Maintenance And Repair Instructions - MTD YARD-MAN YM290 Manual Del Usuario

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 any non-road
engine repair establishment, individual or
authorized service dealer.
WARNING:
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.
FREQUENCY
Before starting engine
Every 10 hours
Every 25 hours
Every 50 hours
AIR FILTER MAINTENANCE
WARNING:
always turn your unit off and allow it to cool
before you clean or service it.
Clean and re-oil the air filter every 10 hours of operation.
It is an important item to maintain. Failure to maintain the
air filter will VOID the warranty.
1. Remove the carburetor/air filter cover by pushing on
the tab, located to the right of the cover (Fig. 7).
2. Swing the air filter cover open. It will swing on the
hinges to the left of the cover (Fig. 8).
Air Filter
Cover
To prevent serious
injury, never perform
MAINTENANCE REQUIRED
Fill fuel tank with fresh fuel
Clean and re-oil air filter
Check and clean spark arrestor
Check spark plug condition and gap
Inspect exhaust port and spark arrestor screen for clogging or
obstruction to assure maximum performance levels
To avoid serious
personal injury,
Fig. 7
NOTE: Maintenance, replacement, or repair of the
emission control devices and system may be
performed by any non-road engine repair
establishment, individual or authorized service
dealer.
In order to assure 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 any non-road engine repair
establishment, individual or authorized service dealer for
repair. DO NOT attempt to perform this process yourself
as engine damage may result from contaminants
involved in the cleaning process for the port.
3. Remove the air filter (Fig. 8).
4. Wash the filter in detergent and water. Rinse the
filter thoroughly and allow it to dry (Fig. 9).
5. Apply enough clean SAE 30 motor oil to lightly coat
the filter (Fig. 10).
6. Squeeze the filter to spread and remove excess oil
(Fig. 11).
7. Reinstall the filter and close the air filter cover (Fig. 7).
NOTE: If the unit is operated without the air filter, you will
VOID the warranty.
Tab
REFER TO
Page 8
Page 11
Page 12
Page 13
Page 12
Air Filter
Fig. 8
Tab
11