20
PROBLEM
CAUSE
REMEDY
Drop in engine performance while cutting
- Advance speed too high for the grass height
- Reduce speed
- Lift the cutting deck by a few notches
Engine stops when blades are engaged
- No consent given for blade engagement
- Check the PTO microswitch
- Operator sitting in driving seat
- Close the basket
- Engage the slow speed
Uneven and insufficient cutting
- Cutting deck not parallel with the ground
- Check tyre pressures
- Restore deck parallelism
- Blades not cutting correctly
- Check blades are fitted properly
- Sharpen or replace blades
- Adjust PTO belt tensions
- Advance speed too high for the grass height and
- Reduce advance speed
lawn conditions
- Grass duct blocked
- Remove the deck and empty the grass duct
- Check the engine revolutions, max 2800 G/1’
Vibration while working
- Blades not balanced
- Balance blades or replace them if damaged
- Loose screws
- Check and tighten the screws that retain the blades,
the engine and the chassis
Oil light comes on
- Insufficient oil pressure
- Check oil level and top up if necessary
- Change oil filter
IMPORTANT
To move the machine when the engine is switched off, you must unscrew two revolutions of the screw,
which is on the hydrostatic pump (fig. 26); pay attention because in this way the efficiency of the automatic
braking device is null, tow the machine at low speed and only for little distances, max 100 mt, to avoid the
hydraulic pump or the engine seizing.
IMPACT WITH A STONE OR SOME OTHER FOREIGN OBJECT
- Stop the machine.
- Turn off the engine and pull the parking brake.
- Lift up the lawnmower.
- Check the blade fixing screws and the deck state.
- Please check that in is not in the impeller or in the pipe.
MECHANICAL PARKING BRAKE
You need keep adjusted this device wire (fig. 27). The brake is engaged pushing the handle up; to unlock push
the push button and lower the handle.
Use always the parking brake even if when the engine is switched off the machine is automatically braking. The
engine keeps on even if the parking brake is pulled and the operator get off the driving seat.
PARKING AND EMERGENCY BRAKE ADJUSTMENT
The brake pedal must have about 3 mm of travel, before apply the brake hydraulic pump.
For this reason, it has got a slotted hole rather than the hole for the mechanical connection with the pump (fig. 27).
Summary of Contents for FD 1500 4WD
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