Engine Care; Spark Plug Maintenance; Air Cleaner Maintenance; Cleaning - Craftsman 536.797502 Operating Instructions Manual

ENGINE
_ARK PLUG MAINTENANCE
If the engine is flooded, clean the area
around the spark plug base to prevent for-
eign material from entering the cylinders
when the plug is removed, Remove and dry
the spark plug. Regap the electrodes to
.035" if necessary, if a new spark plug is
needed, refer to the Product Specifications
chart in this manual for the proper replace-
ment. Tighten the spark plug firmly. If a
torque wrench is available, torque the spark
plug to 15 foot- pounds.
AIR CLEANER MAINTENANCE
The air cleaner filter should be cleaned and
re-oiled after every 25 hours of use. Clean
more often under dusty conditions.
IMPORTANT: The engine can be worn out
in a very short period of time if dirt or grit is
allowed to enter the engine,
To clean the air filter, do the following:
o Loosen screws on air cleaner cover and
remove the cover.
- Remove foam element from air cleaner.
Foam Element
ousing Cmier
° Wipe inside of air cleaner housing clean.
- Clean foam element by washing in strong
solution of water and household deter-
gent. Rinse thoroughly in clean water.
• Wrap foam element in clean cloth and
squeeze out (do not twist) all the liquid
until dry.
, Cover the ends and side of the foam
element with same oil used in fuel
mixture_ Knead the foam element
between fingers to distribute oil and
remove excess oilo
- Reinstall foam element in air cleaner
housing.
• Service foam element carefully. Inspect
for deterioration or damage. A defective,
improperly serviced, or mistakenly
assembled air filter will allow dirt particles
to enter the engine.
- Reassemble the filter. Place the cover on
the air cleaner housing and tighten screws
to secure cover to the housing.
_ CAUTION: run engine
Never
without
air cleaner element installed. A defective air
cleaner can result in loss of engine power
and cause excessive wear or damage to en-
gine components if dirtor dust is permitted
to enter the engine through the carburetor.
An air cleaner that is clogged with dust or
dirt should be cleaned and re-oiled.
CYLINDER EXHAUST PORTS
The cylinder exhaust ports should be
cleaned after each seventy-five (75) to one
hundred (100) hours of operation. For this
procedure we recommend that you take
your unit to a Craftsman Service Center.
CLEANING
Always remove the dirt and debris from the
cultivator/tiller after each use. Remove any
string, wire or vegetation that may become
lodged in the mechanism and stop the tine
rotation. Proceed as foilows:
• Release the throttle Control and move the
on.off switch to the OFF position, then
disconnect the spark plug wire.
• Remove the hairpin and clevis pin
securing the tine(s) assembly to the shaft
and remove the tine(s)o
° Remove the lodged material. Reassemble
the tine(s) on the shaft and secure with a
clevis pin and hairpin.
° Reconnect the spark plug wire and restart
the engine.
Front View
Pins Lodged Item Clevis
Trans bission Side
Tines Hairpins "Ha _ins Tines
12