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 TM 55-1905-220-14-10
5-19.2. IDLER GEAR - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
TEST (Cont)
e. If the crankshaft and camshaft gears are not
mounted on the engine, the torque required to
rotate the idler gear may be checked by
mounting the idler gear in position on the
engine, using a 4" square, 3/8" thick steel
plate against the hub and cone as outlined
below.
1. Mount the idler gear assembly on the
engine.
2. Install the idler gear hub retaining
bolt and washer and tighten the bolt
to 80-90 lb-ft (108.5 - 122.0 Nm)
torque.
3. Place the steel plate (lower plate
shown below) against the hub and
bearing. Insert three 3/8"-16 bolts
through the plate and thread them
into the hub. Tighten the bolts to 25-
40 lb-ft (33.9 - 54.2 Nm) torque.
5-351
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