Installation Guide
39
18-SG02D1-1A-EN
Engine Maintenance
Utilize the following table to maintain the engine system. This will ensure many years of dependable service. 
This symbol “●” indicates when a maintenance item needs to be performed.
Items Remarks
1st Use 
Check 
First 30 
Hours
Every 50
Hours
Every 
100
Hours
Every 
200
Hours
Every 
400
Hours
Every 
1000
Hours
Oil 
Check Oil Level
● ● ●
Replace
● ●
Oil Filter Replace
● ●
Air Filter
Clean
● ●
Replace Filter Element
●
Spark Plug
Check
●
Replace
●
Cooling 
System
Check Coolant Level and
Leakage Occurs
● ● ● ● ● ●
Clean radiator
●
Check the fan running condition
●
Check radiator hose connection
● ●
Change the coolant
●
Gas Valve Check/adjust 
● ●
Gas Line Check the gas line for damage
● ●
Exhaust 
System
Check to see if there is leakage, 
tighten or replace if needed
● ●
Screws and 
Nuts
Check all screws & nuts tighten
if loose.
● ●
Water Pump 
Belt
Adjust tension
● ●
Replace
●
Aging Wires
Check all wires for aging
situation and if the connectors are 
loose or not 
● ●
Timing Belt Depends on the wear pattern Change Every 1200 Hours
Additional system maintenance
• Keep the generator clean.
• Add lubrication oil and antirust at the frictional position
• Check all the screws loosen or not, and tighten them










