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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.
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. Ifyou are unsure about these
procedures take your unit to any non-road engine
repair establishment, individual or authorized service
dealer.
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.
FREQUENCY MAINTENANCE REQUIRED SEE
Before starting engine Fill fuel tank with fresh fuel p. 4
Check oil p. 9
Every 10 hours Clean and re-oil air filter p. 10
1st change at 10 hours Change oil p. 10
2nd change at 25 hours Change oil p. 10
Every 25 hours after Clean spark arrestor p. 13
10 hours on new engine Check rocker arm to valve clearance and adjust p. 11
Every 25 hours Check rocker arm to valve clearance and adjust p. 11
Every 25 hours Check spark plug condition and gap p. 12
i_ WARNING: Never use metal-reinforced line, wire,
chain or rope. These can break off and become
dangerous projectiles.
SPEEDSPOOL ® LINE INSTALLATION
Always use original equipment manufacturer 0.095 inch
(2.41 ram) replacement line. Lines other than those specified
may make the engine overheat or fail.
There are two methods to replace the SpeedSpool® trimming
line:
• Wind the inner reel with new line
• Install a pre-wound inner reel
Winding the Inner Reel With New Line
NOTE: It Is unnecessary to remove the bump knob to install a
new trimming line.
1. Cut two pieces of Top View Of The SpeedSpool®
0.095 inch
(2.41 mm)
trimming line, 10
feet (3 m) long.
2. Hold the outer
spool and turn the
inner reel
counterclockwise
to line up the
arrows on the
outer spool and
inner reel (Fig. 15).
Outer Spool
Arrows
Knob
Fig. 15
WARNING: 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.
3.
4.
5.
6.
7.
8.
Pull old line out of the line Trimming
loading and line locking holes
(Fig. 17 and 18).
Insert a piece of trimming line
straight into one of the two
eyelets in the outer spool.
Push it up through the line
loading hole in the inner reel
(Fig. 16). Do not bend the line
when inserting it into the
eyelet.
Insert the line into the locking
hole (Fig. 17). Do not push the Fig. 16
line more than a 1/2 inch (12.7
ram) into the line locking hole. The line will form a small
loop (Fig. 17) when it is inserted correctly.
Pull the line from the outer spool until the line is tight
against the inner reel (Fig. 18).
Repeat procedures 4-6 with the second piece of line.
Hold the outer spool. Wind the inner reel counterclockwise
until approximately four (4) inches (102 mm) of line remain
(Fig. 19).
Line Locking Hole
Fig. 17 Fig. 18
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