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17
MAINTENANCE AND REPAIR INSTRUCTIONS
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.
WARNING:
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.
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.
FREQUENCY MAINTENANCE REQUIRED REFER TO
Before starting engine
Fill fuel tank with fresh fuel
Check oil
Page 12
Page 19
Every 10 hours Clean and re-oil air filter Page 20
First change at 10 hours
Every 25 hours thereafter
Every 25 hours
Change oil
Change oil
Clean spark arrestor
Page 20
Page 20
Page 24
10 hours on new engine
Every 25 hours
Every 25 hours
Check rocker arm to valve clearance and adjust
Check rocker arm to valve clearance and adjust
Check spark plug condition and gap
Page 22
Page 22
Page 24
LINE INSTALLATION
This section covers both SplitLine™ and standard single
line installation.
Always use 0.105 in. (2.67 mm) original equipment
manufacturer 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
• Install a prewound inner reel
Winding the Existing Inner Reel
1. Hold the outer spool with one hand and unscrew the
Bump Knob clockwise (Fig. 31). Inspect the bolt inside
the bump knob to make sure it moves freely. Replace
the bump knob if damaged.
BUMP HEAD
Never use metal-
reinforced line, wire,
chain or rope. These can break off and
become dangerous projectiles.
WARNING:
Indexing Teeth
Fig. 32
Fig. 33
Inner Reel
Spring
Outer Spool
Bump Knob
Bolt
Fig. 31
2. Remove the inner reel from the outer spool (Fig. 31).
3. Remove spring from the inner reel (Fig. 31).
4. Use a clean cloth to clean the the inner reel, spring,
shaft and inner surface of the outer spool (Fig. 32).
5. Check the indexing teeth on the inner reel and outer
spool for wear (Fig. 33). If necessary, remove burrs or
replace the reel and spool.