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 867 of 1393

CLEANING AND INSPECTION

WARNING

Solvent cleaning compound is flammable and toxic. Do not use near an open flame and

always have a fire extinguisher nearby when solvents are used. Use only in well-ventilated

places, wear protective clothing, and dispose of cleaning rags in approved container. Failure

to comply may result in damage to equipment, injury, or death to personnel.

1.

Clean turntable base plate and gear and bearing assembly with solvent cleaning compound.

2.

Inspect turntable base plate for cracks and breaks. If cracked or broken, refer to TM 9-237.

3.

Inspect turntable gear and bearing assembly for cracks, pits, scores, and broken teeth. If cracked, pitted,

scored, or broken teeth are evident, replace turntable gear and bearing assembly.

END OF TASK

INSTALLATION

1.

Install turntable gear and bearing assembly (Figure 3, Item 1) on underside of turntable base plate

(Figure

3,

Item

3) with 18 screws (Figure 3, Item 2). Tighten screws 170 to 200 lb-ft (231

to

271

N·m).

TM 9-2320-272-23-4

0692

0692-4