Operation
6
312396D
Ground the System
The following grounding instructions are minimum
requirements for a basic dispensing system. Your sys-
tem may include other equipment or objects that must
be grounded. Check your local electrical code for
detailed grounding instructions for your area and type of
equipment. Your system must be connected to a true
earth ground.
•
Fluid regulator:
ground by connecting to a properly
grounded fluid hose and by a ground wire in the
cable. Check ground continuity between the regula-
tor body and the heat control ground lug.
•
Fluid hoses:
use only grounded fluid hoses. Check
electrical resistance of your fluid hoses at least once
a week. If the hose resistance exceeds 25 meg-
ohms, replace it immediately. If your hose does not
have a tag on it that specifies the maximum electri-
cal resistance, contact the hose supplier or manu-
facturer for the maximum resistance limits.
•
Dispense valve:
ground by connecting to a prop-
erly grounded fluid hose and by a ground wire in the
cable. Check ground continuity between the valve
body and the heat control ground lug.
•
Fluid supply container:
ground according to the
local code.
•
Flammable liquids in the dispense area:
must be
kept in approved, grounded containers. Do not store
more than the quantity needed for one shift.
•
All solvent pails used when flushing:
ground
according to local code. Use only metal pails, which
are conductive. Do not place the pail on a non-con-
ductive surface, such as paper or cardboard, which
interrupts the grounding continuity.
To maintain grounding continuity when flushing or
relieving pressure: hold a metal part of the gun firmly to
the side of a grounded metal pail, then trigger the gun.
To reduce the risk of static sparking, ground the pump,
object being dispensed to, and all other spraying/dis-
pensing equipment used or located in the spraying/dis-
pensing area. Check your local electrical code for
detailed grounding instructions for your area and type of
equipment.
Operation
Pressure Relief Procedure
1.
Shut off the fluid supply pump.
2.
Open the dispense valve, having a waste container
ready to catch drainage.
3.
If you suspect the dispense valve or hose is clogged
or that pressure has not been fully relieved after fol-
lowing the steps above, VERY SLOWLY loosen
hose end coupling to relieve pressure gradually,
then loosen completely. Clear hose or valve
obstruction.
Adjusting the Regulator
The fluid pressure regulator controls pressure down-
stream from its outlet.
To adjust the fluid regulator, first, back the adjusting
screw (16) out until there is no spring pressure. Then,
turn the screw clockwise to increase pressure.
NOTE: If you are using an accessory fluid pressure
gauge, relieve the dispense valve line when reduc-
ing pressure to ensure a correct gauge reading.
Adjust the pump air pressure and the fluid regulator for
the best dispensing combination. Record all the settings
for future reference. The adjusting screw (16) has exte-
rior markings (set points 1 to 5) for repeat settings.
