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15. TROUBLESHOOTING GUIDE
GH 9 WITH FLAIL MOWER - TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
SOLUTION
The engine does not start
Out of fuel
-Check that the fuel tap is open
-Check the fuel level
Throttle is set to zero
-Move the throttle to position 1
Combustion issues
-Check that the choke is applied (if the engine is cold)
-Check that the hole in the tank cap is not blocked
-Check that the carburettor jets are clean
-Check that the spark plug gives a spark
The engine starts but the
machine does not move
forward
The speed control lever is in the neutral position
-Move the lever forward or backward to select the
desired speed
Insufficient cable tension of the forward lever
-Act on the forward lever adjuster, increasing the tension
of the connected cable (see chapter 12.2)
The machine moves
forward even if the forward
lever is not pressed
Excessive cable tension on the forward lever
-Act on the forward lever adjuster, decreasing the
tension of the connected cable (see chapter 12.2)
The engine starts but
the flail mower does not
operate
Insufficient cable tension of the PTO lever
-Act on the PTO lever adjuster, increasing the tension of
the connected cable (see chapter 12.3)
Flail mower drive belt tension
-
Adjust the flail mower belt tension (see chapter 12.5)
The engine does not
switch off
Throttle not in zero position
-Move the throttle to the zero position
Throttle not properly connected to the engine
-Check the throttle and its connection to the engine
Drop in engine
performance during cutting Overload
-Proceed with cutting small areas, avoiding cutting in
areas with many residual shrubs
-Raise the cutting height
The PTO engages even
if the PTO lever is in the
STOP position
Excessive cable tension of the PTO lever
-Act on the PTO lever adjuster, decreasing the tension
of the connected cable (see chapter 12.3)
The engine switches off
when activating the flail
mower
Insufficient engine power output
-Increase power from the throttle
Rotor jammed by an obstruction or wound grass
-
Check for obstructions blocking the flail mower and
remove them
CAUTION: If problems persist after carrying out the actions
described in this manual, contact the authorised service centre.
Never attempt to carry out major repairs without having the
necessary means and technical expertise.
IF YOU HIT A STONE OR ANOTHER FOREIGN BODY
1. Disengage the cutting rotor;
2. Switch off the engine;
3. Pull out the lifting support rod;
4. Tilt the machine, raising the cutting rotor;
5. Insert the lifting support rod into the appropriate holder;
6. Check the integrity of the rotor and blades.
