TM 9-2815-210-34-2-2
FRAME 4
NOTE
Readings must be within limits given in table 4-65. The
letter L shows a loose fit.
The letter T shows a tight
fit. If readings are not within given limits, throw away
part and get a new one.
1.
Measure fit of
2.
Measure fit of
3.
Measure fit of
END OF TASK
sleeve bushing (1) in bore (2).
bearing inside diameter (3) on idler shaft (4).
bearing outside diameter (5) in bore of grooved pulley (6).
Table 4-65. Fan Idler Pulley and Arm Assembly Fits and Wear Limits
Index
Number
1and 2
3 and 4
5 and 6
Size and Fit
of New Parts
Item /Point of Measurement
(inches)
Fit of sleeve bushing in bore
0.0010L to 0.0050L
Fit of bearing inside diameter
0.0007T to 0.0001L
on idler shaft
Fit of bearing outside diameter 2.0460 to 2.0472
in grooved pulley
Wear Limit
(inches)
0.010 L
None
None
4-506