313876FENGOperation - MaintenancePD44Metering Valves and Feed SystemsMeter, mix, and dispense system for precise two-component micro-dispensing of sea
Product Configurator 10 313876F19 9640685 gallon tank, support, 5:11 pump, agita-tor, stainless steel20 9640695 gallon tank, support, 5:1 pump, agitat
Accessories313876F 11AccessoriesMixer Kits with ShroudMixer PacksPart Description964034 Mixer, Kit, 3/16 in. (4.8mm) x 24, 10 taper tip mixers with sh
Accessories 12 313876FO-Rings and SealsNeedlesPart Description24E247 Kit, O-ring, chemical resistant, PD4424E248 Kit, Seal, Spool, H.V., PD4424E249 Ki
Isocyanate Conditions313876F 13Isocyanate Conditions Material Self-ignition Moisture Sensitivity of IsocyanatesIsocyanates (ISO) are catalysts used i
Grounding 14 313876FGroundingThis product must be grounded. In the event of an elec-trical short circuit, grounding reduces the risk of electric shock
Component Identification313876F 15Component IdentificationTypical System Configurations FIG. 1Liquid Control Corp.NORTH CANTON, OH 44720 USA8400 PORT
Component Identification 16 313876FTypical Feed System Components FIG. 2DO NOT SERVICE WITHOUTREMOVING AIR PRESSURE ANDWEARING SAFETY GLASSES.WARNINGF
Component Identification313876F 17Typical Feed System Components (continued)FIG. 3R01284psi3022191526R01284psi30221915265 Gallon Tank with Diaphragm P
Component Identification 18 313876FMicrometer PD44 Metering ValveFIG. 4Key:A A Material InletB B Material InletC Grounding LugD Spool AssembliesE Mete
Component Identification313876F 19LRT PD44 Metering ValveFIG. 5BASide ViewFront ViewKey:A A Material InletB B Material InletC Grounding LugD Spool Ass
2 313876FContentsRelated Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Models . . . . . . . . . . . . . . . . . . . . . . . . .
Component Identification 20 313876FMotor Driven PD44 Metering ValveFIG. 6Side View Front ViewKey:A A Material InletB B Material InletC Grounding LugD
Setup313876F 21SetupNOTE: See Typical Installation diagram.2. 1. Perform Setup procedure for feed system compo-nents. See feed system manuals. See Rel
Setup 22 313876FTank Level Sensor Wiring SchematicValve Mounting DiagramAs desired, use the following diagram to mount the metering valve. TYPICAL LEV
Setup313876F 23Motor Mounting DiagramIf using a non-Graco motor with the Motor Driven PD44, use the following diagram to install the non-Graco motor o
Startup 24 313876FStartup1. Lubricate the metering rod ports in the oil cup retaining block and fill the spool valve ports with compatible lubricant.
Adjusting the Shot Size313876F 25Adjusting the Shot SizeMicrometer PD44 Only1. Rotate the shot size locking ring counterclockwise to loosen.2. Rotate
Ratio Check 26 313876FRatio CheckPerform ratio check procedure at startup and after rebuild.1. Weigh six small cups and label as indicated. Record wei
Operation313876F 27OperationThe operation of the PD44 metering valve is controlled by an external source. If a PD44 Control Box was pur-chased, see th
Pressure Relief Procedure 28 313876FPressure Relief Procedure1. Retract the metering rods. See the PD44 Control Box manual. See Related Manuals on pag
Troubleshooting313876F 29TroubleshootingSchematicsFor standard machines, the schematics will be included in the PD44 Parts manual. See Related Manu-al
Related Manuals313876F 3Related ManualsManuals are available at www.graco.comComponent manuals in U.S. English.Models* If a custom PD44 is ordered, it
Rebuild 30 313876FRebuild Wetted Section Disassembly1. Perform Pressure Relief Procedure, page 28.2. On Motor Driven PD44s, remove electrical power.3.
Rebuild313876F 3111. Remove the four cap screws located at the top of the oil cup retaining block. 12. Remove the metering rods and oil cup retaining
Rebuild 32 313876FWetted Section Reassembly1. Install the pneumatic spool rod drive. Torque fasten-ers to 67-70 in-lb (7.5-7.9 N•m). 2. Repeat for oth
Rebuild313876F 3311. Manually move connecting block up and down to insure rods are properly installed.12. Install the back plate and cap screws.13. In
Rebuild 34 313876F6. Insert new o-ring into spool air cylinder end cap.7. Install proximity switch.8. Apply Krytox or compatible lubricant to cylinder
Rebuild313876F 356. For each pneumatic drive spool block, install new zap seals and o-rings onto o-ring retainer.7. Lubricate o-rings and bearing surf
Rebuild 36 313876F12. Apply Krytox to spool rod then carefully install the spool rod into the spool sleeve (inside the metering block). Make sure not
Rebuild313876F 37Micrometer Drive Rebuild(Micrometer PD44 Only)1. Perform Wetted Section Disassembly, page 30.2. Remove the four cap screws located at
Rebuild 38 313876F9. Install new posipak seal with the o-ring pointed towards the drive piston, then install washer and retaining ring.10. Apply Kryto
Electrical Requirements313876F 39Electrical RequirementsElectrical requirements for pneumatically driven and stepper driven control boxes can be found
Warnings 4 313876FWarningsThe following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point
Electrical Requirements 40 313876FFIG. 14: Motor Driven PD44 Metering Valve Electrical RequirementsGROUNDSTUDPX-CSV(39.5")25"2" 2"
Electrical Requirements313876F 41FIG. 15: LRT PD44 Metering Valve Electrical RequirementsFRONTPX-OSV(42.5")PX-CSV(39.5")YELLOWGREENBLUEREDRE
Technical Data 42 313876FTechnical DataNOTE: See feed system manuals for dimensions, weights, and wetted parts lists for those components. Dimensions,
Technical Data313876F 43Motor SpecificationsIf a non-Graco motor is used with the Motor Driven PD44 Metering Valve, it must meet the following specifi
All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves th
Warnings313876F 5ELECTRIC SHOCK HAZARDThis equipment must be grounded. Improper grounding, setup, or usage of the system can cause elec-tric shock.• T
Product Configurator 6 313876FProduct ConfiguratorThis system can be ordered with many different options as shown in the configurator below. The foll
Product Configurator313876F 7Code E Part Low Volume Rod Material NOTE: See code FG for last two digits of part numberA 9641__ Hardened SteelB 9642__ S
Product Configurator 8 313876FCode L Part Controls1 964035 Pneumatic, micrometer, wire harness only2 964036 Pneumatic, micrometer, HMI controls, low l
Product Configurator313876F 919 9640685 gallon tank, support, 5:1 pump, agitator, stainless steel20 9640695 gallon tank, support, 5:1 pump, agitator,
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