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.
ITEM
WEAR LIMITS/TOLERANCES
NO.
ITEM/POINT OF MEASUREMENT
INCHES
MILLIMETERS
9
End frame thrust ring - thickness - minimum
0.486
12.34
10
Drum thrust ring - thickness - minimum
0.492
12.50
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) -
inner diameter - maximum
2.376
60.35
16
Shifter fork
Fork lug - outer diameter - minimum
0.486
12.34
Fork lug spacing
2.968-3.032
75.39-77.01
17
Shifter lock spring free length
1.91
48.5
18
Drag brake spring
free length
1.50
38.1
compressed length with 52 lb (23 kg) applied
1.00
25.4
16-7