20 – English
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
Engine will not start.
On/stop switch is in
OFF (O)
position.
No fuel.
Fuel valve is closed.
Spark plug faulty, fouled, or
improperly gapped.
Choke lever is in RUN position.
Turn the on/stop switch to
ON (I)
.
Fill fuel tank.
Open fuel valve.
Replace spark plug.
Move choke lever to START position.
Engine lacks power.
Fuel element clogged.
Defective pressure unloader.
Check air filter element. Clean or replace
as needed.
Take compressor to a qualified service
center.
Air tank pressure drops when compres-
sor shuts off.
Loose connections (fittings, tubing, etc.).
Loose drain valve.
Pressure unloader leaking.
Check all connections with soap and
water solution and tighten.
Tighten drain valve.
Take compressor to a qualified service
center.
DANGER:
Do not disassemble pressure
unloader, tank drain valves or safety
relief valve with air in tank — bleed
tanks.
MAINTENANCE
PERIODIC MAINTENANCE SCHEDULE TABLE
NOTE:
If a separate engine manual is provided for this air compressor, please follow the maintenance schedule provided
in the engine manual instead of the maintenance information listed below.
Maintenance Items
Before each use
After first 20 hours
After every 100 hours
Check pump oil level
X
Check engine oil level
X
Check for oil leaks - inspect oil seals, drain
plug, oil plug, sight glass
X
Change pump oil
X
X
Change engine oil
X
X
Check/clean engine and pump air filters
X
Clean and adjust spark plug and electrodes
X
Clean fuel tank inlet screen
X
Clean fuel tank outlet filter
X