Instruction/ maintenance manual of the product 332339B Graco
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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 .
Contents Mo del s ......................................................... ...... 2 Wa rni ng s ....................................................... .... 3 Se tup .......................................................... ....... 5 Pu mp Co mpo nen ts .
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.
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.
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 .
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.
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.
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.
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.
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.
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).
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).
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).
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).
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.
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.
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.
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 T.
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.
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.
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.
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.
An important point after buying a device Graco 332339B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco 332339B yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco 332339B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 332339B you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 332339B will certainly help you make a decision on the purchase.
If you already are a holder of Graco 332339B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco 332339B.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 332339B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 332339B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
