John Deere GM2084 Lawn Mower User Manual


 
6 - TROUBLESHOOTING
WARNING: Be sure tractor engine is off, parking brake is locked, and key is
removed before making any adjustments.
T
ROUBLESHOOTING
34 FRONTIER
G
ROOMING
M
OWER
O
PERATOR
S
M
ANUAL
Increase ground speed.
Increase tractor rpm, check
engine and PTO speeds.
Ground speed too low.
Tractor rpm too slow.
Cut grass windrows.
Allow grass to dry.
Maintain engine speed and shift
to lower gear.
Sharpen blade. See Blades
Maintenance section.
Change blades.
Too wet to mow.
Blades cannot cut grass
pressed down by wheels.
Dull blades.
Blades worn down, preventing
overlap.
Streaking conditions
in swath.
Check belt size.
See Replacing Belts section.
Wrong belt size.
Installed belts incorrectly.
Belts are tight when
installing.
Allow grass to dry.
Raise mower, shift to lower
gear, make two passes over
grass. Mow grass high 1st pass,
2nd pass cut to desired height.
Increase tractor rpm, check
engine and PTO speeds.
Wet grass.
Grass too high.
Tractor rpm too slow.
Grass build up at exit.
Tighten belts.Belts slipping.Belt squeal.
Remove object.
Replace belts.
Object wrapped around blade.
Belts damaged.
Mower vibrates.
Tighten belt.
Remove object.
Clean pulleys.
Lack of tension.
Object clogging mower.
Debris in pulleys.
Belt slippage.
Blade should turn CCW when
you face deck bottom. See
Blades Maintenance section.
Direction of blades is wrong.Blades turning but not
cutting.
Check washer location at all 3
spindles.
Shift to lower gear.
Sharpen blades.
Adjust wheel position.
Cup washer not between
blade and bolt.
Ground speed too fast.
Blades need sharpening.
Caster wheels uneven.
Uneven cutting.
SOLUTIONPOSSIBLE CAUSEPROBLEM