Table Of Contents - Milton Roy mRoy A Installation, Operation And Maintenance Manual

Table Of Contents

Section 1 - General Description7
Figure 1. Pump Operation With By-Pass Port Open8
General Specifications9
Figure 4. Mroy A, H, J, And P Model Code10
Figure 5. Mroy A, H, J, And P Gear/Motor Mount/Connection/Capacity Control; Select Mode Code11
Figure 6. Mroy A, H, J, And P Type Of Liquid End; Select Mode Code12
Figure 8. Mroy A Capacity/Pressure Table13
Figure 11. Mroy Pump (All Models) Capacity Derating Table14
Figure 12. Mroy B Model Code15
Figure 13. Mroy B Routine Maintenance Kit List, By Model Code16
Section 2 - Installation17
Motors18
Back Pressure Spring Installation19
Figure 16. Typical Piping System Installation20
Operation With Suction Lift21
Section 3 - Operation23
Resetting The Relief Valve24
Section 4 - Maintenance25
Semi Annual Oil Change26
Mroy A Plastic Liquid End, Current Design (Figure 20)27
Mroy B Plastic Liquid End (Figure 25)28
Diaphragm Replacement (Figures 20-27)29
Control Spool O-Rings Replacement (Figure 18, 20, & 21)30
Figure 17. Diaphragm Head Bolt Torque Pattern31
Section 5 - Troubleshooting Guide33
Section 6 - Parts35
Figure 18. Common Parts - Mroy A & B Side View And Api Motor Mount36
Figure 19. Common Parts - Mroy A & B End View And Mroy A Close Coupled Motor Mount37
Figure 20. Mroy A Metallic And Plastic Liquid End38
Figure 21. Mroy A Metallic Low Pressure And High Pressure Liquid End39
Figure 22. Mroy A Bar Stock Liquid End40
Figure 23. Mroy A Double Diaphragm And Leak Detection41
Figure 24. Mroy A And B Actuator42
Basic Parts List For Drive Models "Ra", "Rh", "Rj", And "Rp" (Figures 18 & 19)43
Parts Common To Liquid End Models "Ra", "Rp", And "Rj" (Figures 20 & 21)45
Diaphragm Head Design- 8 Bolt (2-7/8") Liquid End Model "Rh" (Figure 21)46
Diaphragm Head Design- 8 Bolt (4") Liquid End Model "Rj" (Figure 21)47
Mroy "Ra" Motor Mount Parts (Figures 18 & 19)49
Electronic Capacity Control Mounting (Figure 24)51
Pneumatic Capacity Control (3-15 Psi Direct) (Figure 24)52
Simplex Leak Detection Parts, Figure 2353
Double Diaphram Parts (Figure 23)54
Figure 25. Mroy B Metallic And Plastic Liquid End56
Figure 26. Mroy B Leak Detection With Switch And Gauge57
Figure 27. Mroy B Double Diaphragm58
Basic Parts List For Drive Models "Rb" ("Rs", "Rm", "Rb") (Figures 18 & 19)59
Liquid End "Rb" & "Rm" (Figure 25)60
Liquid End "Rs" (Figure 25)61
Model "Rb12" & "Rm12" Plastic Liquid End Parts (Figure 25)62
Mroy "Rb" Motor Mounts (Figures 18 & 19)63
Rb") (Figure 27)67
Section 7 - Limited Warranty69
Appendix A - Model Code History71