Graco Inc ti1600a, 309292S, ti1248a important safety instructions Test Power Supply Resistance

Test Power Supply Resistance

Electrical Tests

6.Be sure the spring (18b) is in place before reinstall- ing the power supply.

1.	Remove the power supply (18), page 30.
2.	Remove the turbine alternator (19) from the power
	supply, page 31.
3.	Measure resistance from the power supply's ground
	strips (EE) to the spring (18b). See FIG. 7.
4.	The resistance should be 95-105 megohms for the
	PRO Xs3, and 135-150 megohms for the PRO Xs4.
	If outside 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 23 for other possible causes
	of poor performance, or contact your Graco distribu-

18b

EE

ti1599a

tor.

Fig. 7. Test Power Supply Resistance

309292S 19