0478 111 9953 B - EN
70
– Reduce mowing speed and/or select
correct cutting height (do not work at
lowest cutting height). ( 9.4), ( 13.9)
– RM 650 VS, RM 655 RS, RM 655 VS,
RM 655 YS: Set throttle lever to Start
position. ( 13.5)
Fault:
Excessive vibration during operation
Possible cause:
– Blade fastening screw loose.
– Blade imbalance due to incorrect
sharpening or fracture.
– Cutting unit defective.
– Engine mounting loose.
Remedy:
– Tighten blade fastening screw. ( 14.4)
– Re-sharpen (balance) or replace blade.
( 14.5),
– Check blade, blade shaft and blade
fastening and repair if necessary.
– Tighten engine mounting bolts.
22.1 Handover confirmation
22.2 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.
22. Service schedule
Service performed on
Next service date
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