Kohler Command Pro CV980 Manual do Utilizador Página 51

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7.1
7
Section 7
Electrical System and Components
This section covers the operation, service, and repair
of the electrical system components. Systems and
components covered in this section are:
Spark Plugs
ȱ Ȋȱ Ĵ¢ȱȱȱ¢
Electric Starter
ȱ Ȋȱ ȱȱ¢ȱǻȱȱǼȱ
Spark Plugs
ȱęȱȱȱȱȱĞȱȱ
¢ȱȱȱȱȱȱȱȱȱȱȱȱ
condition.
The engine is equipped with the following spark
plugs:
Type: ȱȱȱȱȱȱ
®
ŗŖȱǻȱȱǯȱŜŘȱŗřŘȱŖŚȬǼǯȱ
ȱȱȱȱȱȱȱ
used.
Gap: ŖǯŝŜȱȱǻŖǯŖřŖȱǯǼ
Thread Size:ȱ ŗŚȱ
Reach: ŗşǯŗȱȱǻřȦŚȱǯǼ
Hex Size:ȱ ŗśǯşȱȱǻśȦŞȱǯǼ
Spark Plug Service
Every 200 hours of operation, remove each spark
ǯȱȱȱȱȱȱȱȱȱȱ
replace with a new plug as necessary. Replace spark
plugs every 600 hours. To service the plugs, perform
the following steps:
ȱ ŗǯȱ ȱȱȱȱǰȱȱȱȱ
ȱȱȱȱȱȱȱȱȱȱ
ȱȱȱȱǯ
ȱ Řǯȱ ȱȱȱȱȱȱǯȱȱ
“Inspection” following this procedure. Replace
the plug if necessary.
DZȱ ȱȱȱȱȱȱȱȱ
ȱȱǯȱȱȱȱ
remain in the spark plug and enter the
engine causing extensive wear and
damage.
řǯȱ ȱȱȱȱȱȱȱǯȱȱ
the gap to 0.76 mm (0.030 in.)ȱ¢ȱ¢ȱ
ȱȱȱǯȱȱȱŝȬŗǯ
Figure 7-1. Servicing Spark Plug.
ȱ Śǯȱ ȱȱȱȱȱȱ¢ȱȱ
and torque to ŘŚǯŚȬŘşǯŞȱȉȱǻŗŞȬŘŘȱĞǯȱǯǼ.
Inspection
Inspect each spark plug as it is removed from
the cylinder head. The deposits on the tip are an
indication of the general condition of the piston rings,
ǰȱȱǯ
ȱȱȱȱȱȱȱȱȱ
photos:
Wire Gauge
Spark Plug
Ground
Electrode
0.76 mm
(0.030 in.) Gap
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