Trouble | Remedy |
|
|
Remote contactor control does not | Check and tighten connections to Remote 14 receptacle RC5 (see Section |
activate contactor. |
|
|
|
Lack of high frequency; difficulty in | Use proper size tungsten for welding amperage. |
establishing Gas Tungsten Arc Weld- |
|
ing arc. |
|
|
|
| Reduce leakage of high frequency from torch or work cable (check grounding, remove excessive |
| coils from weld cables, use shorter weld cables, etc.). |
|
|
| Check cables and torch for cracked or deteriorated insulation or bad connections. Repair or replace |
| necessary parts. |
|
|
Wandering arc – poor control of arc | Reduce gas flow rate. |
direction. |
|
|
|
| Select proper size tungsten. Properly prepare tungsten. |
|
|
Tungsten electrode oxidizing and not | Shield weld zone from drafts. |
remaining bright after conclusion of |
|
weld. |
|
|
|
| Increase postflow time. |
|
|
| Check and tighten all gas fittings. |
|
|
| Properly prepare tungsten. |
|
|
No 115 volts ac output at Remote 14 | Reset circuit breaker CB12 (see Section |
receptacle RC5. |
|
|
|
No 24 volts ac output at Remote 14 re- | Reset circuit breaker CB11 (see Section |
ceptacle RC5. |
|
|
|
B. Auxiliary Power
Trouble | Remedy |
|
|
No power output. | Reset circuit breakers (see Section |
|
|
| Have Factory Authorized Service Agent check brushes, slip rings, voltage regulator board PC8, intercon- |
| necting board PC2, and control board PC1. |
|
|
Low power output. | Check air cleaner, and clean or replace element if necessary. |
|
|
| Check engine speed, and adjust if necessary (see Section |
|
|
| See engine manual. |
|
|
High power output. | Check engine speed, and adjust if necessary (see Section |
|
|
Erratic power output. | Check receptacle wiring and connections. |
|
|
| Check governor according to engine manual. |
|
|
| Have Factory Authorized Service Agent check brushes, slip rings, voltage regulator board PC8, intercon- |
| necting board PC2, and control board PC1. |
|
|