TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 581 of 764
TM 9-2320-361-34
16-4.
REAR WINCH REPAIR (M764) (Contd)
f. Cleaning and
Inspectim
1.
For
general cleaning instructions, refer to para. 2-8.
2.
For
general inspection instructions, refer to para. 2-9.
3.
4.
5.
6.
Inspect two reduction bearing sleeves (1), second reduction bearing sleeve (2), and first reduction
bearing sleeve (3) for wear. Refer to table 16-3, M764 Rear Winch Wear Limits, for measurements.
Replace if worn past limits.
Inspect two drum bushings (4), drum shaft bushing (5), two thrust collars (6), and worm gear
housing cap bushings (7) for wear. Refer to table 16-3, M764 Rear Winch Wear Limits, for
measurements. Replace if worn past limits.
Inspect two horn sprocket bearing sleeves (8), horn roller bearing sleeves (9), and horn roller bearing
sleeves (10) for wear. Refer to table 16-3, M764 Rear Winch Wear Limits, for measurements. Replace
if worn past limits.
Inspect four thimble springs (11), thimble spring (12), detent spring (13), and clutch spring (14) for wear.
Refer to table 16-3, M764 Rear Winch Wear Limits, for measurements. Replace if worn past limits.
7. Inspect two brake linings
(15)
and clutch lining
(16)
for wear. Refer to table 16-3, M764 Rear Winch
Wear Limits, for measurements. Replace if worn past limits.
8. Inspect bearing (17) (TM 9-214). Replace bearing (17) if worn or damaged.
Table 16-3. M764 Rear Winch Wear Limits.
ITEM
WEAR LIMITS/TOLERANCES
NO.
ITEM/POINT OF MEASUREMENT
INCHES
MILLIMETERS
1
Reduction sleeves:
Inner diameter
0.875-0.876
22.22-22.25
Outer diameter
1.127-1.128
28.6-28.7
2
Second reduction bearing sleeve:
Inner diameter
1.00-1.001
25.4-25.42
Outer diameter
1.127-1.128
28.6-28.65
3
First reduction bearing sleeve:
Inner diameter
0.752-0.753
19.10-19.13
Outer diameter
1.127-1.128
28.6-28.65
4
Drum bushings:
Inner diameter
2.446-2.448
62.13-62.18
Outer diameter
3.001-3.002
76.23-76.25
5
Drum shaft bushing:
Inner diameter
2.446-2.448
62.13-62.18
Outer diameter
3.00-3.002
76.2-76.25
6
Thrust collars (inside diameter)
2.439-2.442
61.95-62.02
7
Worm gear cap bushings:
Inner diameter
2.446-2.448
62.13-62.18
Outer diameter
3.00-3.002
76.2-76.25
8
Horn sprocket bearing sleeves:
Inner diameter
1.253-1.254
31.83-31.85
Outer diameter
1.503-1.504
38.18-38.2
9
Horn roller bearing sleeves:
Inner diameter
0.501-0.502
12.73-12.75
Outer diameter
0.752-0.753
19.1-19.13
10
Horn roller bearing sleeves:
Inner diameter
0.51-0.53
12.95-13.46
Outer diameter
1.0
25.4
16-38
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