GGP ITALY MP 84C Manuel D'utilisation page 75

PROBLEM
3. W ith the key on «START» the
light comes on but the starter
motor does not run
4. W ith the ignition key turned to
«START» the starter motor runs
but the engine does not start
5. S tarting is difficult or the engine
runs erratically
6. W eak engine performance
during cutting
7. T he engine shuts down whilst
working
8. T he cutting means do not
engage or do not stop promptly
when they are disengaged
9. U neven mowing and poor grass
collection
10. U nusual vibrations while
working
11. Uncertain or ineffective braking
12. E rratic forward movement,
poor drive when going uphill or
if the machine has a tendency
to rear up
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LIKELY CAUSE
– i nsufficiently charged battery
– m alfunction on the starter relay
– i nsufficiently charged battery
– f aulty fuel supply
– f aulty ignition
– faulty carburetion
– f orward speed too high in relation
to cutting height
The safety device of the electronic
circuit board has cut in due to:
– t he safety devices have cut in
– p roblems with the engagement
mechanism
– c utting-means assembly is not
parallel to the ground
– i nefficient cutting means;
– f orward speed too high
compared to the height of grass
being cut
– c ollector channel is blocked
– c utting-means assembly is full
of grass
– t he cutting means are
unbalanced or loose
– l oose bolts and screws
– t he brake is not adjusted
correctly
– p roblems with the belt or the
engagement device
17
SOLUTION
– r echarge the battery (see 6.2.3)
– c ontact your Dealer
– r echarge the battery (see 6.2.3)
– c heck the level in the tank
(see 5.3.3)
– o pen the fuel stopcock (if fitted)
(see 5.4.1)
– c heck the fuel filter
– c heck that spark plug cap is
securely fitted
– c heck that the electrodes are
clean and have the correct gap
between them
– c lean or replace the air filter
– e mpty the fuel tank and refill with
fresh fuel
– c heck and replace the fuel filter if
necessary
– r educe the forward speed and/or
raise the cutting height
(see 5.4.5)
Turn the ignition key to «STOP»
and look for the cause of the
problem:
– c heck that all starting conditions
are met (see 5.2.b)
– c ontact your Dealer
– c heck the tyre pressure
(see 5.3.2)
– r einstate the alignment of the
cutting-means assembly in
relation to the ground (see 6.3.1)
– c ontact your Dealer
– r educe the forward speed and/
or raise the cutting-means
assembly (see 5.4.5)
– w ait for the grass to dry
– r emove the grass catcher and
empty the collector channel
(see 5.4.7)
– c lean the cutting means
assembly (see 5.4.10)
– c ontact your Dealer
– c heck and tighten all the engine
and frame bolts
– c ontact your Dealer
– c ontact your Dealer