Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
|
|
| ||
| TROUBLESHOOTING & REPAIR | |||
Observe Safety Guidelines |
|
| TROUBLESHOOTING GUIDE | |
detailed in the beginning of this manual. |
| |||
|
|
|
| |
PROBLEMS |
| POSSIBLE AREAS OF | RECOMMENDED | |
(SYMPTOMS) | MISADJUSTMENT(S) | COURSE OF ACTION | ||
|
|
|
|
|
|
|
| FUNCTION PROBLEMS |
|
The engine will NOT go to high | 1. Check the welding cables and | 1. The Idler PC board may be | ||
speed when either a welding load |
| auxiliary load leads for loose or | faulty. | |
or an auxiliary load is connected to |
| faulty connections. |
| |
the Classic II. | The machine has | 2. | Check for mechanical restric- |
|
normal output | and engine speed |
| ||
| tions or missing parts in the idler |
| ||
when the Idler switch is in the “High |
|
| ||
| and throttle linkage (Springs, |
| ||
position. |
|
|
| |
|
| etc.). |
| |
|
|
|
| |
|
|
|
| |
The engine will not shut down. | 1. | Make sure the ignition switch is | 1. Check the fuel solenoid for | |
|
|
| turned off and operating correct- | proper operation. When 12VDC |
|
|
| ly. | is applied to the solenoid at |
|
| 2. On older machines (below serial | leads #58 (+) to | |
|
| solenoid should be open. When | ||
|
|
| number U1940718502), make | |
|
|
| the 12VDC is removed the sole- | |
|
|
| sure Diode Kit | |
|
|
| noid should close, stopping fuel | |
|
|
| been installed. | |
|
|
| flow to the engine. | |
|
|
|
| |
|
|
|
|
|
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
