Specifications

WARNING: Contact with hot generator parts can cause severe burns. Always allow the
4.8 Cleaning the Generator Set
WARNING: Wear safety glasses to protect your eyes from flying debris when cleaning
4. Maintenance 12-2008
generator set to cool before performing any maintenance or service.
1. Turn off the generator set and allow it to cool down.
2. Remove the spark plug cap.
3. Clean any dirt from around the spark plug base.
4. Use the wrench supplied in the tool kit to remove the spark plug.
5. Visually inspect the spark plug. Discard it if the insulator is cracked or chipped. If the spark
plug is to be reused, clean it with a wire brush.
6. Measure the plug gap with a feeler gauge. Correct as necessary by carefully bending the
side electrode. The cap should be 0.70-0.80mm (0.028-0.031 inch).
7. Verify that that the spark plug washer is in good condition Thread the spark plug in by
hand to prevent cross-threading.
8. After the spark plug is seated, tighten with a spark plug wrench to compress the washer. If
installing a new spark plug, tighten 1/2 turn after the spark plug seats to compress the
washer. If reinstalling a used spark plug, tighten 1/8-1/4 turn after the spark plug seats to
compress the washer.
No. Description No. Description
1 Side Electrode 2 Metal Brush
FIGURE 21. SPARK PLUG MAINTENANCE
Refer to the "Maintenance Schedule" section for scheduled cleaning of the generator set. Clean
more often in dusty environments. Remove spilled oil and fuel from the generator set
immediately with a dry rag. Dispose of cleaning rags properly. Use a damp cloth to clean dust
and dirt from the generator set. Do not use cleaning solvents, which can damage electrical
components.
the generator set with compressed air.
34 914-0103 (Issue 3)