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 822 of 1393

FIELD MAINTENANCE

BOOM REPLACEMENT

INITIAL SETUP:

Tools and Special Tools

Tool Kit, General Mechanic's: Automotive

(Volume 5, WP

0826, Table 1, Item 56)

Chain Assembly

(Volume 5, WP

0826, Table 1, Item 15)

Lifting Device

Multiplier, Torque

(Volume 5, WP

0826, Table 1, Item 35)

Wrench, Torque, Click, Ratcheting, 1/2" Drive,

250 Ft-Lb

(Volume 5, WP

0826, Table 1, Item 63)

Wrench, Torque, Click, Ratcheting, 3/8" Drive,

75 Ft-Lb

(Volume 5, WP

0826, Table 1, Item 62)

Materials/Parts

Cap Set, Protective, Dust and Moisture Seal

(Volume 5, WP

0825, Table 1, Item 13)

Materials/Parts (cont.)

Locknut (Volume 5, WP

0827, Table 1, Item 324)

Qty:

1

Lockwasher

(Volume 5, WP

0827, Table 1, Item 405)

Qty:

2

Personnel Required

(2)

References

Volume 5, WP

0820

Equipment Condition

Parking brake set. (TM 9-2320-272-10)

Boom floodlight wire removed.

(Volume 2, WP

0331)

Hydraulic oil reservoir drained. (WP

0703)

Hoist winch removed. (WP

0696)

TM 9-2320-272-23-4

0686

0686-1