Dolmar TM-92.14 Manual De Instrucciones página 68

PROBLEM
4. With the ignition key turned to
«START» the starter motor runs
but the engine does not start
5. Starting is difficult or the engine
runs erratically
6. Weak engine performance
during cutting
7. The engine shuts down whilst
working.
8. The cutting means do not
engage or do not stop promptly
when they are disengaged
9. Uneven mowing and poor grass
collection
10. Unusual vibrations while
working
11. Uncertain or ineffective braking
12. Erratic forward movement,
poor drive when going uphill or
if the machine has a tendency
to rear up
13. With the engine running, the
machine does not move when
the drive pedal is pressed
(hydrostatic transmission
models)
LIKELY CAUSE
– insufficiently charged battery
– faulty fuel supply
– faulty ignition
– faulty carburetion
– forward speed too high in relation
to cutting height
The safety device of the electronic
circuit board has cut in due to:
– the safety devices have cut in
– problems with the engagement
mechanism
– cutting-means assembly is not
parallel to the ground
– inefficient cutting means;
– forward speed too high
compared to the height of grass
being cut
– collector channel is blocked
– cutting-means assembly is full
of grass
– the cutting means are
unbalanced or loose
– loose bolts and screws
– the brake is not adjusted
correctly
– problems with the belt or the
engagement device
– release lever in position «B»
17
SOLUTION
– recharge the battery (see 6.2.3)
– check the level in the tank
(see 5.3.3)
– open the fuel stopcock (if fitted)
(see 5.4.1)
– check the fuel filter
– check that spark plug cap is
securely fitted
– check that the electrodes are
clean and have the correct gap
between them
– clean or replace the air filter
– empty the fuel tank and refill with
fresh fuel
– check and replace the fuel filter if
necessary
– reduce 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:
– check that all starting conditions
are met (see 5.2.b)
– contact your Dealer
– check the tyre pressure
(see 5.3.2)
– reinstate the alignment of the
cutting-means assembly in
relation to the ground (see 6.3.1)
– contact your Dealer
– reduce the forward speed and/
or raise the cutting-means
assembly (see 5.4.5)
– wait for the grass to dry
– remove the grass catcher and
empty the collector channel
(see 5.4.7)
– clean the cutting-means
assembly (see 5.4.10)
– contact your Dealer
– check and tighten all the engine
and frame bolts
– contact your Dealer
– contact your Dealer
– move to pos. «A» (see 4.33)