2. Place a suitable collection container
beneath the engine.
3. See
Figure
4-1. Remove oil fill cap (A).
Figure 4-1. Changing Engine Oil
4. Remove the oil drain plug (B) and discard
the washer (C). Drain oil completely.
5. Place a new washer on the oil drain plug.
Install oil drain plug and tighten securely.
6. Add
recommended
necessary. See
7. Install oil fill cap, and finger tighten.
8. Wipe up any spilled oil.
9. Properly dispose of oil in accordance with
all applicable regulations.
Service Air Cleaner
Engine will not run properly and may be damaged
if run with a dirty air cleaner. Service air cleaner
more frequently in dirty or dusty conditions.
To service air cleaner:
1. Remove air cleaner cover.
2. Remove filter element(s).
3. Inspect filter element(s) and replace if
damaged. To order replacements, contact
Generac Customer Service at 1-888-
GENERAC (888-436-3722) for the name
of your nearest Independent Authorized
Service Dealer.
4. Clean foam filter element in warm soapy
water. Rinse, and allow to dry thoroughly.
Dip in clean engine oil and squeeze out
excess oil.
5. Tap paper filter element several times on
hard surface to remove dirt. Compressed
air (not exceeding 30 psi (207 kPa) can
also be used to blow through filter element
from the inside.
6. Use a clean, damp cloth to wipe dirt from
inside air cleaner cover.
7. Put cleaned or new filter element(s) in
place. Verify gasket is in place (if
equipped).
8. Install air cleaner cover. Tighten air
cleaner screws or fasteners securely.
Owner's Manual for Water Pump
A
D
C
B
000776
engine
oil
Add Engine
Oil.
Service Spark Plug
To service spark plug:
1. See
Figure
plug (A).
2. Remove and inspect spark plug.
3. See
Figure
with wire feeler gauge and replace spark
plug if gap (A) is not within 0.028 - 0.031 in
(0.70 - 0.80 mm).
B
as
Figure 4-2. Service Spark Plug
Figure 4-3. Spark Plug Gap
NOTE: Replace spark plug if electrodes are
pitted, burned or porcelain is cracked. Use
ONLY recommended replacement plug. See
product specification sheet.
4. Install spark plug finger tight, and tighten
an additional 3/8 to 1/2 turn using spark
plug wrench. DO NOT OVERTIGHTEN.
Inspect Muffler and Spark Arrestor
(if equipped)
NOTE: It is a violation of California Public
Resource Code, Section 4442, to use or
operate 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, maintained
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
replacement parts.
Inspect muffler for cracks, corrosion, or other
damage. Remove spark arrestor, if equipped,
inspect for damage or carbon blockage.
Replace parts as required.
Maintenance and Troubleshooting
4-2. Clean area around spark
4-3. Inspect electrode gap (B)
A
ONLY
original
000134a
000211
equipment
11