MacDon R80 Rotary Disc - Manual (Page 97)

TROUBLESHOOTING
Form # 169089
95
Model Year - 2009
8.2 MECHANICAL
SYMPTOM PROBLEM SOLUTION SECTION
Bent cutter blade. Replace blade. 7.8.4.3
Conditioner roll timing off. Check roll timing and adjust if
necessary.
6.12.5.2
Excessive Noises
Conditioner roll gap too small. Check gap and adjust if
necessary.
6.12.5
Excessive Vibration Or Noise
In Header
Mud deposits on conditioner
rolls.
Clean rolls.
6.10
Conditioner rolls contacting each
other.
Increase roll gap.
6.12.5
Check roll timing. 6.12.5.2
Excessive Heat In Cutterbar Too much oil in cutterbar. Drain oil and refill with
specified amount.
7.8.2
Frequent Blade Damage Mud on cutterbar. Remove mud from cutterbar.
Do not allow mud to dry on
cutterbar.
6.10
Spindle bearing failure. Replace spindle bearing. See
MacDon
Dealer.
Material wrapped around
spindle.
Remove disc and remove
material.
7.8.3.1
Cutting too low in rocky field
conditions.
Decrease header angle.
Increase flotation.
6.12.3 &
6.12.4
Header float set too heavy. Increase flotation. 6.12.4
Ground speed too high in rocky
field conditions. Note-high
ground speed tends to dig rocks
from ground instead of floating
over them.
Reduce ground speed.
6.12.8
Blade incorrectly mounted. Check all blade mounting
hardware ensure blades are
free to move.
7.8.4.3
Bevel up blades more
susceptible to damage.
Switch to bevel down blades.
7.8.4.3
Excessive Wear Of Cutting
Components
Header angle too steep. Reduce header angle.
6.12.3
Crop residue and dirt deposits
on cutterbar.
Clean cutterbar.
6.10
Mud on cutterbar. Remove mud from cutterbar.
Do not allow mud to dry on
cutterbar.
6.10