Maintenance and care
27
Spark plugs
Special spark plugs have been developed
for industrial gas engines in continuous
operation.
Use only the plugs specified in the
”Technical Data”.
We recommend that you do not adjust the
spark gap on these special plugs (see
“Technical Data”).
Fit new spark plugs every 2,000 hours
of operation.
Danger:
High voltage! Do not remove
spark plug connectors while en-
gine is running.
Fitting plugs when the engine is cold:
Tightening torque: 27 Nm
(do not grease spark plug thread)
Fitting plugs when the engine is warm:
D Insert spark plugs and tighten by hand.
D Wait until the plugs have reached the
temperature of the engine (at least
2 minutes).
D Tighten with a torque wrench.
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