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15
MICRONAIR AU8000 SPRAYER
UNSTEADY ENGINE RPM OR TENDENCY TO STOP
Fault Remedy
9. Loose spark plug Tighten spark plug
10. See points 5 - 8 above
11. Ignition lead damaged or not making Fasten or replace lead
contact
ENGINE IDLE UNSTEADY
Fault Remedy
12. Idle advance jet obstructed Clean
13. Idle advance screw requires adjustment Adjust
ENGINE DOES NOT DEVELOP MAXIMUM POWER
Fault Remedy
14. Carburettor jet contaminated Clean
15. Spark plug contaminated Clean and check gap
setting (0.4 - 0.5 mm)
16. Choke closed. Move lever to position A (see
starting instructions)
17. Filter in the fuel valve or at the Clean filters
carburettor inlet is dirty
18. Air filter dirty Clean
19. Exhaust hole obstructed. Remove exhaust and clean as far as
the exhaust hole in the cylinder
20. Air entering through gaskets of Tighten screws and nuts, replace
carburettor flanges, cylinder base etc gaskets if necessary
21. Wear of engine crankshaft seals Replace seals
EXCESSIVE VIBRATION
Fault Remedy
22. Broken blade on blower rotor Check rotor (a quick inspection
can be made by removing the
rear cushion)
23. Debris inside blower Open casing and clean