![Graco 1:1 Extruder [5/12] Pressure relief procedure](/img/pdf.png)
Graco 1:1 Extruder [5/12] Pressure relief procedure
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Operation
310726H 5
Pressure Relief Procedure
1. Engage trigger lock.
2. Turn off air to the pump air motor.
3. Disengage the trigger lock.
4. Hold a metal part of the gun firmly to a grounded
metal pail. Trigger the gun to relieve pressure.
5. Engage the trigger lock.
6. Open all fluid drain valves in the system, having a
waste container ready to catch drainage. Leave
drain valve(s) open until you are ready to dispense
again.
7. If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved after follow-
ing the steps above, VERY SLOWLY loosen tip
guard retaining nut or hose end coupling to relieve
pressure gradually, then loosen completely. Clear
hose or tip obstruction.
Initial Startup
1. Connect a 1/2 in. (12.7 mm) air hose to the main air
inlet connection.
2. Connect the dispense valve kit.
3. Raise the pneumatic ram:
a. Turn the ram control to UP.
b. Turn the ram air regulator up until the pumps
begin to rise.
4. Open a pail of component A and B. Place the pails
in their proper spots on the frame assembly pail lev-
elers. Hook the pail handles over the nearby frame
bolts.
5. Open the pail ram plate vent valves.
6. Stand clear of the pumps. Turn the ram control to
DOWN. When the ram plates enter the pails and
material comes out the vents, close the vent valves.
Set the ram down pressure to at least 50 psi (345
kPa, 3.4 bar). More pressure can be used for high
viscosity materials.
7. Remove the mixer if one is installed.
8. Open the outlet valves on the hoses.
9. Set the President air motor regulator to 40 psi (276
kPa, 2.8 bar). Slowly open the pump control air
valve just until the pumps start moving. (Some air
will escape while the valve is partially open.) When
the pumps are primed and filling the hoses, the
pump control air valve can be fully opened. When
both materials are coming through the outlets free
of test oil, close the dispense valve.
Dispensing Mixed Material
1. Install a mixer on the outlet valve.
2. Set pump motor valve to the ON position.
3. Open dispense valve. Adjust President air motor
regulator from 40–120 psi (0.28–0.8 MPa, 2.8–8
bar) to obtain desired flow rate.
Shutdown
When you are done dispensing, remove the disposable
mixer, and wipe off the outlet. Depending on what type
of material you are dispensing, it may be better to leave
the mixer on until the next time you use the equipment,
or it may be necessary to not only wipe off the outlet but
to seal it from air. Part No. 551327 plastic disposable
caps are available for this purpose.
WARNING
Follow Pressure Relief Procedure when you stop
dispensing and before cleaning, checking, or servicing
equipment. Read warnings, page 2.
Содержание
- 1 extruder 1
- Operation 1
- Part no 570135 1
- Part no 965119 1
- Table of contents 1
- Warning 2
- Warnings 2
- Warning 3
- Grounding 4
- Operation 4
- Dispensing mixed material 5
- Initial startup 5
- Pressure relief procedure 5
- Shutdown 5
- Part no 965119 6
- Part no 965119 7
- Part no 570135 8
- Part no 570135 9
- Part no 570135 10
- Part no 965119 10
- Technical specifications 10
- Mounting footprint 11
- Part no 570135 and 965119 11
- For the latest information about graco products visit www graco com 12
- Graco headquarters minneapolis international offices belgium china japan korea 12
- Graco inc and subsidiaries p o box 1441 minneapolis mn 55440 1441 usa copyright 2003 graco inc all graco manufacturing locations are registered to iso 9001 www graco com revised march 2013 12
- Graco information 12
- Graco standard warranty 12
- To place an order contact your graco distributor or call to identify the nearest distributor phone 612 623 6921 or toll free 1 800 328 0211 fax 612 378 3505 12
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