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16
SERVICE AND MAINTENANCE
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.•
ENGINE MAINTENANCE
Checking 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
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.
Loosen screw and tilt plastic housing cover on side of engine 1.
down. See Figure 17.
Remove air filter from plastic housing cover and replace with 2.
clean or new filter.
Insert cover’s tabs into slots in bottom of base.3.
Tilt cover up into place and tighten screw.4.
NOTE: If the filter is torn or damaged in any way, replace it.
Figure 17
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.
Figure 16
.020 inch (.51 mm) gap
Electrode
Porcelain
CAUTION
Do not use pressurized air or solvents to clean the air cleaner
cartridge.