3-6
REPLACING SPARK PLUGS
Refer to Table 3-1 for scheduled spark plug replace-
ment. (The genset has two spark plugs, Figure 3-4.)
The spark plugs must be in good condition for prop-
er engine starting and performance. A spark plug
that fouls frequently or has heavy soot deposits indi-
cates the need for engine service. See Section 11.
Troubleshooting.
To prevent cross threading, always thread a spark
plug in by hand until it seats and then torque to
10 lbs-ft (13 N-m) if new, or to 18 lbs-ft (24 N-m) if
being reused.
SPARK
PLUGS
FIGURE 3-4. SPARK PLUGS
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