19
IMPORTANT: A cracked, fouled or dirty spark
plug must be replaced. Do not sand blast, scrape or
clean electrodes because grit may eventually release
from the plug and fall into the cylinder. The result
will likely be engine damage.
880
Figure 29
1.
Spark plug wire
3. Set air gap between electrodes of new spark plug at
0.030” (0.76 mm) (Fig. 30). Next, install spark plug in
cylinder head. Tighten plug to 15 ft–lb (20.4 N
m).
110
Figure 30
4. Push the wire onto the spark plug (Fig. 29).
Storage
1. PREPARE THE FUEL SYSTEM:
Note: A fuel stabilizer/conditioner is most effective when
mixed with fresh gasoline.
•
Add Lawn-Boy 2+4
r
Fuel Conditioner to the fuel
tank. Refer to fuel conditioner bottle for instructions.
•
Run engine for ten minutes to distribute conditioned
fuel through fuel system.
•
Stop engine, allow it to cool, and drain fuel tank.
•
Restart the engine again and run it until it stops.
•
Either choke or prime the engine, restart it a third
time and run engine until it will not restart.
•
Dispose of fuel properly. Recycle per local codes.
•
DO NOT store STABILIZED gasoline over 90 days.
2. Remove spark plug from cylinder head. Next, pour
two teaspoons of engine oil into spark plug hole in
cylinder head. Install spark plug in cylinder head, but
do not install wire on the plug. Then pull recoil starter
slowly to distribute oil on inside of cylinder.
3. Lubricate the snowthrower: refer to Lubricating
Snowthrower, page 15. Change crankcase oil: see
Changing Crankcase Oil, page 15.
4. Clean the snowthrower. Touch up chipped surfaces
with paint. Sand affected areas before painting, and
use a rust preventative to prevent metal parts from
rusting.
5. Tighten all screws and nuts. If any part is damaged,
repair or replace it.
6. STORE SNOWTHROWER—Cover snowthrower and
store in a clean, dry place out of the reach of children.
NEVER STORE SNOWTHROWER IN HOUSE
(LIVING AREA) OR BASEMENT WHERE
IGNITION SOURCES MAY BE PRESENT SUCH
AS HOT WATER AND SPACE HEATERS,
CLOTHES DRYERS, AND THE LIKE BECAUSE
GASOLINE AND FUMES ARE HIGHLY
FLAMMABLE, EXPLOSIVE, AND DANGEROUS
IF INHALED. Allow engine to cool before storing in
any enclosure.
If you have a general understanding of internal combustion engines and wish to repair and service your engine yourself,
refer to the Warranty and Repair section in your engine owner’s manual for information on how to obtain a “MECHANICS
HANDBOOK” from Tecumseh Products Company.
