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MAINTENANCE
SCHEDULE
,_1
WARNING:
To prevent serious injury, never perform
I maintenance or repairs with unit running. Always service
I and repair a cool unit. Disconnect the spark plug wire to
I ensure that the un t cannot start.
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
Sears or other qualified service dealer. Call 1-800-4-MY-HOME ®
for more information.
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 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 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
SEE
Before starting
Fill fuel tank with fresh fuel
p. 5
engine
Every 10 hours
Clean and re-oil air filter
p. 7
Every 25 hours
Check and clean spark arrestor
p. 8
Check spark plug condition and gap
p. 8
Every 50 hours
Inspect exhaust port and spark
p. 8
arrestor screen for clogging or
obstruction
LINE REPLACEMENT
Always use Craftsman Hassle-Free
TM
XTRA QUIET Spiral Line.
Choose the line size best suited for the job at hand. Red colored line
is designed for cutting grass and small weeds. Black colored line is
designed for cutting larger weeds and light brush.
NOTE:
Before inserting new line into the holes in the cutting head,
identify the proper holes. Follow directions as shown on the
line glide plate. Do Not attempt to remove the cutting head
from the unit when replacing line.
1.
Remove the old line and line glide plate from the cutting head.
2.
Clean entire surface of cutting head. Note positions "A" and
"B" on the cutting head.
3.
Reinstall line glide plate
(Fig. 10). Align arrow with:
"A" when using medium
(red) or large (black) line,
or
"B" when using lines with
diameters smaller than
medium (red)line
NOTE:
Line glide plate must
be reinstalled in
cutting head before
inserting new line.
4.
Insert both ends of your
line through the proper
holes in the side of the
cutting head (Fig. 11).
5.
Pull the line and make
sure the line is against the
hub and is fully extended
through the positioning
tunnels (Fig. 12).
Arrow
Glide Plate
Cuttinc
Head
Fig. 10
_
POsiTtionlng
Fig. 11
6.
Correctly installed line will
be the same length on
both sides.
NOTE:
Make sure that when
installing new line,
that the line is as
close to even as
possible. Any
variation in lengths
Fig. 12
may cause the unit to
vibrate excessively. If this happens, stop the unit and make
sure the line is even.
NOTE:
Do not rest the Hassle-Free
TM
Cutting Head on the ground
while the unit is running.
Some line breakage will occur from:
• Entanglement with foreign matter
• Normal line fatigue
• Attempting
to cut thick, stalky weeds
• Forcing the line into objects such as walls or fence posts
NOTE:
During normal use the trimming line may become worn
unevenly which may cause excessive vibrations in the unit.
If this becomes uncomfortable
or uncontrollable,
stop the
unit and replace the line. Refer to the Line Replacement
instructions
above.
AIR FILTER MAINTENANCE
iA i
To a void
serious
ersona'
in,u a'wa s
turn
your unit off and allow it to cool before you clean or service it.
The condition of the air filter is
important to the operation of the
unit. A dirty air filter will restrict air
flow and change the air/fuel
mixture. This is often mistaken for
Screws
,Screws
an out of adjustment carburetor.
Check the condition of the air filter
before adjusting the idle speed
screw. Referto Air Filter
Maintenance.
Removing
the Air
Filter/Muffler
Cover
1,
Remove the four (4)screws
securing the air filter/
muffler cover (Fig. 13). Use
a flat blade or T20 Torx bit
screwdriver.
2.
Pull the cover from the
engine. Do not force.
Cleaning
the Air Filter
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 above.
2.
Turn cover over and look
inside to locate the air filter.
Remove the air filter from
inside the air filter/muffler
cover (Fig. 14).
3.
Wash the filter in detergent
and water (Fig. 15). Rinse
the filter thoroughly.
Squeeze out excess water.
Allow it to dry completely.
4.
Apply enough clean SAE
30 oil to lightly coat the
filter (Fig. 16).
Fig. 13
Air Filter _r
Fig. 14
J
Fig. 15
Fig. 16
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