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

4.5.8 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 header lift cylinder lock-out valves 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.
1. Raise mower conditioner fully, stop engine, and
remove key.
2. Engage lift cylinder lock-out valves (refer to
Engaging Locks, page
3. Inspect rock guards for severe damage, wear, and
distortion, and replace if worn to 75% or more of their
original thickness.
4. Check for loose or missing fasteners and tighten or
replace missing fasteners.

Removing Rock Guards

1. Remove two hex head screws, washers, and lock
nuts (A).
169820
MAINTENANCE AND SERVICING
31).
3.1.1
Figure 4.107: Rock Guards
Figure 4.108: Rock Guard Hardware
171
Revision A