Dolmar RM-72.13 H Manual De Instrucciones página 71

PROBLEM
11. Uneven mowing and poor grass
collection
12. Unusual vibrations while
working
13. Uncertain or ineffective braking
14. Erratic forward movement,
poor drive when going uphill or
if the machine has a tendency
to rear up
15. With the engine running, the
machine does not move when
the drive pedal is pressed
16. The machine starts to vibrate
abnormally
If problems persist after having performed the above operations, contact your dealer.
WARNING! Do not take on complicated repair work without the necessary equipment and
technical knowledge. The guarantee is automatically revoked and the manufacturer declines
all responsibility for any poorly effected repairs.
LIKELY CAUSE
– 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»
– damaged or loose parts
17
SOLUTION
– check the tyre pressure
(see 5.3.2)
– reinstate the alignment of the
cutting-means assembly in
relation to the ground (see 6.4.1)
– 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 it to position «A» (see 4.33)
– stop the machine and
disconnect the spark plug cable
– inspect for damage
– check for and tighten any loose
parts.
– have all checks, repair work and
replacements carried out by a
specialized Centre only