TM 9-2320-260-34-2
16-10. REAR WINCH CABLE TENSlONER MAINTENANCE (Contd)
I
5. Inspect four thrust washers (1), two pins (2), sheaves (3), and bearings (4) for breaks, cracks,
scoring, chips, damaged threads, blocked lubrication passages, and excessive wear. Refer to table
or worn.
Table 16-10. Rear Winch Tensioner Parts Wear Limits.
WEAR LIMITS/TOLERANCES
ITEM
lTEM/POINT OF MEASUREMENT
NO.
MILLIMETERS
INCHES
1.562
0.0615
Thrust washers thickness - minimum
1
1.2495
31.737
Pins diameter minimum
2
Sheaves
3
1.480
37.59
Hub thickness minimum
1.7497
44.442
Bore - inner diameter maximum
1.7495
44.437
Bearings outer diameter minimum
4
Install bearing (4) in sheave (3). Ensure bearing (4) is centered in bore.
1.
2.
Soak two new felt washers (8) in lubricating oil and install one felt washer (8) on each side of
bearing (4) in sheave (3).
3.
Position rod end of fork (7) through right end plate of frame (5).
4.
Install sheave (3) and two thrust washers (1) in fork (7) and frame (5) with pin (2) and new cotter
pin (6). Ensure threaded end of pin (2) is facing out.
5.
Install grease fitting (9) in pin (2).
Install bearing (4) in sheave (3). Ensure bearing (4) is centered in bore.
6.
7.
Soak two new felt washers (11) in lubricating oil and install one felt washer (11) on each side of
bearing (4) in sheave (3).
8.
Position two thrust washers (1) and sheave (3) in left end of frame (5) and install with pin (2) and
new cotter pin (10). Ensure threaded end of pin (2) is facing out.
9.
Install grease fitting (12) in pin (2).
16-72
