MacDon R1 Series Operator's Manual page 326

1. Remove two screws (A) from cover (B), and remove the
cover from the gearbox shaft. Retain these parts.
2. Assemble pulley (A) and bushing (B) onto the gearbox shaft
with key (C).
3. Install three M10 hex head bolts (D) through bushing (B)
into pulley (A).
4. Tighten the three M10 bolts while maintaining 11 mm
(7/16 in.) dimension (B) between pulley (A) and
gearbox (C). Torque the bolts to 39 Nm (29 lbf·ft).
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MAINTENANCE AND SERVICING
Figure 4.317: Shaft Cover
Figure 4.318: Drive Pulley
Figure 4.319: Drive Pulley
308
B
B
A
D
B
A
A
C
C
Revision A