Modern AG Competitor User Manual
Page 42

42 - Competitorrr Cutter
oPeration seCtion
trouBLe
PossiBLe Cause
PossiBLe reMedy
Excessive Vibration
1. Check gearbox bolts.
tighten if loose.
2. Check for loose nuts on blade
tighten if loose.
holder and blades.
3. Check for bent output shaft. if shaft
replace shaft if bent.
is bent, cutter will have excessive
vibration.
4. Check to see if blades are free
Free blades so they swing.
swinging.
5. Check for even wear on each blade
Weigh blades. Weight should be
tip. Change both blades at the same
within 1 oz. always replace both
time.
blades.
6. Blade broken.
replace the set of blades.
7. Blade carrier bent.
replace carrier.
8. Blade hub not properly seated on
tighten shaft nut to 350 torque ft.
shaft (it is loose).
lbs.
9. new blade or bolts matched with
replace blades or bolts in sets.
worn blade or bolts.
Gearbox Overheating
1. Low on lubricant.
Fill to overflow plug.
2. improper type lubricant.
replace with proper lubricant.
3. excessive trash buildup around
remove trash.
gearbox.
4. Bearing or gears set up improperly.
Consult your dealer.
Uneven Cutting
1. Blades not sharp.
Sharpen or replace blades.
2. tractor pto speed turning less
use correct pto speed and check
than 540 rpm.
for correct gearbox ratio. See
specifications.
3. Cutter not level.
See Cutting Height adjustment.
4. tractor tires mashing down grass.
reverse direction of cutting and
drive with one tractor tire out of
cutter overlap area. Conditions too
wet to cut.
5. Ground speed too fast.
reduce ground speed by shifting to
a lower gear.
6. Blades locked back.
Free blades.
7. Blades riding up due to blade bolt
replace all blade bolt assemblies.
wear or loose bolts.