Arb RD137 Manuel d'utilisateur télécharger pdf (Page 14)

4 Installing the Air Locker

4.1 Installing the Carrier Bearings

c With the Air Locker well supported in an arbor press, apply a thin

film of high pressure grease to both bearing journals.

c Press one of the tapered roller bearing cones onto one of the

bearing journals of the Air Locker until the bearing seats firmly

against the bearing journal shoulder.

c Invert the Air Locker and press the second bearing cone onto the

opposite bearing journal until the bearing seats firmly against the

bearing journal shoulder.

NOTE : Never re-use any bearings which are damaged or

worn.

4.2 Mounting the Ring Gear

c Apply a thin film of high-pressure grease to the ring gear shoulder

of the Air Locker to prevent seizing.

c Thoroughly clean any thread locking compound or other foreign

matter from the holes of the ring gear, the threads of the ring gear

bolts, and the mating surfaces of the ring gear and the Air Locker

flange.

NOTE : Rubbing the ring gear mounting face with a flat oil

stone before installation will remove any high spots

around the threads.

c Heat the ring gear to between 80 and 100°C (175 - 212°F) in an

oven or in hot water to slightly expand the gear and facilitate

assembly.

NOTE : NEVER HEAT GEARS WITH A FLAME! This could

damage the hardened surface of the gear and result in

premature wear or failure.

c Dry the ring gear with compressed air (if wet), paying particular

attention to the threaded holes.

c Install the ring gear onto the Air Locker by aligning the holes in the

flange with the tapped holes in the ring gear, then gently tapping it

around in a circle with a plastic or copper hammer.

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Arb RD137 Manuel d'utilisateur Page 14