Test Power Supply Resistance - Graco PRO Auto Xs Series Instructions-Parts List Manual

Test Power Supply
Resistance
1. Remove the power supply (12), page 42.
2. Remove the turbine alternator (13) from the power
supply, page 43.
3. Measure resistance from the power supply's ground
strips (EE) to the spring (12b). See F
4. The resistance should be 135-150 megohms. If out-
side this range, replace the power supply. If in
range, proceed to the next test.
5. If you still have problems, refer to Electrical Trou-
bleshooting on page 31 for other possible causes
of poor performance, or contact your Graco distribu-
tor.
309297K
6. Be sure the spring (12b) is in place before reinstall-
ing the power supply.
16.
IGURE
Fig. 16. Test Power Supply Resistance
12b
Electrical Tests
EE
ti1599a
27