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 TM 55-1905-217-34
Figure 3-66. Checking pre-load of idler gear bearing.
NOTE
The specified pull is 11/2 to 15 lbs. for the early design bearing assembly which
incorporates the snap ring.
(8) To check the pre-load by the second method:
(a) Attach the plates (two upper plates of fig. 3-65) to the idler gear with 1/2 "-13 center bolt, washers and nut as
shown in figure 3-64. Tighten the bolt to 80-90 lb-ft torque.
(b) Attach the other plate to the idler gear with three 3/8"-16 bots. Tighten the bolts to 25- 40 lb-ft torque.
l
3-88
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