Troubleshooting - Major MR150 Operator's Manual And Parts List

TROUBLESHOOTING

Fault Cause
Leaves a streak of Blades dull or bent
uncut or partially cut
grass
Carrier RPM too low
Field conditions are so wet that the tractor tire
is pushing grass into mud
Ground speed too fast
Grass
conditions
Possible build-up materials under mower
Material discharges Material too high and too much material
from mower unevenly;
bunches of material
along with swath
Grass wet
Gearbox overheating Low on lubricant
Improper type lubricant
Excessive trash build-up around gearbox
Blade is scalping Mower too low
ground
Field is ridged
Field is too wet
Mower will not cut. Shear bolt sheared
(Shear bolt drive only)
Slipped belts
Broken belts
PTO contacts mower Raising
front frame when raised adjustment of tractor top link
Blades wear too fast Cutting in sandy conditions
Cutting in rocky conditions
Blades wear too fast Blades hitting ground
28
is down from previous weather
mower too high or incorrect
Remedy
Replace blades
Use correct PTO speed
Too wet to mow. Stop operation and wait until it is drier
Reduce ground speed by shifting to a lower gear
Mow in only one direction
Clean mower
Reduce ground speed but maintain 540rpm at tractor
PTO or make two passes over material. Raise mower
for the first pass and lower to desired height for the
second and cut a 90 degree angle to first pass
Allow grass to dry before mowing. Slow ground speed of
tractor but keep engine running at full PTO rpm. Cutting
lower will help
Fill to proper level
Replace with proper lubricant
Remove trash
Raise mower-reset wheels
Cut field at a different angle
Stop and wait until it is dried
Install new shear bolt
Stretch the belts
Replace the belts
Adjust top link or tractor lift stops (See attachments
instructions
Increase cutting height
Increase cutting height
Increase cutting height