Craftsman 316.79497 - Manual (Page 15)

15
MAINTENANCE AND REPAIR INSTRUCTIONS
MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the
frequency stated in the table. These procedures should
also be a part of any seasonal tune-up.
NOTE: Some maintenance procedures may require
special tools or skills. If you are unsure about
these procedures take your unit to a Sears or
other qualified service dealer. Call 1-800-4-MY-
HOME®.
NOTE: Maintenance, replacement, or repair of the
emission control devices and system may be
performed by a Sears or other qualified service
dealer. Call 1-800-4-MY-HOME® for more
information.
In order to ensure peak performance of your
engine, inspection of the engine exhaust port
may be necessary after 50 hours of operation. If
you notice lost RPM, poor performance or
general lack of acceleration, this service may be
required. If you feel your engine is in need of this
inspection, refer service to a Sears or other
qualified service dealer. Call 1-800-4-MY-
HOME® for more information. DO NOT attempt
to perform this process yourself as engine
damage may result from contaminants involved in
the cleaning process for the port.
FREQUENCY MAINTENANCE REQUIRED REFER TO
Before starting engine Fill fuel tank with fresh fuel Page 11
Every 10 hours Clean and re-oil air filter Page 15
Every 25 hours
Check and clean spark arrestor
Check spark plug condition and gap Page 16
Page 17
Every 50 hours
Inspect exhaust port and spark arrestor screen for clogging or
obstruction to assure maximum performance levels
Page 16
AIR FILTER MAINTENANCE
Removing the Air Filter/Muffler Cover
1. Remove the four (4) screws securing the air
filter/muffler cover (Fig. 16). Use a flat blade or
T20 Torx bit screwdriver.
2. Pull the cover from the engine. Do not force.
Cleaning the Air Filter
Clean and re-oil the air filter every 10 hours of operation.
It is an important item to maintain. Failure to maintain
your air filter properly can result in poor performance or
can cause permanent damage to your engine.
1. Remove air filter/muffler cover. Refer to Removing
the Air Filter/Muffler Cover.
2. Turn cover over and look inside to locate the air filter.
Remove the air filter from inside the air filter/muffler
cover (Fig. 17).
3. Wash the filter in detergent and water (Fig. 18). Rinse
the filter thoroughly. Squeeze out excess water. Allow
it to dry completely.
Fig. 16
Fig. 17 Fig. 18
To avoid serious
personal injury,
always turn your unit off and allow it to cool
before you clean or service it.
WARNING:
To prevent serious
injury, never perform
maintenance or repairs with unit running.
Always service and repair a cool unit.
Disconnect the spark plug wire to ensure that
the unit cannot start.
WARNING:
Screws
Screws
Red EZ-Fire™
Lever
Air Filter
Inside Muffler
Cover