Service And Maintenance - Craftsman 31AS2S5D799 Operator's Manual

Before performing any type of maintenance/service, disengage all controls
and stop the 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.
Interval Item
Each use 1.
2.
1st 5 hours 1.
Every 5 hours 1.
2.
25 hours 1.
Every season/50 hours 1.
Every season/100 hours 1.
Every season/Before storage 1.
2.
3.
Engine Maintenance
Thoroughly wash your hands with soap and water as soon as possible after
handling used oil.
Oil Recommendations
When adding oil to the engine, refer to the viscosity chart below (Figure 12).
Engine oil capacity is 600 ml (approx. 20 oz.). Do not over-fill. Use a 4-stroke, or an
equivalent high detergent, premium quality motor oil certified to meet or exceed

SERVICE AND MAINTENANCE

MAINTENANCE SCHEDULE
WARNING
Engine oil level.
Snow thrower and exhaust area.
Engine oil.
Engine oil.
Exhaust area.
Spark plug.
Engine oil
Spark plug
Pivot points
Control handle
Extension spring
CAUTION
Figure 12
Follow the maintenance schedule given below. This chart describes service guidelines
only. Use the Service Log column to keep track of completed maintenance tasks. To
schedule service from Sears Parts & Repair, call 1-800-659-5917.
Service
1. Check
2. Clean
1. Change.
1. Check.
2. Clean.
1. Check.
1. Change
1. Clean, replace, re-gap
1. Lubricate
2. Lubricate
3. Lubricate
U.S. automobile manufacturer's requirements for service classification SG, SF. Motor
oils classified SG, SF will show this designation on the container.
NOTE: Please dispose of used motor oil in a manner that is friendly to the
environment. Take it to a recycling center or other collection center.
DO NOT use non-detergent oil or 2-stroke engine oil. It could shorten the
engine's service life.
Changing Engine Oil
Shut off the engine and remove the ignition key before performing any
maintenance. To prevent accidental start-up, disconnect the spark plug boot.
Periodic inspection and adjustment of the engine is essential if high level
performance is to be maintained. Regular maintenance will also ensure a long
service life. The required service intervals and the type of maintenance to be
performed are described in the table above. Follow the hourly or calendar intervals,
whichever occur first. More frequent service is required when operating in adverse
conditions.
Check oil level before each use and every 5 operating hours when the engine is
warm. Refer to Checking and Adding Oil in the Assembly Section.
Change the oil after the first 5 operating hours and every 50 operating hours
thereafter. Engine should still be warm but NOT hot from recent use.
1. Drain fuel from the tank by running the engine until the fuel tank is empty.
Be sure the fuel fill cap is secure.
13
Service Log
CAUTION
WARNING