2mechanical, Mechanical, 2 mechanical – MacDon R85 Rotary Disc 13 Foot Self-Propelled Windrower Header User Manual
Page 158

8.2
Mechanical
Symptom
Problem
Solution
Section
Bent cutter blade
Replace blade
Replacing the Cutter
Blades, page 124
Conditioner roll timing off
Check roll timing and
adjust if necessary
6.4.1 Checking Roll
Timing, page 73
and
Bent cage deflector
Replace deflector
7.6.6 Rotary Deflectors,
page 128
Excessive noises
Conditioner roll gap too
small
Check gap and adjust if
necessary
6.2.2 Adjusting the Roll
Gap, page 70
Mud deposits on
conditioner rolls
Clean rolls
—
Increase roll gap
6.2.2 Adjusting the Roll
Gap, page 70
Excessive vibration or
noise in header
Conditioner rolls
contacting each other
Check roll timing.
6.4.1 Checking Roll
Timing, page 73
Excessive heat in
cutterbar
Too much lubricant in
cutterbar
Drain lubricant and refill
with specified amount
Draining the Cutterbar
Lubricant, page 113
Mud on cutterbar
Remove mud from
cutterbar. Do NOT allow
mud to dry on cutterbar.
—
Spindle bearing failure
Replace spindle bearing
See MacDon Dealer.
Material wrapped around
spindle
Remove disc and remove
material
Cutting too low in rocky
field conditions
Decrease header angle.
Increase flotation
and
Header float set too heavy Increase flotation
6.1.1 Adjusting Header
Float, page 68
Ground speed too high
in rocky field conditions.
At high ground speed,
header tends to dig rocks
from ground instead of
floating over them
Reduce ground speed
Frequent blade damage
Blade incorrectly mounted
Check all blade mounting
hardware and ensure
blades are free to move
Inspecting Cutterbar
Hardware, page 125
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