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Installation
Check the Electrical Grounding
1. Have a qualified electrician check the electrical
grounding continuity of the spray gun and air hose.
2. Make sure the red Graco electrically conductive air
hose (EE) is connected to the gun and the hose
ground wire is connected to a true earth ground.
See Fig. 7.
3. The air and fluid supplies to the fluid hose must be
turned off and the fluid hose must not have any
fluid in it when checking the continuity.
4. Turn the gun ES ON-OFF lever (DD) to OFF.
5. Measure the resistance between the gun handle
(AA) and a true earth ground (BB) with an ohmme-
ter (CC). Resistance should not exceed 100 ohms.
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.
KEY- Fig. 7
AA Gun Handle
BB True Earth Ground
CC Ohmmeter
DD ES ON-OFF Lever
EE Graco Electrically Conductive Air Hose
Fig. 7
BB
EE
AA
DD
CC
05150B