22
Schedule for regular maintenance Per use
Every 20 hours
or in the first
month of initial
use
Every 50 hours
or every 3
months
Every 100 hours
or every 6
months
Every 300 hours
or every year
Engine oil
Inspect the oil
level
•
Replace • •
Air filter
Inspect •
Clean • (1)
Fuel strainer
bowl
Clean •
Spark plug Clean • Replace
Valve clearance Readjust • (2)
Cylinder head Wash Every 3000 hours (2)
Fuel tank and
strainer
Wash Every 2 years (2)
Oil tube Replace Every 2 years (2)
(1) Maintenance should be conducted more frequently if the unit is used in dusty conditions.
(2) Maintenance should be conducted by an authorized Stanley generator dealer