Maintenance Schedule - Craftsman 22-INCH 4-CYCLE SNOW THROWER 247.885550 Operator's Manual

2
1
1. .030 (.76 mm) Gap
2. Electrodes
3. Porcelain
Follow the maintenance schedule given below. Some adjustments will have to be made periodically to maintain your unit
properly. Periodically check all fasteners and make sure these are tight. Keep track of your scheduled service by filling in
the Service Dates field below.
Before servicing, repairing, lubricating or inspecting, disengage all controls and stop engine. Wait until all moving parts have come to a complete stop.
Disconnect spark plug wire and ground it against the engine to prevent unintended starting. Always wear safety glasses during operation or while
performing any adjustments or repairs.
TASKS Before
Each Use
Lubricate Pivot Points
Lubricate drive
mechanism, hex
gear shaft
Grease wheel shaft
Clean equipment
Clean skid shoe
Check V-belts
Check engine oil
Empty fuel system
Maintenance & Service
3
Figure 15

Maintenance Schedule

After After First
Each Use 2 Hours of
Operation



check Spark Plug
Clean spark plug and reset the electrode gap to 0.030" at least once
a season or every 100 hours of operation; replace every 200 hours of
operation.
1. Clean area around the spark plug base.
2. Remove and inspect the spark plug. Check gap, make sure it is set
at .030. See Figure 15.
3. Replace the spark plug if electrodes are pitted, burned, or the
porcelain is cracked.
NOTE: Do not sandblast spark plug. Spark plug should be cleaned by
scraping or wire brushing and washing with a commercial solvent.
Warning
After 25 Before
Hours of Storage
Operation


1
Once a SERVICE DATES
Season


