Check Gun Electrical Grounding - Graco Pro Xp 60 WB Instructions Manual

Gun Setup
Check Gun Gun Electrical Electrical Grounding
Check Check Gun Electrical
Megohmmeter Part No. 241079 is not approved
for use in a hazardous area. (In Figure 14, item
AA.) To reduce the risk of sparking, do not use
the megohmmeter to check electrical grounding
unless:
• The gun has been removed from the hazardous
area;
• Or all spraying devices in the hazardous area
are turned off, ventilation fans in the hazardous
area are operating, and there are no flammable
vapors in the area (such as open solvent
containers or fumes from spraying).
Failure to follow this warning could cause fire,
explosion, and electric shock and result in serious
injury and property damage.
Graco Part No. 241079 Megohmmeter is available
as an accessory to check that the gun is properly
grounded.
1. Have a qualified electrician check the electrical
grounding continuity of the spray gun and air
hose.
2. Turn OFF (O) the ES On-Off switch.
3. Turn off the air and fluid supply to the gun. Follow
the Pressure Relief Procedure, page
fluid hose must not have any fluid in it.
32
Grounding
Grounding
33. The
4. Disconnect the fluid hose.
5. Make sure the red-colored grounded air hose
(HG) is connected and the hose ground wire is
connected to a true earth ground.
6. Measure the resistance between the gun
handle (BB) and a true earth ground (CC). The
resistance should not exceed 100 ohms.
Figure 14 Check Gun Electrical Grounding
7. 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.
Flush Before Flush Flush Before Using Before Using Equipment Using
The equipment was tested in fluid at the factory. To
avoid contaminating your fluid, flush the equipment
with a compatible solvent before using the equipment.
Follow the steps in Flushing, page
Equipment Equipment
35.
3A7504A