SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS
Maintenance Schedule
Perform these required maintenance procedures at the frequency stated in the table. These procedures should also be a part of any seasonal
NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to any
NOTE: Maintenance, replacement, or repair of the emission control devices and system may be performed by any
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.
FREQUENCY | MAINTENANCE REQUIRED | REFER TO | |
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Before starting engine | Fill fuel tank with fresh fuel | Page 12 | |
Check oil | Page 19 | ||
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Every 10 hours | Clean and | Page 21 | |
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First change at 10 hours | Change oil | Page 20 | |
Every 25 hours thereafter | Change oil | Page 20 | |
Every 25 hours | Clean spark arrestor | Page 24 | |
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10 hours on new engine | Check rocker arm to valve clearance and adjust | Page 23 | |
Every 25 hours | Check rocker arm to valve clearance and adjust | Page 23 | |
Every 25 hours | Check spark plug condition and gap | Page 24 | |
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Line Installation
This section covers both SplitLine™ and standard single line installation.
Always use Genuine Factory Parts™ 0.095 in. (2.41 mm) replacement line. Using line other than the specified may make the engine overheat or fail.
WARNING: Never use
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 | hand and unscrew the |
bump knob counterclockwise | Figure 31. Inspect |
the bolt inside the bump | make sure it moves |
freely. Replace the bump | damaged. |
Outer Spool
Spring
Inner Reel
Bolt
Bump Knob
Figure 31
2.Remove the inner reel from the outer spool. See Figure 31.
3.Remove spring from the inner reel. See Figure 31.
4.Use a clean cloth to wipe the inner reel, spring, shaft, and inner surface of the outer spool. See Figure 32.
5.Check the indexing teeth on the inner reel and outer spool for wear. If necessary, remove burrs or replace the reel and spool. See Figure 33.
Figure 32
Indexing Teeth
Figure 33
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