– Adapt cutting height and mowing speed
to mowing conditions (
Fault:
Excessive vibration during operation
Possible cause:
– Blade fastening screw is loose
– Blade is not balanced
Remedy:
– Tighten blade fastening screw (
– Re-sharpen (balance) or replace blade
(
12.7)
Fault:
Poor cut, lawn turning yellow
Possible cause:
– Mowing blade is blunt or worn,
– Rate of feed is too high in relation to the
cutting height
Remedy:
– Re-sharpen or replace mowing blade
(
12.7)
– Reduce rate of feed and/or select
correct cutting height (
Fault:
Problems switching machine on or
deteriorating motor power.
Possible cause:
– Mowing grass which is too long or too
wet
– Mower housing is blocked
Remedy:
– Adapt cutting height and mowing speed
to mowing conditions (
– Clean mower housing (disconnect
mains plug before cleaning) (
46
8.3)
Fault:
Discharge chute blocked
Possible cause:
– Mowing blade is worn
– Mowing grass which is too long or too
wet
Remedy:
– Replace mowing blade (
– Adapt cutting height and mowing speed
12.6)
to mowing conditions (
20. Service schedule
20.1 Handover confirmation
8.3)
8.3)
12.2)
20.2 Service confirmation
Please hand this instruction manual
to your STIHL specialist dealer in
the case of maintenance operations.
He will confirm the service operations
performed in the pre-printed boxes.
Service performed on
12.7)
Next service date
8.3)
20
0478 121 9919 A - EN