Graco 332339B manuale d’uso

Instructions-Parts Dosing Pumps 332339B EN To pressurize and proportion fluid in a ProMix® PD2K Electronic Positive Di splacement Proportioning System. For professional use only. Importan t Safety Instruction s Read all warni ngs and inst ructions i n this manual and in your PD2K propor tioner manual . Save these instructions. S e ep a g e2 for m[...]

Contents Mo del s ......................................................... ...... 2 Wa rni ng s ....................................................... .... 3 Se tup .......................................................... ....... 5 Pu mp Co mpo nen ts ...................................... 5 Ai r Co nn ect io ns ................................[...]

Warnings Warnings The following warnings are for the setup , use, grounding, main tenance and repai r of this equipmen t. The exclamation p oint symbol alert s you to a general warning and t he hazard symbol refers to p roce dure-specific risks. When th ese symbols appear in th e body of this manu al or on warnin g labels, refer bac kt ot h e s e [...]

Warnings WARNING MOVING PARTS HAZARD Moving parts can p inch, cut or amputat e fingers and ot her body parts. • Keep clear of movi ng parts. • Do not operat e equipment wi th protective g uards or cove rs removed. •P r e s s u r i z e d equipment can sta rt without war ning. Before checking, moving, or servici ng equipment, f ollow the Pr es[...]

Setup Setup Pump Componen ts Figure 3 Pump Components Component Description A Stepper Moto r BD r i v e r C Pump Lowe r DU p I n l e t D o s e V a l v e E Down Inle tD o s eV a l v e F Up Outlet Dose Valve G Down O utlet Dose Valve H Fluid Ou tlet Mani fold J Fluid Inlet Ch eck Valve K Fluid Inlet Ma nifold L Fluid Outlet Ch eck Valve M Fluid Outle[...]

Setup Air Connectio ns Red and green 5/32 in. (4 mm) tubing connects the solenoid manif old to the pump’s dosing val ves. See the Pump Tubing S chematic on the ne xt page. NOTE: Tubing lengt hs must be 18 in. ± 1/2 in. (457 mm ± 13 mm) for all connection s. A lways use equal lengths of tu bin g, to balance the timing of the valves. Lengths lon [...]

Setup c. Connect green tubi ng (G) from the DOWN OPEN fitting to the 90° tube fit ting on the side of the OUTLET DOWN dosing valve. d. Connect red tubi ng (R) from the DOWN CLOSED fitting to the 90° tube fitt ing on the end of the OUTLET DOWN dosing val ve. 3. Repeat these steps for each pump in your system. See the following tab le to unders[...]

Setup Fluid Connect ions 1. Connect a 1/4 npt(f ) fluid hose from the fluid source to the check va lve (J) at the pump ’s fluid inlet manifol d (K). The inlet dose valves (D, E) will open and c lose alternat ely at the pump st roke changeover, to maint ain a steady flow i nto the pump. 2. Connect a 1/4 npt( f) fluid outlet h ose from the che[...]

Repair Repair Preventive Maintenance Schedule The operatin g cond itions of your particular syste m determine h o w often mainte nance is requi red. Establish a p reventive maintenance schedul e by recording w hen a nd what kind of main tenance is needed, and the n determine a regular schedul e for checking yo ur system. Disconnect the Lower from t[...]

Repair Driver Repair Disassemble t he Driver 1. See Disconnec t the Lowe r from the Driver , page 9. 2. Remove the fo ur screws (2 01e) and remove the motor (20 2) fr om the actuator (201). The motor-si de c oupler (20 1a) and insert ( 201b) will come off with the m otor. 3. Pull the act uator (201) out the top o f the housing (203). Do no t remove[...]

Repair Figure 1 1D r i v e r A s s e m b l y 332339B 11[...]

Repair Lower Repair Disassemble t he Lower 1. Remove the low er from the driver; see Disconnect th e Lower f rom the Driver, page 9 . 2. Remove the to p and bottom throat cartridges (4) to expose the piston rod (2a/2b). 3. Push the pist on rod assembly down out the bottom of th e cylinde r (1). 4. Disassembl e the piston rod (2a , 2b), using the ?[...]

Repair Figure 12 Lower Pump As sembly 332339B 13[...]

Repair Reassemble the L ower 1. Install the mani folds (19, 20) on t he cylinder (1) . Lubricate the o-r ings (21) and ensure they are in place on the mating surf aces. Apply thread adhesive to the screw s (26) and torque to 13–23 in-lb (1.5–2.5 N• m). 2. Lubricate th e o-rings (33). Apply thr ead lubricant and install the a dapters (27) an d[...]

Repair 8. Install the o- rings (7) on the lower p acking nut (6). Screw the p acking nut into the l ower throat cartridge (4) . Torque to 20–3 0 ft-lb (28–40 N•m). 9. Slide the lower packing cartri dge (4) onto the piston rod (2) and screw the cartridge in to the cylinder (1). Torque to 35–45 ft-lb (4 8–61 N•m). 10. Screw the rod guard [...]

Repair Reconnect the Lower to the Driver 1. Ensure that th e air fitting (17) is remov ed and set aside. 2. Screw the jam n ut (105) and connect or (104) onto the pump c yl inder (1), all the way to the bottom o f the threads. 3. Align the hol es in the connector (104) wit h the ports in the t hroat cartridge (4). 4. Torque the j am nut (105) to 6[...]

Parts Parts Pump Assembly 24T788, Seri es A, 35 cc Low Pressure Pump 24T789, Seri es A, 35 cc High Pressure Pump 24T790, Seri es A, 70 cc Low Pressure Pump 24T791, Ser i e sA ,7 0c cH i g hP r e s s u r eP u m p Ref Part Description Qty 101 24T794 DRIVER, low pressure; Models 24T7 88 and 24T790; s ee Pump Driver Assembly, page 20 1 24T795 DRIVER, h[...]

Parts Lower Pump Assembly 24T792, Serie s A, 35 cc Lower 24T793, Serie s A, 70 cc Lower A fourth u-cup (10) i s used in this positi on on Model 24T793 only. 18 332339B[...]

Parts 24T792, Series A, 35 cc Lower 24T793, Series A, 70 cc Lower Ref Part Desc ripti on Qty 1 24U604 CYLINDER, 35 c c; Model 24T792 1 24U605 CYLINDER, 70 cc; Model 24T793 1 2 24T842 KIT, pisto n r od assembly; i ncludes items 2a a nd 2b 1 2a ——— ROD, piston, upper 1 2b ——— ROD, piston, lo wer 1 4 16N750 FI TTING, throat cartridge 2 5 1[...]

Parts Pump Driver Assem bly 24T794, Serie s A, Low Pressure Pump Driver 24T795, Serie s A, High Pressure Pump Driver Ref Part Descri ption Qt y 201 16N742 ACTUATOR, linear; for 24T794 1 16N777 ACTUA TOR , linear; for 24 T795 1 201a -—— COUPLER 1 201b ——— INSERT, coupler 1 201c -—— SCREW, coupler 2 201d ——— SCREW, motor mounting [...]

Repair Kits, Rel ated Manuals, and Accessories Repair Kits, Related Manuals, and Accessories Description Kit Part No. Kit Descript ion 24T843 Dosing Valve S eat Replacement Kit. Includes seat s and o-rings for all four dosi ng valves on a pump. 24T302 TSL Cup Kit All pumps in this man ual. 24T303 Throat Seal Inst allation Tool . Also inclu ded in S[...]

Dimen sions Dimensions Pump Model A, in. (mm) B, in. (mm) C, in. (mm) D, in. (mm) E, in. (mm) 24T788, 24T789 33.0 (838) 7.375 (187) 8.25 (210 ) 7.50 (191) 13.375 (340) 24T790, 24T791 34.25 (870) 7.375 (187) 8.25 (210) 7.50 (191) 14.50 (368) 2 2 332339B[...]

Technical Data Technical Data Dosing Pumps U.S. Metric Maximum fluid worki ng pressure: 24T788 and 24 T790 300 psi 2.1 MPa, 21 ba r 24T789 and 24T791 1500 psi 10.5 MPa, 105 bar Maximum working a ir pressure: 100 psi 0.7 MPa, 7.0 bar Air supply: 85–100 psi 0.6–0.7 MPa , 6.0–7.0 bar) Fluids han dl ed: one or two comp onent: • solvent an d wa[...]

Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufac tured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the orig inal purchaser for use. With the exc eption of any special, extended, or limited warranty published by Graco, Graco will, for a peri[...]