SERVICE ENGINE
onto precleaner. Squeeze precleaner to distribute oil | plug(s): | |
evenly. Squeeze out excess oil with a clean cloth. | • S1642 and S1742: ONE spark plug | |
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| • S2046: TWO spark plugs. | |
IMPORTANT: Avoid damage! A damaged cartridge | ||
3. Clean spark plug(s) carefully with a wire brush. | ||
(D) can allow dirt into the carburetor and can cause | ||
4. Inspect plug for: | ||
poor engine performance, engine damage or failure: | ||
• DO NOT attempt to clean cartridge by tapping | • Cracked porcelain. | |
against another object. | • Pitted or damaged electrodes. | |
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• Replace cartridge ONLY if very dirty. | • Other wear or damage. | |
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• DO NOT use pressurized air to clean cartridge. | 5. Replace spark plug(s) if necessary. | |
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•If cartridge is damaged or the seal is cracked, replace.
7.Inspect cartridge for damage or excessive dirt. Replace if necessary.
8.Carefully clean air cleaner housing. Prevent any dirt from falling into carburetor.
9.Install foam precleaner (E) mesh side up.
10.Install cartridge. Make sure cartridge and seal are properly seated and sealing the carburetor air intake area.
11.Install air cleaner cover and tighten knobs. DO NOT overtighten.
12.Lower hood.
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| 6. Check plug gap with a wire feeler gauge: |
Checking Spark Plugs |
| • S1742 and S2046: Gap should be 0.76 mm (0.030 | |||
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| • S1642: Gap should be 1.02 mm (0.040 in.) |
CAUTION: Avoid injury! Before you remove |
| 7. To change gap, move the outer electrode. | |||
| 8. Install and tighten spark plug(s): | ||||
| spark plugs, STOP engine and wait until engine |
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| is cool. |
| • If you have a torque wrench, tighten plug(s) to: 20 | ||
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1. Stop engine. LOCK park brake. Remove key. Lift hood. |
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| 9. Connect the spark plug wire(s). |
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| 10.Lower hood. |
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| Replacing Fuel Filter |
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| CAUTION: Avoid injury! Keep cigarettes, |
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| sparks, and flames away from the fuel system. |
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| Make sure engine is cool to the touch. |
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| IMPORTANT: Avoid damage! When disconnecting | |
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| fuel tank hose from filter, be sure to hold hose above |
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| fuel tank level so fuel does not run out. |
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2. Disconnect spark plug wire(s) (A) and remove spark
Service Engine - 31
