SPARK PLUG SERVICE
7-6
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Honeywell Portable Generator Service Manual
7.3 SPARK PLUG SERVICE
To ensure proper engine operation, the spark plug must
be properly gapped and free of deposits.
1.
Measure the spark plug gap with a wire feeler gauge.
Gap should be: 0.028-0.031 in. (0.70-0.80 mm).
2.
If necessary, adjust gap by carefully bending side
electrode.
3.
Torque spark plug to 27-30 N•m (19.9-22.1 lb. ft.).
Recommended Spark Plug Replacement: 100842A
7.4 CLEANING SPARK ARRESTOR
SCREEN
The generator muffler is equipped with a spark arrestor
screen, which must be cleaned according to the mainte-
nance schedule (see Table 7-1) to ensure prevention of
sparks escaping generator.
1.
Stop the engine if it is running. Allow it to completely
cool.
2.
Be sure the generator is set on a flat, level surface.
3.
Using a socket wrench with an 8 mm socket, remove
the spark arrestor enclosure panel bolts.
4.
Pull off enclosure panel.
5.
Using a screwdriver, loosen and remove screw hold-
ing spark arrestor clamp (A).
If the engine has been running, the plug will reach
temperatures that could cause severe burns. Do
not touch.
FIGURE 7-11:
Correct Spark Plug Gap
NOTICE
The spark plug must be securely tightened. An improperly
tightened spark plug can become very hot and could dam-
age the engine. Never use spark plugs that have an
improper heat range. Use only recommended spark plugs or
equivalent.
Bosch
W20EPR
Champion
RN9YC
Denso
WR7DC
TABLE 7-3.
Spark Plug Equivalents to 100842A
.028-.031 IN.
(.70 - .80M)
Muffler reaches temperatures that can cause serious
burns if touched. NEVER touch hot surfaces.
To clean spark arrestor screen, you will need:
Socket wrench with 8 mm socket
Phillips head screwdriver
Wire brush
FIGURE 7-12:
Remove Spark Arrestor Enclosure Panel
FIGURE 7-13:
Spark Arrestor Assembly
A
B
C
WARNING
WARNING
