11, 12, 14, 16, and 17) from lower end of hydraulic swivel

valve (Figure 2, Item 3).

7.

Disconnect hydraulic lines (Figure 2, Items 1 and 18) from hydraulic swivel valve (Figure 2, Item 3).

8.

Disconnect hydraulic tube (Figure 2, Item 5) from elevating cylinder tee (Figure 2, Item 4) and swivel valve

(Figure 2, Item 3).

9.

Remove adapter fittings (Figure 2, Items 2 and 19) from hydraulic swivel valve (Figure 2, Item 3).

TM 9-2320-272-23-4

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