A
B
Replacing the spark plug | STOP |
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CAUTION:
Do not touch the spark plug or plug cap if the engine is running (high voltage).
Switch off the engine before starting any maintenance work. A hot engine can cause burns. Wear protective gloves!
The spark plug must be replaced in case of damage to the
1 insulator, electrode erosion (burn) or if the electrodes are very dirty or oily.
Pull the plug cap (1) off the spark plug. Use only the combina- tion wrench supplied with the saw to remove the spark plug.
CAUTION: Use only the following spark plugs:
NGK BMR 6A or CHAMPION RCJ 8.
| Electrode gap | |
| The electrode gap must be .020" (0.5 mm). | |
| Checking the ignition spark | |
| Press the loosened spark plug with the ignition cable firmly | |
| connected against the cylinder using insulated pliers (not near | |
| the spark plug opening). | |
| Press the | |
.020" | Pull the starter cable hard. | |
If the function is correct, an ignition spark must be visible near | ||
(0,5 mm) | ||
the electrodes. |
Replacing the starter cable
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| Remove the filter cover (see ”Cleaning the air filter”). | |
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| Unscrew four screws (2). Remove fan housing (3). | |
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| Remove all pieces of cable. | |
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| Unscrew the screw (4) and remove the washer. | |
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| Carefully pull off the cord drum. | |
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| Thread in a new cable (1/8" dia. x 35" long) as shown in | |
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| Figure B and tie the ends as shown. | |
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| Pull knot (5) into the cable pulley (6). | |
2 | 3 | Pull knot (7) into the cable grip (8). | |
Put the cord drum back on and turn gently until the return spring | |||
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catches.
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| 7 | Wind the cord clockwise around the drum. Then use the |
| 8 |
| starting handle to pull the cord from the drum, hold the drum | |
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| still and wind the cord around it again. |
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| CAUTION: Danger of injury! Secure the cable grip when |
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| pulled out! It will whip back if the cable pulley is released |
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| by accident. |
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| NOTE: With the cable pulled all the way out, it must still be |
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| possible to turn the pulley another 1/4 turn against the return |
4 | 6 |
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| spring. |
5 |
| When replaceing fan housing, it may be necessary to pull the | ||
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starter cable lightly so that the cable pulley catches. Put the filter and filter cover back on.
C
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