![](/images/new-backgrounds/1328497/32849767x1.webp)
7.8Servicing Optional Spark Arrestor
YStop engine and let cool.
1 Spark Arrestor
2 Cleanout Plug
Remove plug and remove any dirt covering cleanout hole.
3 Exhaust Pipe
Start engine and run at idle speed to blow out cleanout hole. If nothing blows out of hole, briefly cover end of exhaust pipe with fireproof material.
YStop engine and let cool. Reinstall cleanout plug.
3
1
2
Tools Needed:
3/8 in
7.9Welding Troubleshooting
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No weld output. |
| Check control settings (see Section 5.1). | |||||||
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| Check fuses F2 and F3, and replace if necessary (see Section 7.7). | |
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| Have Factory Authorized Service Agent check main rectifier and capacitor C5. | |
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| Check and secure connections to Remote 14 Receptacle RC1. | |
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| Place Output (Contactor) Control switch in On position, or place switch in Remote 14 position and | |
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| connect remote contactor to Remote 14 receptacle RC1 (See Section 5.1). | |
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| Have Factory Authorized Service Agent check brushes and slip rings, main rectifier, integrated | |
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| rectifier SR3, capacitor C5, and circuit boards PC1 and PC6. | |
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Low weld output. |
| Check control settings (see Section 5.1). | |||||||
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| Check fuses F2 and F3, and replace if open (see Section 7.7). | |
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| Check engine speed, and adjust if necessary (see Section 7.6). | |
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| Tune engine according to engine manual. | |
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| Place Amperage Control switch in Panel position, or place switch in Remote 14 position and connect | |
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| remote amperage control to Remote 14 receptacle RC1. | |
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| Have Factory Authorized Service Agent check brushes and slip rings, main rectifier, integrated rectifi- | |
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| er SR3, capacitor C5, Amperage Control R4, and circuit board PC6. | |
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High weld output. |
| Check engine speed, and adjust if necessary (see Section 7.6). | |||||||
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| Have Factory Authorized Service Agent check main rectifier. | |
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