Replacing The Spark Arrestor - Toro 51948 Manuel De L'opérateur

7. Rinse the air filter and let it dry completely.
8. Work two drops of oil into the air filter.
9. Replace the air filter (fits only one way).
10. Replace the air filter cover.
11. Tighten the air filter cover by turning the knob clock-
wise.
12. Replace the spark plug boot.
Note: Replace the air filter as indicated by the maintenance
schedule.
Air Filter
Cover

Replacing the Spark Arrestor

See Figure 9.
NOTICE:
The spark arrestor on this product has not been
evaluated by the USDA Forest Service and
cannot be used on U.S. forest lands. In addition,
product users must comply with Federal, State,
and local fire prevention regulations. Check
with appropriate authorities. Contact customer
service to purchase a replacement spark arrestor.
WARNING:
Stop engine, remove spark plug boot, and allow
engine and muffler to cool before replacing
the spark arrestor. Contact with a hot muffler
or engine could cause burns or other serious
personal injuries.
Note: Depending on the type of fuel used, the type and
amount of lubricant used, and/or your operating conditions,
the exhaust port, muffler, and/or spark arrestor screen may
become blocked with carbon deposits. If you notice a power
loss with your gas powered tool, you may need to remove
16
Air Filter
Knob
Figure 8
these deposits to restore performance. We highly recom-
mend that only qualified service technicians perform this
service.
The spark arrester may need to be cleaned or replaced
replaced after repeated use. If replacement is necessary, use
Toro part number 000998216.
To replace the spark arrester:
1. Remove the five screws that hold the cover.
Note: Removing these screws requires the use of a T20
and T25 torx screwdriver.
2. Remove the cover.
3. Remove the two screws holding the muffler assembly in
place.
4. Remove the muffler assembly and muffler gasket. It
may be necessary to work the muffler assembly free
from the muffler gasket.
5. Separate the muffler cover from the muffler.
6. Remove the three screws that hold the plates on the
muffler.
7. Remove the spark arrester.
8. Replace the old spark arrester with the new one.
9. Reassemble the muffler by reinstalling the plates and
tightening the three screws [torque to 7 in.lb (0.79 Nm)
minimum, 13 in.lb. (1.46 Nm) maximum].
10. Reassemble the muffler and muffler cover and attach to
the muffler gasket with the two screws.
11. Reinsert the muffler assembly and tighten two screws to
engine [torque to 60 in.lb (6.78 Nm) minimum, 80 in.lb.
(9.04 Nm) maximum].
12. Reinstall the cover on the tool and fasten with the five
screws [torque to 16 in.lb. (1.81 Nm) minimum,
22 in.lb. maximum].
(2.49 Nm)
Note: Do not overtighten screws.
Cover
Screw(s)
Arrestor
Muffler
Plate
Gasket
Muffler
Muffler
Spark
Cover
Screw(s)
Screw(s)
Figure 9
Maintenance