Pinion Seal

Fig 1: Seal Installer 8681

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Apply a light coating of gear lubricant on the lip of pinion seal. Install seal with Installer 8681 (1) and Handle C-4171 (2).

Fig 2: Flange Installer C-3718
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Install flange on the pinion shaft with the reference marks aligned.
Install flange (1) Installer C-3718 (2) on pinion shaft.

Fig 3: Wrench & Installer
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Hold pinion flange with Spanner Wrench 6958 (1) and tighten Installer C-3718 nut (2). Tighten nut to remove all end play.

Fig 4: Torque Pinion Nut
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Install pinion washer and a new nut on the pinion gear.
Hold pinion flange (1) with Spanner Wrench 6958 (2) and tighten pinion nut to 217 N.m (160 ft. lbs.).

Fig 5: Torque To Rotate
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Measure pinion torque to rotate (1) inch pound torque wrench (2). Pinion torque to rotate is recorded reading plus 0.56 N.m (5 in. lbs.).
If pinion rotating torque is low. Hold pinion flange with Spanner Wrench 6958 and tighten pinion nut in 6.8 N.m (5 ft. lbs.) increments until pinion torque to rotating is achieved.
CAUTION: If maximum tightening torque of 271 N.m (200 ft. lbs.) is reached before torque to rotate is achieved, the collapsible spacer may have been damaged. Never loosen pinion gear nut to decrease pinion gear bearing rotating torque and never exceed specified preload torque. Failure to follow these instruction may result in damage.
Install propeller shaft.
Install brake components.