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 869 of 1393

INSTALLATION - 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.

NOTE

Assistant will help with Steps (1) and (2).

2.

Attach two utility chains (Figure 4, Item 6) to turntable base plate (Figure 4, Item 4).

3.

Attach lifting device (Figure 4, Item 7) to two utility chains (Figure 4, Item 6) and lift turntable base plate

(Figure

4,

Item

4) onto crane body (Figure 3, Item 10).

4.

Remove two utility chains and hoist hook from turntable base plate (Figure 4, Item 4).

5.

Rotate turntable base plate (Figure 4, Item 4) on gear bearing assembly (Figure 4, Item 9) to expose each

screw hole in turntable base plate and install on crane body (Figure 4, Item 10) with 18 screws (Figure 4, Item

5). Tighten screws 170 to 200 lb-ft (231 to 271 N·m).

6.

Install turntable side plates (Figure 4, Item 1) and crossover tubes (Figure 4, Item 2) on turntable base plate

(Figure 4, Item 4) with 18 screws (Figure 4, Item 5) and locknuts (Figure 4, Item 3). Tighten screws 170 to 200

lb-ft (231 to 271 N·m).

TM 9-2320-272-23-4

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