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Supply System Operation
Supply System Operation
Pressure Relief Procedure
Follow the Pressure Relief Procedure whenever
you see this symbol.
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid, such as skin injection, splashing
fluid and moving parts, follow the Pressure Relief Pro-
cedure when you stop spraying and before cleaning,
checking, or servicing the equipment.
1. Lock the gun/valve trigger.
2. Pull the driver pressure adjustment knob (AK) out
and turn counterclockwise until it stops. Push the
knob in to lock.
3. Turn the driver disconnect switch (K) OFF.
4. See F
. 2, page 8.
IG
a. Close the main air slider valve (AA).
b. Set the ram director valve (AC) to DOWN. The
ram will slowly drop.
c. Jog the ram director valve up and down to bleed
air from the ram cylinders.
5. Unlock the gun/valve trigger.
6. Hold a metal part of the gun/valve firmly to the side
of a grounded metal pail, and trigger the gun/valve
to relieve pressure.
7. Lock the gun/valve trigger.
14
8. Open the fluid line drain valve and the pump bleed
valve (P). Have a container ready to catch the drain-
age.
9. Leave the pump bleeder valve (P) open until ready
to spray again.
If you suspect that the spray tip/nozzle or hose is com-
pletely clogged, or that pressure has not been fully
relieved after following the steps above, very slowly
loosen the tip guard retaining nut or hose end coupling
and relieve pressure gradually, then loosen completely.
Now clear the tip/nozzle or hose.
Flush Before Using Equipment
The pump was tested with lightweight oil, which is left in
the fluid passages to protect parts. To avoid contaminat-
ing fluid with oil, flush the pump with a compatible sol-
vent before use. See the pump manual for flushing
directions.
Start and Adjust Ram
1. Raise ram: Open the main air slider valve (AA) and
set the ram air regulator (AB) to 40 psi (0.28 MPa,
2.8 bar). Set the ram director valve handle (AC) to
UP and let the ram rise to its full height.
2. Lubricate the platen seals (D) with grease or other
lubricant compatible with the fluid you will pump.
3. Put a full drum on the ram base and center it under
the platen (D).
4. Remove the drum cover and smooth the surface of
the fluid with a straightedge. To prevent air from
being trapped under the platen, scoop fluid from the
center of the pail to the sides, to make the surface
concave.
5. Adjust the pail to be sure it is aligned with the
platen, and remove the bleed stick (BS) to open the
platen bleed port (J).
3A5379B
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Table of Contents
Troubleshooting
