Graco 332339BDosing Pumps User Manual

Instructions-PartsDosing Pumps332339BENTo pressurize and proportion fluid in a ProMix® PD2K Electronic Positive Displacement ProportioningSystem.For pr

RepairDriver RepairDisassemble the Driver1. See Disconnect the Lower from the Driver, page9.2. Remove the four screws (201e) and removethe motor (202)

RepairFigure 11DriverAssembly332339B11

RepairLower RepairDisassemble the Lower1. Remove the lower from the driver; seeDisconnect the Lower from the Driver, page 9 .2. Remove the top and bot

RepairFigure 12 Lower Pump Assembly332339B 13

RepairReassemble the Lower1. Install the manifolds (19, 20) on the cylinder (1).Lubricate the o-rings (21) and ensure they arein place on the mating s

Repair8. Install the o-rings (7) on the lower packing nut(6). Screw the packing nut into the lower throatcartridge (4). Torque to 20–30 ft-lb (28–40 N

RepairReconnect the Lower to the Driver1. Ensure that the air fitting (17) is removed andset aside.2. Screw the jam nut (105) and connector (104)onto t

PartsPartsPump Assembly24T788, Series A, 35 cc Low Pressure Pump24T789, Series A, 35 cc High Pressure Pump24T790, Series A, 70 cc Low Pressure Pump24T

PartsLower Pump Assembly24T792, Series A, 35 cc Lower24T793, Series A, 70 cc LowerA fourth u-cup (10) is used in this position onModel 24T793 only.18

Parts24T792, Series A, 35 cc Lower24T793, Series A, 70 cc LowerRefPart DescriptionQty1 24U604CYLINDER, 35 cc;Model 24T792124U605CYLINDER, 70 cc;Model

ContentsModels... 2Warnings ... 3S

PartsPump Driver Assembly24T794, Series A, Low Pressure Pump Driver24T795, Series A, High Pressure Pump DriverRefPart DescriptionQty201 16N742ACTUATOR

Repair Kits, Related Manuals, and AccessoriesRepair Kits, Related Manuals, and AccessoriesDescription Kit Part No. Kit Description24T843Dosing Valve S

DimensionsDimensionsPump ModelA, in. (mm) B, in. (mm) C, in. (mm) D, in. (mm) E, in. (mm)24T788,24T78933.0 (838) 7.375 (187) 8.25 (210) 7.50 (191) 13.

Technical DataTechnical DataDosing PumpsU.S.MetricMaximum fluid workingpressure:24T788 and 24T790300 psi 2.1 MPa, 21 bar24T789 and 24T791 1500 psi 10.5

Graco StandardWarrantyGraco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to befree from defe

WarningsWarningsThe followingwarnings are for the setup, use, grounding, maintenance and repair of this equipment. Theexclamation point symbol alerts

WarningsWARNINGMOVING PARTS HAZARDMoving parts can pinch, cut or amputate fingers and other body parts.• Keep clear of moving parts.• Do not operate eq

SetupSetupPump ComponentsFigure 3 Pump ComponentsComponentDescriptionAStepper MotorBDriverCPump LowerDUpInletDoseValveE Down InletDoseValveFUp Outlet

SetupAir ConnectionsRed and green 5/32 in. (4 mm) tubing connects thesolenoid manifold to the pump’s dosing valves. Seethe Pump Tubing Schematic on th

Setupc. Connect green tubing (G) from the DOWNOPEN fitting to the 90° tube fitting on the sideof the OUTLET DOWN dosing valve.d. Connect red tubing (R)

SetupFluid Connections1. Connect a 1/4 npt(f) fluid hose from the fluidsource to the check valve (J) at the pump’s fluidinlet manifold (K). The inlet dos

RepairRepairPreventive Maintenance ScheduleThe operating conditions of your particular systemdetermine how often maintenance is required.Establish a p