Maintenance
EN-16
Spark Plug
A spark plug that is dirty, pitted, carbon-covered or
has worn electrodes may cause hard starting and poor
operation.
Replace spark plug once a season or clean every 25
hours, whichever occurs first. Use a Champion
RJ12C spark plug or equivalent.
1.
Pull wire off spark plug. Remove spark plug and
clean with a wire brush, removing carbon
build–up. DO NOT SAND BLAST. Check
condition of plug for cracks and damaged or
worn electrodes. Replace if necessary.
2.
Set spark plug gap at .035 inch (.85 mm)
(Fig. 21).
986
.035 in.
(.85 mm)
Figure 21
3.
Install spark plug by hand, then torque to
180 in.–lbs. (15 ft.–lbs.) (20 N
m) (Fig. 22).
1053
1
Figure 22
1.
Spark plug wire
4.
Reconnect spark plug wire when maintenance is
completed (Fig. 22).
Clean Mower Housing
A clean mower housing provides the best cutting
performance. Check for grass build–up and clean
after each use.
1.
Disconnect spark plug wire (Fig. 22).
2.
Tip mower onto right side (Fig. 23).
1128
Figure 23
POTENTIAL HAZARD
•
Gasoline is extremely flammable, highly
explosive and under certain conditions can
cause personal injury or property damage.
WHAT CAN HAPPEN
•
Tipping mower may cause fuel leakage
from carburetor or fuel tank.
HOW TO AVOID THE HAZARD
•
Avoid fuel spills by running engine dry or
remove gas with hand pump, never siphon.
3.
Scrape built-up grass clippings and dirt from
mower housing with a hardwood scraper.
4.
Reconnect spark plug wire when maintenance is
completed.