How To Clean The Air Filters (Flat Type); How To Check The Spark Plug - Craftsman 536.885600 Operator's Manual

MAINTENANCE
HOW TO CLEAN THE AIR FILTERS (FLAT TYPE)
NOTE: Never run the engine with the air filters removed. The air
filters will help protect the engine against wear. For the correct
replacement filter, see the parts list for the engine.
1. Loosen screw and tilt cover down (Figure 19).
2. Remove the air filters.
3. Clean the inside of the base and the cover with a cloth.
4. If equipped with a pre-cleaner, separate the pre-cleaner from
the cartridge. Wash the pre-cleaner in a detergent and water
solution. Let the pre-cleaner thoroughly air dry.
CAUTION: Do not wash the filters in gasoline or other
solvents that will burn.
5. To clean the cartridge, lightlytap the cartridge against a hard
flat surface.
6. If the cartridge is very dirty, replace the cartridge.
7. Assemble the air filters.
8. If equipped with a pre-cleaner, the lipof the per-cleaner must
touch the base of the cartridge.
9. Mount the tabs on the cover to the slots in the bottom of the
base.
Pre-cleaner /
Pre-cleaner Lip
Cartridge
Screw
Cover
10. Close the cover and secure with screw.
Base
Figure 19
HOW TO CHECK THE SPARK PLUG
1. Check the gap of the spark plug with a feeler gauge
(Figure 20). The correct gap is 0.030".
2. For easy starting and good performance, replace the spark
plug every two years or after every 100 hours of use.
Feeler Gauge
0.030"
Spark Plug
Figure 20
F-010472M 16