21
BREAKDOWNS AND SOLUTIONS
If
you face with the problems below, refer to “solution” and take the appropriate action.
* For engine, refer to engine manual.
PROBLEM
POSSIBLE CAUSE
SOLUTION
Cut grass is not
discharged well.
Grass is wet.
Wait until grass sets dry.
Grass is tall.
Mow with higher cutting height first.
Cutting height is too low.
Raise the cutting height.
Engine power is too low.
Increase the power to the max.
Mowing speed is too high.
Decrease the speed.
Some grass
remains.
Mowing speed is too high.
Decrease the speed.
Engine power is too low.
Increase the power to the max.
Blade is blunt, worn out or broken. Replace the blade with a new one.
Some grass is stuck inside of
rotary cover.
Clean up and take out grass
inside of the cover.
Grass is tall.
Mow with higher cutting height first.
Cut into
the ground.
Cutting height is too low.
Raise the cutting height.
Turning speed is too high.
Turn slowly.
The ground is wave-shaped.
Change the direction of mowing.
The ground is bumpy
and has many ups and downs.
Raise the cutting height.
Blade is bent or deformed.
Replace the blade with a new one.
Belts are slipping.
Belt tension is too low.
Adjust belt tension.
Foreign objects are stuck inside of
rotary cover.
Clean up inside of the cover.
Some grass is stuck on pulley.
Clean up pulley.
Belt is worn out.
Replace the belt with a new one.
Cannot change
mowing speed.
Gear position is misaligned.
Adjust change wire.
Fault of transmission.
Repair the transmission.
There is
big vibration.
Blades are poorly balanced.
Replace all blades.
Blade is damaged.
Replace the blade with a new one.
Blade drum is bent.
Replace Blade drum ASSY with a new
one.
Belt is broken.
Replace the belt with a new one.
A new blade and an old blade are
installed.
Do not install new and old blades together.
Some grass is stuck on blade
drum.
Remove the stuck grass on blade drum.
Mowing workload
is heavy.
Engine power is too low.
Increase the power to the max.
Mowing speed is too high.
Decrease the speed.
Some grass is stuck on/around
blade shaft.
Clean up the blade.
Grass is tall.
Mow with higher cutting height first.
Cutting height is too low.
Raise cutting height.
Tires are slipping. The ground is soft.
Wait until the ground gets dry.
Fuel cap
popped out.
Too much transmission oil
(Too high internal pressure)
Take out some oil to
the recommended level.
* If you have any questions or do not understand any points, please contact your dealer.
