Crossbar Installation; Universal Joint Repair - Oregon 480RC Original Instruction Manual

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DEALER SERVICE
6. For removal with puller screw, attach tube (5) to each
clevis with bolts (2) and nuts (3). Place pad (4) in nut and
thread puller screw (6) into nut from bottom. Tighten until
pad is solid against gearbox shaft. For best results, strike
head of puller screw with a hammer while tightening with
a wrench.
7. For removal with a jack, attach tube to each clevis with
puller links (7), bolts (2), and nuts (3). Place jack on tube
with end of jack pressing against gearbox shaft. Slowly
apply force with jack.
NOTE: Hydraulic jack will not operate if tipped more than
90-degrees. Use care to prevent bending crossbar during
removal.

Crossbar Installation

1. Using emery cloth (220 or finer), remove surface rust,
Loctite® and foreign material from hub, splined gearbox,
vertical shaft, and crossbar as shown in Figure 19.
Figure 19
1. Install crossbar (2) on splined shaft. Install castle nut and
cotter pin. Torque nut to 200 lbs-ft
2. Install the blades using existing hardware. Torque blade pin
nut to 450 lbs-ft.
28
Figure 20

Universal Joint Repair

1. Yoke
2. Cup and bearing
3. Snap ring
4. Journal cross
Figure 21. Universal Joint Parts Breakdown

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This manual is also suitable for:

600rc720rcOr48rc-1Or60rc-1Or72rc-1

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