MK MK-2013HE GX390, Owner'S Manual & Operating Instructions

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MK-20 SERIES MAINTENANCE
Engine Air Filter Inspection, Cleaning and Replacement
(A)
Clean the Air Filter. Refer to
Engine Manual for details.
For all Engine related maintenance and troubleshooting refer to the Engine Manual.
Spark Plug Adjustments and Replacement
Electrical System
(A)
When installing the Spark Plug,
ensure the threads are aligned with
the threads in the engine so as not to
“cross-thread” the plug.
CAUTIoN
CAUTIoN
DO NOT work around the engine while hot.
If the fuse blows, determine the cause of the problem before resuming operations.
A fuse protects the battery charging circuit. The fuse and the battery are the only user serviceable
parts of the electrical system, a short circuit or a battery connected in reverse polarity will blow the
fuse. Refer to the Engine Manual for the location and type of fuse. The fuse on the Engine is located
between the starter solenoid and the engine, and is rated at 30 amps.