Service Spark Plug
To service spark plug:
1. Clean area around spark plug.
2. Remove and inspect spark plug.
3. Inspect electrode gap with wire feeler
gauge and reset spark plug gap to 0.028 -
0.031 in (0.70 - 0.80 mm). See
Figure 4-4. Spark Plug
NOTE: Replace spark plug if electrodes are
pitted, burned or porcelain is cracked. Use
ONLY recommended replacement plug. See
Specifications.
4. Install spark plug finger tight, and tighten
an additional 3/8 to 1/2 turn using spark
plug wrench.
Inspect Muffler and Spark
Arrester
NOTE: It is a violation of California Public
Resource Code, Section 4442, to use or oper-
ate the engine on any forest-covered, brush-
covered, or grass-covered land unless the
exhaust system is equipped with a spark
arrester, as defined in Section 4442, main-
tained in effective working order. Other states
or federal jurisdictions may have similar laws.
Contact original equipment manufacturer,
retailer, or dealer to obtain a spark arrester
designed for exhaust system installed on this
engine.
NOTE: Use ONLY original equipment replace-
ment parts.
Inspect muffler for cracks, corrosion, or other
damage. Remove spark arrester, if equipped,
inspect for damage or carbon blockage.
Replace parts as required.
Inspect Spark Arrester Screen
WARNING
Hot Surfaces. When operating machine, do not
touch hot surfaces. Keep machine away from
combustibles during use. Hot surfaces could
result in severe burns or fire.
1. Loosen clamp (A) and remove screw. See
Figure
4-5.
2. Inspect screen (B) and replace if torn, per-
forated or otherwise damaged. If screen is
not damaged, clean with commercial sol-
vent.
Owner's Manual for Portable Generator
3. Replace spark arrestor cone (C) and
Figure
4-4.
000211
Valve Clearance
Important: Please contact an Independent
Authorized Service Dealer for service assis-
tance. Proper valve clearance is essential for
prolonging the life of the engine.
Check valve clearance after the first fifty-hours
of operation. Adjust as necessary.
• Intake — 0.1 ± 0.02mm (cold), (0.004" ±
• Exhaust — 0.15 ± 0.02mm (cold) (0.006" ±
Storage
General
It is recommended to start and run the genera-
tor for 30 minutes, every 30 days. If this is not
possible, refer to the following list to prepare
unit for storage.
• DO NOT place a storage cover on a hot
• DO NOT store fuel from one season to
• Replace fuel container if rust is present.
(000108)
• Cover unit with a suitable protective, mois-
• Store unit in a clean and dry area.
• Always store generator and fuel away from
screen (B). Secure with clamp and screw.
Figure 4-5. Spark Arrestor Screen
0.0008" inches)
0.0008" inches)
DANGER
Explosion and Fire. Fuel and vapors are extremely
flammable and explosive. Store fuel in a well
ventilated area. Keep fire and spark away. Failure to
do so will result in death or serious injury.
WARNING
Risk of Fire. Verify machine has properly
cooled before installing cover and storing
machine. Hot surfaces could result in fire.
generator. Allow unit to cool to room tem-
perature before storage.
another unless properly treated.
Rust in fuel will cause fuel system prob-
lems.
ture resistant cover.
heat and ignition sources.
C
B
A
009411
(000143)
(000109)
15