Section 6
Maintenance
NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to an authorized service dealer.
MAINTENANCE SCHEDULE
These required maintenance procedures should be performed at the frequency stated in the table. They should also be included as part of any seasonal tune- up.
To prevent serious injury, never do maintenance or repairs with unit running. Always do mainte- nance and repairs on a cool unit. Disconnect spark plug wire to ensure the unit will not start.
WHEN | MAINTENANCE NEEDED | GO TO: |
Before Starting Engine | Fill fuel tank with fresh unleaded fuel | Page 14 |
| Check oil | Page 20 |
After the First 10 Hours of Use | Change oil | Page 20 |
Every 10 Hours | Clean and | Page 21 |
Every 25 Hours | Change oil | Page 20 |
Every 50 Hours | Check rocker arm to valve clearance and adjust as required | Page |
| Check spark plug condition and gap | Page 23 |
Outer Spool
Spring
Inner Reel
Bolt
Bump Knob
Fig. |
Indexing Teeth |
Fig. |
18 |
LINE INSTALLATION
This section covers both Membrane line and standard single line installation.
Always use manufacturer’s 0.095 inch (2.41 mm) replacement line. Line other than specified may make the engine overheat or fail.
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 with one hand and unscrew the Bump Knob clockwise (Fig.
2.Remove the inner reel from the outer spool (Fig.
3.Remove spring from the inner reel (Fig.
4.Use a clean cloth to clean the the inner reel, spring, shaft, and inner surface of the outer spool.