SERVICE AND MAINTENANCE

WARNING

Always stop engine and disconnect spark plug wire before performing any maintenance or adjustments. Always wear safety glasses during operation or while performing any adjustments or repairs.

GENERAL RECOMMENDATIONS•Always observe safety rules when performing any maintenance.

•The warranty on this yard vacuum does not cover items that have been subjected to operator abuse or negligence. To receive full value from warranty, operator must maintain the equipment as instructed here.

•Some adjustments will have to be made periodically to maintain your unit properly.

•Periodically check all fasteners and make sure these are tight.
ElectrodePorcelain

.020 inch (.51 mm) gap Figure 16

ENGINE MAINTENANCEChecking the Spark Plug

Clean spark plug and reset the electrode gap to 0.020” at least once a season; replace every 100 hours of operation.

•Clean area around the spark plug base. Do not sandblast spark plug. Spark plug should be cleaned by scraping or wire brushing and washing with a commercial solvent.

•Remove and inspect the spark plug. Check gap to make sure it is set at .020”. See Figure 16.

•Replace the spark plug if electrodes are pitted, burned, or the porcelain is cracked.

Servicing the Air Cleaner

CAUTION

Do not use pressurized air or solvents to clean the air cleaner cartridge.

The air cleaner prevents damaging dirt, dust, etc., from entering the carburetor and being forced into the engine and is important to engine life and performance. The air cleaner consists of a pleated filter. Never run the engine without an air cleaner completely assembled.

Clean or replace the air cleaner every 25 hours of operation.

1.Loosen screw and tilt plastic housing cover on side of engine down. See Figure 17.

2.Remove air filter from plastic housing cover and replace with clean or new filter.

3.Insert cover’s tabs into slots in bottom of base.4.Tilt cover up into place and tighten screw.NOTE: If the filter is torn or damaged in any way, replace it.

Figure 17

16