Graco 3A0526E User's Manual
Contents
1. Instructions gt g GRACO G3 Vent Valve Kit Instructions for installing vent valve For professional use only Part No 12 VDC NPT 571061 24 VDC NPT 571029 12 VDC BSPP 24F537 24 VDC BSPP 24F536 Maximum Working Pressure 3500 psi 241 bar 24 MPa Read all warnings and instructions in this manual and the G3 Pump instruction manual included with your unit Save these instructions ee Important Safety Instructions NOTICE All user supplied tubing must be rated for the same pressure or equipment could be damaged Kit Parts EE ae Petes Fra ar T arsar ae ae VALVE vent 2VOC NPT o a pave avoe nr a OT pave ver 2voc esee o oo o a pave ven 24 voces o o aa f oo 2 CABLE 6f ventvaive 2pin 1 r oa a B__ FITTING grease STS ST a PLUG dryseal V NPTF_ a S TT 5 SCREW cap socket f a2 a f a ST e 60E pressure tia fr for a a 7 ADAPTER NPT to BSPP notshown 0 o 4 7 PROVEN QUALITY LEADING TECHNOLOGY Instructions Instructions Pressure Relief Valves The pressure relief valve uses a pressure adjustment screw a to set the pres sure release point It is not pe intended as a way to G o o a relieve pressure during a O normal operation but as a protective measure in the rr a event there is an unintended j ti15463 pressure increase in the lockin system a 3 nut NOTE e Do not use this pressure relief valve as a means of re2. RACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 2010 Graco Inc is registered to ISO 9001 www graco com 7 2010 revised 4 201 1
3. ith an alpha character are user pro vided or already installed components 1 Disconnect power source 2 If unit has already been in service relieve pressure 3A0526E 3 Mount vent valve block 1 to a fixed surface near the G3 pump using mounting holes b and two socket screws 5 ti115463 Fic 2 Mounting Dimension a 3 25 inches 8 255 cm Thread 1 4 20 UNC 2A 4 Connect end of cable 2 to the G3 FIG 3 NOTE Verify correct port on G3 label is selected Locate symbol shown in FIG 3 on G3 label to select correct port Vent Valve Symbol pk FIG 3 5 Connect cable connector 2 to solenoid valve 1 FIG 4 ti15544 FIG 4 3A0526E Instructions NOTE If using one of the BSPP Vent Valve Kits install adapter 7 into pump element prior to installing pump element fitting c then continue installation Step 6 6 Connect inlet tube c to pump element fitting d and inlet fitting e to manifold port stamped with an P FiG 5 Wrench tighten only ti15463 15464 FIG 5 7 Connect main tube f to any manifold outlet g stamped with an O and injector inlet h FIG 6 FIG 6 8 Use a wrench to loosen plug j from return location Remove plug from port FIG 7 ti115468 9 Apply thread sealant user supplied to threads k e Plugs must be installed in any open outlet port of a tube fitting m 5 e Pressure Gauge optional 7 NOTE Al
4. lieving pressure in day to day normal cycle operation Use the pressure relief procedure described in the next section of this manual to relieve pressure during normal cycle operation e Factory set to 3000 psi 207 bar 20 7 MPa The pressure adjustment screw a will require periodic adjustments Whenever the valve is set adjusted after the set point is found it is important to ensure that the valve is not bottomed out and there is at least 1 2 turn of adjustment remaining This is determined by turning the screw a 1 2 turn and then back turning it out again NOTE Turning adjument screw a clockwise increases pressure Pressure Relief SKIN INJECTION HAZARD High pressure fluid from dispense device hose leaks or ruptured components will pierce skin This may look like just a cut but it is a serious injury that can result in ampu ation Get immediate surgical treatment Follow Pressure Relief Procedure in this manual when ou stop dispensing and before cleaning checking or Relieve pressure in system by using two wrenches working in opposite directions on pump element and pump element fitting to only loosen fitting NOTE When loosening pump element fitting do NOT loosen pump element Loosening pump element will change the output volume ti14711 FIG 1 Installation Reference numbers used in these instructions corre spond to parts included in Kit and are provided on page 1 Parts identified w
5. though the example shown in FIG 8 shows a 90 elbow fitting this is only shown for reference The user may use what ever fitting best suits their installation Install any of these parts in the remaining outlet ports on the manifold block NOTE Any port not used by a pressure gauge 7 or zerk grease fitting 4 MUST have a plug 5 installed in the opening 10 Install tube fitting m in open port Retrofitting Existing Installations NOTE These instructions assume grease is already loaded in injector valves Aoa Installation 11 Wrench tighten fitting m then torque to 50 in Ibs 1 Disconnect power source 5 6 Nem nak 2 Relieve pressure page 2 12 Install vent tube n between vent port p and fitting P pag m FIG 9 3 Remove existing plumbing installed between pump element d FIG 5 and injector inlet h FIG 6 4 Continue installation following Installation Instruc ti15463 tions Steps 3 13 on pages 3 4 13 The kit includes the following additional parts e Zerk Grease Fitting optional 4 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 3A0526 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea G
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