Generac 004451, 004582 Portable Generator User Manual


 
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Use Champion RC12YC spark plug or equivalent.The correct air gap is
0.76 mm (0.030 in.).
Replace the plug once each year.
This
will help your engine start easier and run better.
1. Stop the engine and pull the spark plug wire off of the spark plug.
2. Clean the area around the spark plug and remove it from the
cylinder head.
3. Set the spark plug's gap to 0.76 mm (0.030 in.). Install the correctly
gapped spark plug into the cylinder head.
Figure 18 - Spark Plug Gap
3.4 SERVICE AIR CLEANER
Your engine will not run properly and may be damaged if you run it
using a dirty air cleaner. Clean or replace the air cleaner paper filter
once a year. Clean or replace more often if operating under dusty
conditions. Clean foam pre-cleaner every month or more often under
dusty conditions.
Figure 20 - Air Cleaner
To clean or replace foam pre-cleaner:
Remove air cleaner cover, then foam pre-filter.
Wash pre-cleaner in soapy water. Squeeze pre-filter dry in clean
cloth (DO NOT TWIST).
Clean air cleaner cover before re-installing it.
To clean or replace paper air filter:
Remove air cleaner cover; then remove foam pre-filter (service if
necessary) and remove paper filter.
Clean paper filter by tapping it gently on a solid surface. If the filter
is too dirty, replace it with a new one. Dispose of the old filter
properly.
Clean air cleaner cover then slip pre-cleaner over filter. Next insert
new paper filter into the base of the air cleaner. Re-install air cleaner
cover.
Note: To order a new air filter, please contact the
nearest authorized service center at 1-800-333-1322.
3.5 CLEAN SPARK ARRESTOR
SCREEN
The engine exhaust muffler has a spark arrestor screen. Inspect and
clean the screen at least once each year. If unit is used regularly,
inspect and clean more often.
NOTE: If you use your generator on any forest-
covered, brush-covered or grass-covered unimproved
land, it must equipped with a spark arrestor.The spark
arrestor must be maintained in good condition by the
owner/operator.
Clean and inspect the spark arrestor as follows:
Remove the screen retaining bracket by removing the screw.
Slide the spark arrestor screen out from the tail pipe.
Inspect screen and replace if torn, perforated or otherwise
damaged. DO NOT USE a defective screen. If screen is not
damaged, clean it with commercial solvent.
Replace the screen and the retaining bracket.
Section 3 — Maintenance
Commercial-Industrial-Residential Portable Generator System
Pre-Cleaner
Filter
Cover
Base