Graco Ventilation Hood 77X540 User Manual

Instructions  
®
Dyna-Star HP Vent  
Valve Kit  
332519F  
EN  
Used with the Dyna-Star HP or HF Pump to reduce system pressure and allow injector to  
reset. For professional use only.  
Part No.: 77X540  
Maximum Working Pressure: 3500 psi (241 bar, 24 MPa)  
Important Safety Instructions  
Read all warnings and instructions in this  
manual and the Dyna-Star HP and HF Pump  
instruction manual included with your unit. Save  
all instructions.  
 
Instructions  
5. Loosen, remove and discard the 3 socket head cap  
screws (b) from the adapter block (a) (FIG. 3).  
Vent Valve Installation  
a
Reference numbers used in these instructions corre-  
spond to Parts included in Kit and are provided on page  
5. Parts identified with an alpha character are user pro-  
vided or already installed components.  
b
c
To ensure the correct pressure relief valve is used and  
pressure settings are correct, always use new parts  
included in your Vent Valve Kit for reassembly.  
1. If unit has already been in service, relieve pressure  
FIG. 3  
(see Pressure Relief procedure, page 2).  
6. Remove adapter block (a) and o-rings (c) (FIG. 3).  
Discard these parts according to state and local  
codes for proper disposal. These parts will not be  
used for reassembly.  
2. Disconnect Dyna-Star HP or HF pump from main  
power source.  
3. Remove outlet tubing from port marked “0” on the  
pump adapter block (a) (FIG. 2).  
7. Grease o-rings (8) and install o-rings in vent valve  
block as shown in FIG. 4.  
8
FIG. 4  
a
Clean surface of the Dyna-Star pump outlet with a  
clean dry cloth. Inspect pump surface for scratches or  
nicks. A scratched surface can result in fluid leakage.  
FIG. 2  
4. Remove plug or inlet tubing from port marked “1” on  
the pump adapter block (a) (FIG. 2).  
332519F  
3
 
     
Instructions  
8. Install vent valve (1) to pump surface using the 3  
cap screws (4) included in the kit (FIG. 5). Hold the  
vent valve tight to the surface of the pump to ensure  
o-rings stay in place during installation.Torque  
screws to 17-19 ft-lbs (23-26 N.m).  
11. Connect cable (d) to valve cartridge (c) (FIG. 7).  
d
c
1
4
FIG. 7  
12. Install other end of cable (d) to solenoid control  
device.  
FIG. 5  
NOTE:  
Cable (d) is available from Graco. See Accesso-  
ries, page 5 for a list of available cables.  
9. Install lubrication line to vent valve pump outlet port  
marked “0” (FIG. 6).  
Connector termination is a Deutsch DT-04-2P.  
Solenoid inputs are not polarity dependent.  
Voltage can be applied in either direction.  
Solenoid should be activated when the pump is  
running. See wiring diagrams in pump manual  
for more details.  
10  
13. Reconnect pump to main power supply.  
14. Test system to ensure proper operation.  
FIG. 6  
10. In the inlet port marked “1” (FIG. 6) install either:  
a plug (10).  
inlet plumbing necessary to attach a fill pump.  
NOTE:  
For tube-in-tube pump models, the “1” inlet can  
be used as a fill port.  
For models equipped with a follower plate, with-  
out a tube-in-tube, the “1” inlet deposits grease  
on top of the follower plate.  
4
332519F  
 
     
Parts  
Parts  
2
Ref Description  
Qty  
1
2
3
4
8
9
MANIFOLD, electric vent valve  
1
1
1
3
2
1
1
VALVE, cartridge, 24VDC  
VALVE, pressure relief, 3500 psi  
SCREW, cap, socket, M8 x 1.25  
O-RING  
9
8
PLUG, pipe, 1/8 in. npt  
10 PLUG, 1/4 in. npt  
1
Accessories  
Part No. Description  
24N402 CABLE, 6 ft, vent valve, 2 pin for vent valve  
10  
control  
77X529 CABLE, power injector system only. Use  
with 77X528  
77X528 CABLE, power extension, 15 ft (4.6m), use  
with 77X529  
3
4
Technical Data  
.
Vent Valve for Dyna-Star HP  
US  
Metric  
24.1 MPa, 241 bar  
Maximum working pressure*  
Inlet/Outlet Sizes  
3500 psi  
Outlet (marked “0”)  
3/8 in. npt(f)  
3/8 in. npt(f)  
Inlet (refill - marked “1”)  
Pressure Relief Valve  
Factory Set Pressure  
Reset Pressure  
Relief Rate**  
4000 psi + 250 psi  
27 MPa, 275 bar + 10%  
80% of set pressure  
0.1 gallons/minute @3500 psi  
0.4 liters/minute @24.1 MPa. 241 bar  
0.65 liters/minute  
Solenoid Valve  
Flow**  
Up to gpm 0.2 gallons/minute,  
3
40 in /minute  
Wetted materials  
Weight  
Zinc plated steel, carbon steel, aluminum, fluoroelastomer, polyurethane  
4.0 lbs  
IP65K  
1.8 kg  
IP Rating  
Solenoid Coil  
24 VDC  
Resistance (DC) (Ohms) @ 68°F (20°C) Initial Current Draw (Amps)  
28.8 0.83  
*Dyna-Star HP Pump Models are rated for 5000 psi (34.47 MPa, 344 bar) maximum working pressure, however,  
when a vent valve is installed on the HP Pump, the maximum working pressure must be reduced to 3500 psi (24.1  
MPa, 241 bar).  
**Flow capability depends on viscosity, type of fluid, temperature, etc.  
332519F  
5
 
   
Dimensions  
4.95 in.  
(12.57 cm)  
1.5 in (3.81 cm)  
2.5 in.  
(6.36 cm)  
1.5 in.  
(3.81 cm)  
4.0 in.  
(10.16 cm)  
Graco Information  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.  
Phone: 612-623-6928 or Toll Free: 1-800-533-9655, Fax: 612-378-3590  
All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
Original instructions. This manual contains English. MM 332519  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA  
Copyright 2013, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
August 2014  
 

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