12
Service Item
100
Hours
50
Hours
25
Hours
5
Hours
Each
Use
Service Operation
Air Filter—
Cartridge
Clean or replace the cartridge every 100
hours or each mowing season. Replace it
more frequently in dusty or dirty
conditions.
X
Spark Plug
Inspect and clean the spark plug every
25 operating hours. Replace the spark
plug every 100 operating hours or when
necessary.
X
Blade
Sharpen or replace the blade; maintain it
more frequently if edge dulls quickly in
rough or sandy conditions.
X
Blade Brake
Check the stopping time every 50
operating hours or at the start of each
mowing season. The blade must stop
within three seconds of releasing the bail;
if it does not, see your Authorized Service
Dealer for repair.
X
Self-propel
Drive
Adjust the cable and grease the
rear-height adjustor brackets.
X
Fuel System
Check for leaks and a deteriorating fuel
hose. Replace it if necessary.
X
Belt Cover
Remove and clean the grass, clippings,
and debris from under the cover.
X
Cooling System
Clean debris from the engine air cooling
fins and the starter. Clean the cooling
system more frequently in dirty operating
conditions.
X
Fuel Tank
Empty the fuel tank before certain repairs
as directed or before storage.
CAUTION
POTENTIAL HAZARD
•
If you leave the wire on the spark plug, someone could start the engine.
WHAT CAN HAPPEN
•
Someone accidentally starting the engine could seriously injure you or other bystanders.
HOW TO AVOID THE HAZARD
•
Disconnect the wire from the spark plug before you do any maintenance. Set the wire aside
so that it does not accidentally contact the spark plug.