Breakdowns And Solutions - OREC HR531 Instruction Manual

you face with the problems below, refer to "solution" and take the appropriate action.
If
* For engine, refer to engine manual.
PROBLEM
Cut grass is not
discharged well.
Some grass
remains.
Cut into
the ground.
Belts are slipping.
Cannot change
mowing speed.
There is
big vibration.
Mowing workload
is heavy.
Tires are slipping.
Fuel cap
popped out.
* If you have any questions or do not understand any points, please contact your dealer.

BREAKDOWNS AND SOLUTIONS

POSSIBLE CAUSE
Grass is wet.
Grass is tall.
Cutting height is too low.
Engine power is too low.
Mowing speed is too high.
Mowing speed is too high.
Engine power is too low.
Blade is blunt, worn out or broken. Replace the blade with a new one.
Some grass is stuck inside of
rotary cover.
Grass is tall.
Cutting height is too low.
Turning speed is too high.
The ground is wave-shaped.
The ground is bumpy
and has many ups and downs.
Blade is bent or deformed.
Belt tension is too low.
Foreign objects are stuck inside of
rotary cover.
Some grass is stuck on pulley.
Belt is worn out.
Gear position is misaligned.
Fault of transmission.
Blades are poorly balanced.
Blade is damaged.
Blade drum is bent.
Belt is broken.
A new blade and an old blade are
installed.
Some grass is stuck on blade
drum.
Engine power is too low.
Mowing speed is too high.
Some grass is stuck on/around
blade shaft.
Grass is tall.
Cutting height is too low.
The ground is soft.
Too much transmission oil
(Too high internal pressure)
SOLUTION
Wait until grass sets dry.
Mow with higher cutting height first.
Raise the cutting height.
Increase the power to the max.
Decrease the speed.
Decrease the speed.
Increase the power to the max.
Clean up and take out grass
inside of the cover.
Mow with higher cutting height first.
Raise the cutting height.
Turn slowly.
Change the direction of mowing.
Raise the cutting height.
Replace the blade with a new one.
Adjust belt tension.
Clean up inside of the cover.
Clean up pulley.
Replace the belt with a new one.
Adjust change wire.
Repair the transmission.
Replace all blades.
Replace the blade with a new one.
Replace Blade drum ASSY with a new
one.
Replace the belt with a new one.
Do not install new and old blades together.
Remove the stuck grass on blade drum.
Increase the power to the max.
Decrease the speed.
Clean up the blade.
Mow with higher cutting height first.
Raise cutting height.
Wait until the ground gets dry.
Take out some oil to
the recommended level.