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 1059 of 1393

REMOVAL - Continued

NOTE

•

Cross fittings to hoist cylinder hoses must be disconnected from the cross fittings first.

Then hoses can be removed from hoist cylinders.

•

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 hoses for installation.

3.

Disconnect three hydraulic hoses (Figure 2, Items 6, 7, and 11) from right cross fitting (Figure 2, Item 10).

4.

Disconnect three hydraulic hoses (Figure 2, Items 5, 8, and 12) from left cross fitting (Figure 2, Item 9).

5.

Disconnect two hydraulic hoses (Figure 2, Items 7 and 11) from right and left cylinder ports

(Figure

2,

Items

2

and

13).

6.

Disconnect two hydraulic hoses (Figure 2, Items 8 and 12) from right and left cylinder ports

(Figure

2,

Items

1

and

4).

7.

Disconnect two hydraulic hoses (Figure 2, Items 5 and 6) from safety lock cylinder (Figure 2, Item 3).

TM 9-2320-272-23-4

0717

0717-4