Generac 004451 ,004582 Service Air Cleaner, Clean Spark Arrestor Screen, Spark Plug Gap

Section 3 — Maintenance

Commercial-Industrial-Residential Portable Generator System

Use Champion RC12YC spark plug or equivalent. The correct air gap is

0.76mm (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.

•Wash pre-cleaner in soapy water. Squeeze pre-filter dry in clean cloth (DO NOT TWIST).

•Clean air cleaner cover before re-installing it.

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

Cover

Pre-Cleaner

Base

Filter

To clean or replace foam pre-cleaner:

• Remove air cleaner cover, then foam pre-filter.

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.

3.5CLEAN 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.

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