TM-9-2320-260-34-2

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 2 OF 2

JULY 1994

TM-9-2320-260-34-2 - Page 461 of 863

TM 9-2320-260-34-2

16-9. REAR WINCH LEVEL WIND MAINTENANCE (Contd)

c. Cleaning and Inspection

1.

For general cleaning instructions, refer to para. 2-8.

2.

For general inspection instructions, refer to para. 2-9.

3. Inspect pivot frame (1), bearing (5), shaft (7), two thrust washers (8), spacers (9), and sheave (10) for

nicks, burrs, scoring, cracks, breaks, looseness, and excessive wear. Refer to table 16-8, Rear Winch

Level Wind Wear Limits, for measurements. Replace part(s) if damaged or worn.

4.

Inspect race (12) and bearing (11) for nicks, burrs, scoring, cracks, and breaks. Replace race (12) and

bearing (11) if damaged.

5. Inspect pin (6) for nicks, burrs, scoring, cracks, and breaks. Replace pin (6) if damaged.

Table 16-8. Rear Winch Level Wind Wear Limits.

ITEM

WEAR LIMITS/TOLERANCES

NO.

lTEM/POINT OF MEASUREMENT

INCHES

MILLIMETERS

1

Pivot frame

2

Sheave shaft bore (2 places) – inner diameter –

maximum

2.747

69.77

3

Race surface – outer diameter - minimum

2.812

71.42

5

Bearing bore – inner diameter – maximum

1.3747

34.917

4

Pivot frame bearing – outer diameter – minimum

1.3745

34.912

7

Sheave shaft – outer diameter – minimum

2.7490

69.825

8

Sheave thrust washer – thickness – minimum

0.0615

1.562

9

Spacer

Edge – thickness – minimum

0.087

2.21

Body – thickness – minimum

0.178

4.52

10

Sheave

Bearing bore – inner diameter – maximum

4.2496

107.940

Hub – width – minimum length

2.235

56.77

11

Sheave bearing – outer diameter - minimum

4.2492

107.930

16-62