Frontier ST0522, Руководство оператора

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TO ADJUST OR REPLACE THE SPARK PLUG
Check the spark plug every twenty-five ( 25 ) hours. Replace the
spark plug if the electrodes are pitted or burned or if the porcelain
is cracked.
1. Open the access door on the control panel (Figure 27).
2. The spark plug and wire are now visible.
3. Remove the spark plug wire.
4. Clean spark plug and reset gap periodically.
5. Clean area around spark plug base before removal, to prevent
dirt from entering engine.
6. Replace spark plug if electrodes are pitted or burned or if
porcelain is cracked.
7. Clean spark plug by carefully scraping electrodes (do not
sandblast or use wire brush).
8. Be sure spark plug is clean and free of foreign material. Check
electrodes gap with a wire feeler gauge and reset gap to 0.030"
(0.76 mm) if necessary (see Figure 28).
9. Before installing spark plug, coat threads lightly with graphite
grease to insure easy removal.
10. Tighten plug firmly into engine. If torque wrench is available,
torque plug to 18-23 ft-lbs. (24.2-31.2 Nm).
0.030 in.
(0.76 mm)
Figure 28
Access Door
Figure 27
MAINTENANCE
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