MacDon R113, Operator'S Manual

Page: 95 / 276

OPERATION
1. Lower mower conditioner fully, stop engine, and
remove key from ignition.
2. Open the right side driveshield (refer to
3.2.1 Opening
Driveshields, page 33
).
Figure 3.93: Right Side Driveshield
3. Examine the four bolts (A) in slots of yoke plate
(B) on upper roll universal shaft. The timing is set
during assembly and the
fl ange bolt locations are
marked—ensure bolts are centered between the
marks to avoid having to reset the timing.
NOTE:
Only three bolts shown in the illustration.
4. Adjust roll timing if necessary. Refer to
Adjusting Roll
Timing, page 85
.
Figure 3.94: Bolts in Slots of Yoke Plate
Adjusting Roll Timing
1. Loosen four bolts (A) in slots of yoke plate (B) on upper
roll universal shaft.
NOTE:
Only three bolts shown in the illustration.
2. Manually rotate upper roll until it stops. Make a mark
on yoke fl ange to align with the center of one of the
bolt (A) heads.
3. Manually rotate upper roll in opposite direction until it
stops. Make a second mark on yoke fl ange to align
with the bolt.
4. Determine the center between the two marks, and
mark a third line on the yoke fl ange.
5. Rotate the upper roll until the bolt lines up with the
third line.
6. Apply blue Loctite
®
and tighten bolts (A) to secure the
position. Torque to 70 ft · lbf (95 N · m).
Figure 3.95: Bolts in Slots of Yoke Plate
169820
85
Revision A