TM 9-2320-260-34-2
16-2. FRONT WINCH REPAIR (Contd]
6. Inspect shifter lock spring (17) and drag brake spring (18) for damaged coils, wear, and free length.
Using spring tester, inspect drag brake spring (18) for compressed length. Refer to table 16-1, End
Frame Wear Limits, for measurements. Replace shifter lock spring (17) or drag brake spring (18)
if damaged or worn.
Table 16-1. End Frame Wear Limits.
WEAR LIMITS/TOLERANCES
ITEM
ITEM/POINT OF MEASUREMENT
NO.
INCHES
MILLIMETERS
12.34
9
End frame thrust ring - thickness - minimum
0.486
12.50
0.492
10
Drum thrust ring - thickness - minimum
11
Drum
12
Bushing - inner diameter maximum
2.131
54.13
Bushing bore (bushing (12) removed) -
inner diameter - maximum
2,376
60.35
13
Sleeve
14
Bushing - inner diameter - maximum
2.131
54.13
Bushing bore (bushing (14) removed) -
60.35
2.376
inner diameter - maximum
16
Shifter fork
12.34
Fork lug - outer diameter - minimum
0.486
Fork lug spacing
2.968-3.032
75.39-77.01
17
48.5
1.91
Shifter lock spring free length
18
Drag brake spring
free length
1.50
38.1
25.4
compressed length with 52 lb (23 kg) applied
1.00
16-7
