2mechanical, Mechanical, 2 mechanical – MacDon R85 Rotary Disc 16 Foot Pull-Type User Manual
Page 230
9.2 Mechanical
Symptom
Problem
Solution
Section
Bent cutter blade.
Replace blade.
Replacing the Cutter
Blades, page 165
Conditioner roll timing off.
Check roll timing and
adjust if necessary.
7.4.2 Adjusting the Roll
Timing, page 92
Excessive noise.
Conditioner roll gap too
small.
Check gap and adjust if
necessary.
7.2.1 Checking the Roll
Gap, page 87
and
Adjusting the Roll Gap,
page 89
Mud deposits on
conditioner rolls.
Clean rolls.
7.15 Unplugging the
Mower Conditioner, page
121
Increase roll gap.
7.2.2 Adjusting the Roll
Gap, page 89
Excessive vibration
or noise in mower
conditioner.
Conditioner rolls
contacting each other.
Check roll timing.
7.4.1 Checking the Roll
Timing, page 91
Excessive heat in
cutterbar.
Too much oil in cutterbar.
Drain oil and refill with
specified amount.
Draining the Cutterbar
Lubricant, page 152
and
Mud on cutterbar.
Remove mud from
cutterbar. Do not allow
mud to dry on cutterbar.
7.15 Unplugging the
Mower Conditioner, page
121
Spindle bearing failure.
Replace spindle bearing.
See MacDon Dealer
Material wrapped around
spindle.
Remove disc and remove
material.
8.7.2 Replacing a Disc,
page 158
Cutting too low in rocky
field conditions.
Decrease mower
conditioner angle.
Increase flotation.
7.6 Mower Conditioner
Angle, page 96
and
Mower conditioner float
set too heavy.
Increase flotation.
7.1.1 Adjusting the Float,
page 86
Ground speed too high
in rocky field conditions.
At high ground speed,
mower conditioner 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 Cutter Blades,
page 163
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220
Rev. D