HP GRACO OR PRO TI1681A manual Check Electrical Grounding, Check Gun Grounding

Installation

Check Electrical Grounding

1.Have a qualified electrician check the electrical grounding continuity of the spray gun and air hose.

2.Turn the ES ON/OFF valve OFF.

I ES O

ti1273a

3.Turn off the air and fluid supply to the gun. The fluid hose must not have any fluid in it.

4.Make sure the red-colored grounded air hose (R) is connected and the hose ground wire is connected to a true earth ground.

ti1259a

5.Using an ohmmeter (AA), measure the resistance between the gun handle (BB) and a true earth ground (CC). The resistance should not exceed 100 ohms. See FIG. 13..

6.If the resistance is greater than 100 ohms, check the tightness of the ground connections and be sure the air hose ground wire is connected to a true earth ground. If the resistance is still too high, replace the air hose.

BB

AA

CC

TI2161A

Fig. 13. Check Gun Grounding

7.Using an ohmmeter (AA), measure the resistance between the cabinet ground lug (214) and a true earth ground (CC). See FIG. 14.. The resistance must be less than 100 ohms.

214

AA

CC

TI2163A

Fig. 14. Check Cabinet Grounding

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