346
GEARCASE – COUNTER ROTATION
SHIFTER, BEARING AND SEAL SERVICING
For seal and bearing service refer to Propeller
Shaft Bearing Housing Service on p. 322.
Assembly
If removed, install a new forward gear bearing.
Apply Needle Bearing grease to 25 new rollers.
Install the rollers in the bearing.
Use Bearing Installation Tool, P/N 339778, to
install the bearing, lettered side facing tool.
Install the thrust bearing on the forward gear.
Place the bearing housing on the forward gear.
Install 0.030 in. (0.7 mm) of shims and the thrust
bearing in the flange. Install the thrust bearing on
the forward gear.
Install set screws and tighten to a torque of 144 to
168 in. lbs. (16.5 to 19 N·m). Use no thread seal-
ant.
Anchor a dial indicator gauge to a flat, level sur-
face.
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