HP GRACO OR PRO TI1681A manual Test Power Supply Resistance

Test Power Supply Resistance

Electrical Tests

1.	Prepare the gun for service as instructed on page
	41.
2.	Remove the power supply (18), page 46.
3.	Remove the turbine alternator (19) from the power
	supply, page 47.
4.	Measure resistance from the power supply's ground
	strips (EE) to the spring (18b). See FIG. 18..
5.	The resistance should be 95-105 megohms. If out-
	side this range, replace the power supply. If in
	range, proceed to the next test.

18b

EE

ti1599a

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

ing the power supply.

Fig. 18. Test Power Supply Resistance

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