3-166.3 IDLER GEAR AND BEARING ASSEMBLY - MAINTENANCE INSTRUCTIONS (Continued).
PRE-LOAD CHECK OF BEARING (Cont)
A scale reading which exceeds the specified maximum indicates binding of the bearing rollers, or rollers
improperly installed. When the scale reading is less than the specified minimum, the bearing is more
likely worn and should be replaced.
After the pre-load test is completed, remove the steel plates and attach bearing retainer as follows:
Attach the bearing retainer (8) to the idler gear with six screws (6) and three bolts (8) and locks
(7). Tighten the screws to 24-29 lb-ft (35.7 - 43.2 kg/m) torque.
Bend the ears of each bolt lock against the flat side of the attaching bolt heads to secure the