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.
1st 5 - 8 hours
Annually or 50 hours
Annually or 100 hours
† Under heavy load or in high temperatures
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.
Always observe all safety rules found on product labels and in this operator's
manual when performing any maintenance. Safety rules can be found on the
product labels and in this Operator's Manual beginning on page 3.
The warranty on this chipper shredder 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
Some adjustments will have to be made periodically to maintain your unit
Periodically check all fasteners and make sure these are tight.
Checking the Spark Plug
Clean spark plug and reset the electrode gap to 0.030" at least once a season;
replace every 100 hours of operation.
SERVICE AND MAINTENANCE
Engine oil level
Loose or missing hardware
Unit and engine.
Control linkages and pivots
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 locate the nearest Sears Service Center or to schedule service,
simply contact Sears at 1-888-331-4569.
Tighten or replace
Lube with light oil
Clean, check and reset gap, or replace
Run engine until it stops from lack of fuel
or add a gasoline additive to the gas in
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
Remove and inspect the spark plug. Check gap to make sure it is set at .030".
See Figure 6.
Replace the spark plug if electrodes are pitted, burned, or the porcelain is
.030 (.76 mm) gap