Adjusting The Skid Shoe Height; Disc Speed - MacDon R85 Operator's Manual

6.7.2 Adjusting the Skid Shoe Height

DANGER
To avoid bodily injury or death from unexpected start-up or fall of raised machine: stop engine, remove
key, and engage safety props before going under machine for any reason.
1. Raise header fully, stop engine, and remove key.
2. Engage header safety props.
3. Remove lynch pin and remove adjuster pin (A) from
one side of skid shoe (B).
4. Hold skid shoe and remove lynch pin and adjuster
pin (A) from other side.
position, and reinstall adjuster pins (A). Secure with
lynch pins.
5. Repeat for skid shoe at opposite end of header.
6. Check header float as described in Section
Float, page 65.
7. Adjust header angle to desired working position using
the machine's header angle controls. If angle is not
critical, set it to mid-position. Refer to Section
Header Angle, page

6.7.3 Disc Speed

The disc header can be used to cut a variety of crops.
For the best cutting results, a range of disc speeds is recommended for each type of crop and condition. See
table below.
Crop
Alfalfa
Sudan, Sorghum, Haygrazer,
Timothy
Short grass
Disc speeds are set and adjusted from the cab using system controls, without shutting down the windrower.
Refer to your MacDon self-propelled windrower operator's manual.
169457
OPERATING THE HEADER
Position shoe at desired
6.1 Header
78.
6.6
Figure 6.19
Condition
Heavy
Light
Tall and stemmy
Dense
Thin
80
Disc rpm
2300–2500
1600–2000
2300–2500
2500
1800–2000
Rev. F