GENMAX GM12000ED, User Manual

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19
SERVICE AND MAINTENANCE
WARNING
Please shut down the engine first before performing any maintenance. The engine shall be placed in a
horizontal position. In order to prevent the engine from starting up, separate spark plug cap shall be
separated from spark plug.
Do not use it indoors or use it in a tunnel, cave or other places ventilated poorly. Make sure that work area
is well ventilated. Exhaust gas from the engine contains toxic gases, carbon oxides, and the inhalation can
cause shock, loss of consciousness, and even death.
Spark plug inspection
1
Spark plug is an important part of the generator, which must be inspected regularly.
Remove the high voltage assembly;
1.
Insert the screwdriver into the sleeve, to screw it counterclockwise, and then
remove the spark plug;
2.
Check whether there is discoloration, and remove carbon deposits.Check
whether there is little pale to moderate brown on ceramic cores around
center electrode of the spark plug;
3.
Check the model of spark plug and clearance.
Standard spark: GAS 5357
Spark plug gap: 0.65-0.85mm
4.
0.65~0.85mm
Tip: The spark plug clearance is required to be measured by line thickness gauge, which shall be adjusted if
necessary.