Service And Maintenance - Craftsman 1450 Series Operator's Manual

SERVICE AND MAINTENANCE
MAINTENANCE SCHEDULE
7 aati
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.
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.
Tae aa BAe Service Log
Each Use 1. Engine oil level 1. Check
2. Loose or missing hardware 2. Tighten or replace
3. Unit and engine. 3. Clean
Ist 5 - 8 hours 1. Engine oil 1. Change
25 hours 1. Engine oilt 1. Change
2. Air cleaner 2. Replace
3. Control linkages and pivots 3. Lube with light oil
Annually or 50 hours 1. Engine oil 1. Change
2. 'Muffler 2. Inspect
Annually or 100 hours 1. Spark plug 1. Clean, check and reset gap, or replace
spark plug.
Before Storage 1. Fuel system 1. Run engine until it stops from lack of fuel
or add a gasoline additive to the gas in
the tank.
+ Under heavy load or in high temperatures
7
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 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
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 0.030" at least once a season;
replace every 100 hours of operation.
12
Clean area around the spark plug base. Do not sandblast spark plug. Spark
plug should be cleaned by scraping or wire brushing and washing witha
commercial solvent.
Remove and inspect the spark plug. Check gap to make sure it is set at .030".
See Figure 11.
Replace the spark plug if electrodes are pitted, burned, or the porcelain is
cracked.
Electrode Porcelain
P e |—
Lo
«<— .030 (.76 mm) gap
Figure 11