Test Power Supply Resistance
1.Remove the power supply (11). See Power Supply Removal and Replacement, page 45.
2.Remove the alternator (15) from the power supply. See
Alternator Removal and Replacement, page 46.
3.Measure resistance from the power supply's ground strips (EE) to the spring (11a). The resistance should be:
•
•
4.If outside this range, replace the power supply. If in range, go to Test Gun Barrel Resistance, page 34.
5.If you still have problems, refer to Electrical Troubleshooting on page 23 for other possible causes of poor performance, or contact your Graco distributor.
Electrical Tests
6.Be sure the spring (11a) is in place before reinstalling the power supply.
Figure 18 Test Power Supply Resistance
3A2495C | 33 |
