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Dedoes MPU02, Manual, Page: 2 / 10

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Manual Propor�oning Unit 

Dedoes P# MPU02

SA0256 SUCTION CHECK VALVE

P1891

SA0255 DISCHARGE CHECK VALVE

SA0154

P2603

P0466

P0472

P0465

P0436

P0478

P1888

P0468

P1893

P0439

P0476

P0470

P0477

P# SA0153 Complete MPU Pump Assembly

Summary of Contents for MPU02

Page 1: ...the lever one full stroke and verify that the pumps are working correctly With the lever at the half stroke and reducer filling the pumps block the end of one of the discharge tubes with your finger Pull the lever down firmly and hold it down Visually inspect the seals in each pump to be sure that fluid does not by pass the seals Visually check all connections of the pump for any leakage If none l...

Page 2: ...dedoes com Manual Propor oning Unit Dedoes P MPU02 SA0256 SUCTION CHECK VALVE P1891 SA0255 DISCHARGE CHECK VALVE SA0154 P2603 P0466 P0472 P0465 P0436 P0478 P1888 P0468 P1893 P0439 P0476 P0470 P0477 P SA0153 Complete MPU Pump Assembly ...

Page 3: ...Propor oning Unit Dedoes P MPU02 SA0255 Discharge Check Valve P0444 P1892 P0435 Rod P0435 Clip P0441C Front Discharge Hose P0441D Rear Discharge Hose SA0256 Suc on Check Valve P0439 Compression Nuts Arm P0472 P0465 P0436 P0478 P1888 P0444 P0444 P0444 ...

Page 4: ... check for leaks prior to use See page 1 for pressure test steps For rear pump replacement Empty all fluids from MPU Remove the P1892 from the bo om of the rear pump and save Loosen the P0439 on the rear pump completely Pull P0441D Rear Discharge Hose free of the P0439 Remove the P0439 from the old pump assembly and save Remove the P0435 Clip from the rear pump Remove the P0435 Rod from the rear pu...

Page 5: ...alant to the end that arrow points to on the SA0256 Suc on Check Valve Do not apply sealant to first two threads Dedoes recommends to use Teflon tape and ensure that the tape does not get into the body of the valve Screw the SA0256 into bo om of part P1891 The arrow should be poin ng to the P1891 Pump Bo om Cap Then ghten securely Install suc on check valves into both pumps as necessary Apply thread...

Page 6: ... the Allen wrench check that the pistons are s ll moving freely and returning to the snap ring Correctly reassemble the MPU Pump Assemblies and check valves The SA0255 DISCHARGE Check Valve has a five pound crack pressure Replacement Discharge Check Valves will be marked with a D on them The SA0256 SUCTION Check Valve has a one third pound crack pressure Replacement Suc on Check Valves will be mark...

Page 7: ...and pull P0440 down on top of P0458 and release wide nose pliers Insert end with no parts a ached of P0454 through hollowed out side of P1109 let P1109 slide down to bo om of P0454 Insert end of P0454 through P0449 slide P0449 down to middle of P0454 Insert end of P0454 through P1225 let P1225 slide down to P0449 Using wide nose pliers squeeze tabs of P0440 together install one P0440 onto the top ...

Page 8: ... to the end that arrow points to on SA0256 Do not apply sealant to first two threads Screw SA0256 into bo om of P1891 and ghten securely The arrow should be poin ng toward the P1891 Apply Stainless Steel pipe sealant to both ends of SA0255 Do not apply sealant to first two threads of both ends Screw SA0255 into the front of P1891 The arrow on SA0255 should be poin ng away from P1891 Screw one P0439 ...

Page 9: ...o P0477 and check that P0477 is ghten securely Wet lower inside of glass cylinder with reducer Holding Phillips screwdriver and top sec on of shown unit slide seals up and down check that seal is sliding with slight resistance Do not pull seals out of top or bo om of glass cylinder Inspect the P0470 seal this part should s ll be in channel of bo om cylinder gland If damaged stop and replace P0470 ...

Page 10: ...ll brackets will depend upon where and how you choose to posi on your table If you have already assembled the table you will need to remove one nut and bolt from each of two legs to a ach the wall brackets Once the table is assembled and secured with the wall brackets place your MPU on top of the table and align the holes at the base of the MPU with the holes in the top shelf of the table A ach th...

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