Rock Guards; Inspecting Rock Guards - MacDon R113 Operator's Manual

3. Install new nut (A), flange bolt (B), and discblade (C)
onto disc.
4. Torque the inside nut (A) to 58 Nm (43 lbf·ft).
5. Torque the outside nut (B), closest to the blade, to
125 Nm (92 lbf·ft).
6. Repeat the installation procedure for the second
accelerator.
WARNING
Ensure cutterbar is completely clear of foreign objects.
Foreign objects can be ejected with considerable force
when the machine is started and may result in serious
injury or machine damage.
7. Remove wooden block.
8. Close cutterbar doors. Refer to

4.5.6 Rock Guards

The machine is equipped with rock guards at each cutting disc location. Rock guards prevent the cutterbar from
digging into the ground and protect the disc from coming in contact with stones and other debris.

Inspecting Rock Guards

DANGER
To avoid bodily injury or death from unexpected start-up or fall of a raised machine, stop engine, remove
key, and engage windrower lift cylinder safety props before going under machine for any reason.
CAUTION
Exercise caution when working around the blades. Blades are sharp and can cause serious injury. Wear
gloves when handling blades.
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MAINTENANCE AND SERVICING
3.8.4 Closing Cutterbar Doors, page
134
A
B
Figure 4.59: Discblade and Disc
Figure 4.60: Discblade and Disc
68.
C
A
B
Revision A