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7. Maintenance
NOTICE
Risk of engine damage!
A loose spark plug may become very hot. Over-tightening of
the spark plug may damage the thread in the cylinder head.
►
Tighten the spark plug to the prescribed torque.
7. Ensure that the sealing washer is satisfactory, then screw
the spark plug back in by hand to avoid cross threading.
When installing a new spark plug, tighten 1/2
turn after it seats to compress the sealing
washer.
When reinstalling the original spark plug,
tighten 1/8 to 1/4 turn after the spark plug
seats to compress the sealing washer.
7.3
Lubricate
8. After the spark plug is seated, tighten it with a spark plug
wrench to compress the sealing washer.
9. Reattach the spark plug connector.
7.4
Changing the abrasive
Maintenance schedule: see ch. 7.1.
Check, adjust, clean and lubricate all other moving parts as
required.
After 50 operating hours lubricate the two grease nipples on
the spindle housing with friction bearing grease, e.g. “SHELL
Retinax A”.
The roller bearings of the rollers and the motor drive shaft are
maintenance-free.
Tools, means, material:
AF 30 open-ended spanner
AF 30 Spanner
New abrasive
1. Set the angle adjustment to the stop in such a way that the
grinding spindle is as horizontal as possible (extended an-
gle adjustment, see ch. 6.6.3).