F19
F20
(1)
F21
English
9. Maintenance
■PROCEDURES TO BE PERFORMED AFTER
EVERY 100 HOURS OF USE
1.Remove the muffler, insert a screwdriver into the vent, and wipe away any carbon buildup. Wipe away any carbon buildup on the muffler exhaust vent and cylinder exhaust port at the same time.
2.Tighten all screws, bolts, and fittings.
■AIR INLET NET
IMPORTANT
•Blowing air is taken in from the air inlet net. When air flow has dropped down during operation, stop the engine and inspect the air inlet net for blocking by obstacles.
•Note that failure to remove any such obstacles may result in the engine becoming overheated and damaged.
(1) Net
WARNING
Never use the blower without the net of the blower. Before each use, check that the net is attached in place and is free from any damage.
■IGNITION COIL AIR GAP INSPECTION
•If the gap is out of standard or when installing the coil or rotor, adjust the air gap between the ignition coil and the iron core of the rotor.
Air Gap:
0.40mm (0.35 ~ 0.45mm) 0.016" (0.014 ~ 0.017")
(1)Rotor
(2)Ignition coil
40
