Rato R1250HIS-4, Owner'S Manual

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If any item in the Pre-operation check is not working properly, have it inspected
and repaired before operating the generator.
The condition of a generator is the owner’s responsibility. Vital components
can start to deteriorate quickly and unexpectedly, even if the generator unused.
TIP: Pre-operation checks should be made each time the generator is used.
4.3 PRE-OPERATION CHECK
Pre-operation check
Fuel (See page 15)
Ь Check fuel level in fuel tank.
Ь Refuel if necessary.
Engine oil (See page 16)
Ь Check oil level in engine.
Ь If necessary, add recommended oil to specified level.
Ь
Check generator for oil leakage.
The point where abnormality was recognized by use
Ь Check operation.
Ь If necessary, add recommended oil to specified level.
Ь If necessary, consult our company authorized dealer.