RedMax RWRH21, Operator'S Manual

Page: 26 / 28

26 – English
TROUBLESHOOTING
Troubleshooting schedule
!
WARNING! If service operations or troubleshooting does not require the machine to be on, the
engine should be switched off, and the spark plug wire disconnected from the spark plug.
Problem Probable cause Potential Solution
The machine
does not start
Incorrect starting procedure. See instructions under the heading Starting and stopping.
Air filter clogged Clean the air filter. Replace if necessary.
There is no fuel in the fuel tank Refill with fuel
Spark plug defective Replace the spark plug.
Spark plug cable disconnected.
Check that the spark plug wire is connected to the spark
plug.
Loose blade or broken blade adapter Tighten blade bolt or replace blade adapter.
Defect operator presence control bar Contact an authorized service workshop.
Fuel valve lever (if equipped) in OFF postion Turn fuel valve lever to the ON position.
The battery voltage is too low (if equipped) Charge the battery.
Battery connected incorrectly (if equipped) Connect battery to engine
Blown fuse (if equipped) Replace fuse
Less power
Height of cut too low.
Raise height of cut.
Cutting extremely tall grass
Air filter clogged Clean the air filter. Replace if necessary.
Buildup of grass, leaves and trash under
mower
Clean underside of mower housing.
Too much oil in the engine Check the engine’s oil level
Walking speed too fast Cut at slower walking speed.
Uneven mowing
Worn, bent or loose blade Replace the blade if it is bent or damaged.
Wheel heights uneven Set all wheels at same height
Buildup of grass, leaves and trash under
mower
Clean underside of mower housing.
Excessive
vibrations
Worn, bent or loose blade Replace the blade if it is bent or damaged.
Bent engine crankshaft Contact an authorized service workshop.
Starter rope hard
to pull
Engine flywheel brake is on when the operator
presence control bar is released
Depress the operator presence control bar to upper
handle before pulling starter rope.
Bent engine crankshaft Contact an authorized service workshop.
Blade adapter broken Contact your service agent.
Incorrect starting procedure. See instructions under the heading Starting and stopping.
Grass catcher
not filling (if
equippped)
Cutting height too low Raise height of cut.
Worn blade Replace the blade
Catcher not venting air Clean / Inspect Grass Catcher
Difficult to push
the machine
forward
Cutting extremely tall grass
Raise height of cut.
Cutting height too low
Grass catcher too full Empty the grass catcher
Handle height not right for you Adjust handle height (if equippped)
Drive starts
feeling slow
Belt wear
See instructions under the heading Replacing the drive
belt.
Belt off of pulley
Worn, damaged or untensioned clutch wire
For more information, see the ”Starting and Stopping”
section.