Engine Maintenance - Murray 20606X9A Instruction Book

Walk-behind mowers
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MAINTENANCE
ENGINE MAINTENANCE
7.
Check the front wheels. Make sure the
Use the following maintenance section to keep
front wheels tom freely. If the drivesystem
does not disengage correctly, do not oper-
your unit in good operating condition. All the
ate the mower until the drive system is ed-
maintenance
information for the engine is in
justed or repaired by an authorized service
the "Engine InstruclJon Book". Before you start
center.
the engine, read this book.
WARNING: Before you make an
_
inspection,
adjustment
(except
carburetor),
or repair, discon-
nect the wire from the spark
plug.
LUBRICATION
1.
For maximum performance, lubricate the
wheels and all pivot points with engine oil
every 25 hours.
2.
To lubricate the engine, refer to the =Engine
Instruction Book".
NOTE: Do not lubricate the engine stop
cable. Lubricants will damage the cable
and prevent the cable from moving freely.
Replace the cable if bent or damaged.
HOW TO CLEAN THE MOWER HOUSING
WARNING: The blade will rotate
when the engine runs. Before
you clean the mower housing,
stop the engine and disconnect
the wire from the spark plug.
Grass and other debris can keep the mower
from working correctly. After you mow, clean
the mower housing as follows.
1.
Stop the engine.
2.
Disconnect the wire from the spark plug.
3.
Clean the top and the bottom of the mower
housing.
HOW TO CHECKTHEDRIVESYSTEM
Grass and other debris can keep the drive sys-
tem from working correctly. Check the front
wheels as follows.
1.
Stop the engine.
2.
Disconnect the wire from the spark plug.
3.
Check the front wheels. The front wheels
must turn freely. If the front wheels do not
turn freely, remove the front
wheels
(Figure 20).
4.
Remove any grass or debris from the front
drive wheels and the pinion gears.
5.
Remove the belt cover. Use a fiat blade
screwdriver and remove any grass or de-
bris from under the belt cover.
6.
Assemble
the belt cover and the front
wheels.
F-98528
HOWTOADJUSTTHEHEIGHTOF CUT
WARNING: The blade will rotate
when the engine runs. Before
you change the height of cut, dis-
connect the wire to the spark
plug.
Models
With Quick Type Adjusters
To change the height of cut, move the position
of the adjuster arm at each wheel (Figure 21 ).
Make sure each adjuster arm is in the same
position so that the mower will cut level.
1.
Disengage the adjuster arm.
2.
Move _
adjuster arm to another position.
2O
Figure 21

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