ST MP 84 Série Manuel D'utilisation page 50

PROBLEM
11. Uneven mowing and
insufficient collection
(for rear collection
models only)
12. Uneven mowing
for side (discharge
models only)
13. Unusual vibrations
while working
14. Uncertain or
ineffective braking
15. Erratic forward
movement, poor drive
when going uphill or
if the machine has a
tendency to rear up
16. With the engine
running, the machine
does not move when
the drive pedal is
pressed (hydrostatic
transmission models)
17. The machine starts to
vibrate abnormally and/
or has hit an object
If problems persist after having performed the above operations, contact your dealer.
PROBABLE CAUSE
cutting-means assembly is
not parallel to the ground
i nefficient cutting means
forward speed too high
compared to height of grass
collector channel is blocked
cutting-means assembly is
not parallel to the ground
i nefficient cutting means
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 the gear
disengagement position
damaged or loose parts
check the tyre pressure (par. 6.1.3)
reinstate the alignment of the
cutting-means assembly in relation
to the ground (par. 8.2.1)
contact your Dealer
reduce the forward speed and/or raise
the cutting-means assembly (par. 6.5.4)
wait for the grass to dry
remove the grass catcher and empty
the discharge chute (par. 7.4.2)
check the tyre pressure (par. 6.1.3)
reinstate the alignment of the
cutting-means assembly in relation
to the ground (par. 8.2.1)
contact your Dealer
clean the cutting-means
assembly (par. 7.4.4)
contact your Dealer
check and tighten all the
engine and frame bolts
contact your Dealer
contact your Dealer
return it to the gear engaged
position (par. 5.13)
stop the machine and remove
the ignition key
inspect for damage
check for and tighten any loose parts
have all checks, repair work and
replacements carried out by a
specialized Centre only.
EN - 24
REMEDY