Service Spark Plug; Air Filter - Generac Power Systems iQ3500 Owner's Manual

7. Once oil is sufficiently drained from unit,
install and tighten drain bolt.
8. Wipe up any spilled oil. Replace rubber
covers.
9. Remove oil fill cap.
10. Insert funnel into oil fill opening. See
ure 4-5. Add recommended engine oil as
necessary.
Figure 4-5. Oil Fill Opening With Funnel
11. To check oil level, remove funnel and
insert dipstick into oil filler neck without
screwing it in. See
12. Remove dipstick and verify oil level is
within safe operating range.
NOTE: Verify oil level often during filling pro-
cess to ensure overfilling does not occur.
13. Install oil fill cap/dipstick and hand-tighten.
14. Wipe up any spilled oil.
15. Properly dispose of oil in accordance with
all applicable regulations.

Air Filter

Engine will not run properly and may be dam-
aged if run with a dirty air filter. Service air fil-
ter more frequently in dirty or dusty conditions.
To service air filter:
1. Unscrew bolt (A) and remove air filter
cover. See Figure
2. Wash filter (B) in soapy water. Squeeze
dry in clean cloth (DO NOT TWIST).
3. Clean air filter cover before installation.
4. Replace side cover and screws.
NOTE: To order a new air filter, contact the
nearest authorized service center at 1-888-
436-3722.
A
Figure 4-6. Air Filter Assembly
Owner's Manual for Portable Generator
Figure 4-2.
4-6.
B
005486

Service Spark Plug

To service spark plug:
1. Remove spark plug cover. See
2. Clean area around spark plug.
3. Remove and inspect spark plug.
Fig-
4. Inspect electrode gap with wire feeler
gauge and reset spark plug gap to 0.6 -
0.7mm (0.024 - 0.028 in). See
002404
NOTE: Replace spark plug if electrodes are
pitted, burned or porcelain is cracked. Use
ONLY recommended replacement plug. See
Product
5. Install spark plug finger tight, and tighten
an additional 3/8 to 1/2 turn using spark
plug wrench.
Inspect Muffler and Spark Arrestor
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
arrestor, 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 arrestor
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 arrestor, if equipped,
inspect for damage or carbon blockage.
Replace parts as required.
Inspect Spark Arrestor Screen
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.
Figure 4-7. Spark Plug
Specifications.
WARNING
Figure 2-1.
Figure 4-7.
000211
(000108)
15