Sealey EWP050 - Manual (Page 4)

Operation Hours Daily
First Month
or 20hrs
Every 3 months
or 50hrs
Every 6 months
or 100 hrs
Every 12 months
or 300hrs
Task
Check and tighten nuts and bolts Check 
Engine oil
Oil Level Check 
Replace  
Replace air cleaner element
Check 
Clean  
Replace 
Spark Plug
Clean / Adjust 
Replace 
Fuel Tank & Fuel Filter Clean 
Fuel Supply Line Check Every 2 years (replace if required)
Carburettor Deposit Cup Clean 
Idling Check / Adjust 
Intake and exhaust valve clearances Check / Adjust 
7.7 SPARK PLUG. To remove the spark plug, pull off the spark
plug lead (fig.9) and remove the spark plug (fig.12) using the
spark plug wrench supplied (fig.10).
Note: Care must be taken if the engine is hot due to the close proximity
of the exhaust silencer to the spark plug.
7.7.1 Clean spark plug using a wire brush and check the insulator for
damage, replace if damaged or at service schedule.
7.7.2 Check the electrode clearance (fig.11) with a feeler gauge,
adjust if required using a plug gap tool.
7.7.3 Replace spark plug and refit plug lead.
fig.12
fig.10
fig.11
fig.9
8. ENGINE MAINTENANCE SCHEDULE
© Jack Sealey Limited Original Language Version EWP050 Issue No.3 (I) - 14/08/13