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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. For
these types of repairs call 1-800-4-MY=HOME®
for more information.
NOTE:
Please read the California/EPA
statement that came with the unit
for a complete
listing of terms and coverage for the emissions
control devices, such as the spark arrestor, muffler, carburetor, etc
FREQUENCY
MAINTENANCE
REQUIRED
SEE
Every 10 hours
Clean and re-oil air filter
p. 7
Every 25 hours
Check spark plug condition and gap
p. 8
LiNE INSTALLATION
This section covers both SplitLine®
and standard single line installation.
Always use original equipment manufacturer
0.095 in. (2.41 mm) replacement
line. Line other than the specified
may make the engine overheat or fail.
There are two methods to replace the trimming line:
Wind the inner reel with new line
Knob
Install a prewound inner reel
Bolt
Removing
the Existing
inner Reel
1.
Hold the outer spool with one hand and
unscrew the bump knob counterclockwise
(Fig. 14). Inspect the bolt inside the
bump knob to make sure it moves freely.
Replace the bump knob if damaged.
Fig.14
2.
Remove the inner reel from the outer
Outer
Spool
spool (Fig. 15).
3.
Remove spring from the inner reel (Fig. 15).
-_
4.
Use a clean cloth to clean the inner reel,
\
spring, shaft, and inner surface of the
--_
outer spool.
5. Check the indexing teeth on the inner
\\
reel and outer spool for wear (Fig. 16). If
necessary, remove burrs or replace the
Fig.15
reel and spool,
index Teeth
NOTE:
Always use the correct line length
when installing trimming line on
the unit. The line may not release
properly if the line is too long.
Single Line Installation
Go To Step 8 for SplitLine®
Installation:
6. Take approximately
20 feet (6 m) of new
Fig.16
trimming line, loop it into two equal
. j.//_/-
lengths. Insert each end of the line
through one of the two holes in the inner
reel (Fig. 17). Pull the line through the
inner reel so that the loop is as small as
possible.
7. Wind the lines in tight even layers onto the
reel (Fig. 18). Wind the line in the direction
Loop
indicated on the inner reel. Place an index
finger between the two lines to stop the
Fig.17
lines from overlapping.
Do not overlap the
ends of the line. Proceed to step 12.
SplitLine®
InstaUation
8. Take approximately
10 feet (3 m) of new
trimming line. Insert one end of the line
through one of the two holes in the inner
reel (Fig. 19). Pull the line through the inner
\
reel until only about 4 inches is left out.
Fig.18
9.
Insert the end of the line into the open
hole in the inner reel and pull the line tight
to make the loop as small as possible
(Fig. 19).
10. Before winding, split the line back about
6 inches.
11. Wind the line in tight even layers in the
direction
indicated on the inner reel.
Loop
NOTE:
Failure to wind the line in the
Fig.19
direction indicated will cause the
cutting head to operate incorrectly.
12. Insert the ends of the line into the two holding slots (Fig. 20).
13. Insert or slide the ends of the line through or into the eyelets in the outer
spool and place inner reel with spring inside the outer spool (Fig. 21).
Push the inner reel and outer spool together.
NOTE:
The spring must be assembled on
the inner reel before reassembling
the cutting head.
14. While holding the inner reel and outer
spool, grasp the ends and pull firmly to
release the line from the holding slots in
the spool.
15. Hold the inner reel in place and install the
bump knob by turning clockwise. Tighten
securely.
Installing a Prewound Reel
1. Hold the outer spool with one hand and
unscrew the bump knob counterclockwise
(Fig. 14). Inspect the bolt inside the
bump knob to make sure it moves freely.
Replace the bump knob if damaged.
2.
Remove the old inner reel from the outer
spool (Fig. 15).
Fig.
20
P,
\index
Teeth
Fig.
21
3.
Remove the spring from the old inner reel (Fig. 15).
4.
Place the spring in the new inner reel.
NOTE:
The spring must be assembled on the inner reel before
reassembling
the cutting head.
5. Insert or slide the ends of the line through or into the eyelets in the outer
spool (Fig. 21).
6.
Place the new inner reel inside the outer spool. Push the inner reel and
outer spool together. While holding the inner reel and outer spool, grasp
the ends and pull firmly to release the line from the holding slots in the
spool.
7. Hold the inner reel in place and install the bump knob by turning
clockwise. Tighten securely.
AIR FILTER MAINTENANCE
Cleaning
the Air Filter
The air filter is an important
item to maintain. Failure to maintain the air filter
properly can result in poor performance
or can cause permanent damage to
the engine.
1. Open the air filter cover by pressing the
Lock Tab
AirFilterCover
lock tab in and pulling out on the air filter
cover (Fig. 22).
2.
Remove the air filter (Fig. 22).
3.
Wash the filter in detergent and water.
Rinse the filter thoroughly and allow it to
dry.
4.
Apply enough clean SAE 30 motor oil to
Air Filter
lightly coat the filter.
Fig. 22
5. Squeeze the filter to spread and remove excess oil.
6.
Replace the air filter into the base plate (Fig. 22).
NOTE:
Operating the unit without the air filter WILL VOID the warranty.
7. Reinstall the air filter cover. Position the two small tabs on the air filter
cover into the two slots in the base plate and press the air filter cover
down, making sure to align the lock tab with the lock tab slot, until it
snaps into place (Fig. 22).
IDLE SPEED ADJUSTMENT
The idle speed of the engine is adjustable. An idle adjustment
screw is
between the air filter cover and the engine starter housing (Fig. 23).
NOTE:
Careless adjustments
can seriously damage the unit. An
authorized service dealer should make carburetor adjustments.
If, after checking
the fuel mixture and cleaning the air filter, the engine still will
not idle, adjust the idle speed screw as follows:
WARNING,
Cutting head may spin during idle speed
adjustments.
Wear protective
clothing and observe all safety
instructions
to prevent serious personal injury.
1. Start the engine and run for one minute to warm up. Refer to Starting/
Stopping
Instructions.
2.
Release the throttle trigger and let the
engine idle. If the engine stops, insert a
small Phillips screwdriver
into the idle
adjustment
screw (Fig. 23). Turn the idle
speed screw clockwise
1/8 of a turn at
a time (as needed) until the engine idles
smoothly.
3.
If the engine appears to be idling
Fig. 23
too fast, turn the idle speed screw
counterclockwise
1/8 of a turn at a time (as needed), to reduce idle
speed.
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