Milton Roy mRoy B User Manual

5Installation, Operations & Maintenance Manual
SECTION 1 - GENERAL DESCRIPTION.................................................................................. 8
1.1 INTRODUCTION ......................................................................................... 8
1.2 GENERAL INFORMATION ................................................................................ 8
1.3 PUMP CHARACTERISTICS .............................................................................. . . 8
1.4 PUMP PERFORMANCE ................................................................................... 8
1.5 PRINCIPLE OF OPERATION ............................................................................... 8
1.6 GENERAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.7 MODEL CODE (Figure 4) ................................................................................11
1.8 RPM KITS (Figure 5) .....................................................................................13
1.9 CAPACITY PRESSURE TABLE (Figure 6) ...................................................................14
SECTION 2 - INSTALLATION .........................................................................................17
2.1 UNPACKING/INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.2 STORAGE ..............................................................................................17
2.3 SAFETY PRECAUTIONS..................................................................................18
2.4 PUMP MOUNTING & LIFTING/LOCATION.................................................................18
2.5 OUTDOOR INSTALLATIONS .............................................................................18
2.6 FLANGE MOUNTED MOTORS............................................................................20
2.7 ELECTRICAL CONNECTIONS.............................................................................20
2.8 MOTORS ..............................................................................................20
2.9 PUMP LUBRICATION ....................................................................................20
2.10 PIPING ..............................................................................................21
2.11 OPERATION WITH SUCTION LIFT .......................................................................23
SECTION 3 - OPERATION ............................................................................................24
3.1 INITIAL START-UP .......................................................................................24
3.2 RESETTING THE RELIEF VALVE ...........................................................................25
3.3 OPERATION ............................................................................................26
SECTION 4 - MAINTENANCE.........................................................................................27
4.1 SPARE PARTS ...........................................................................................27
4.2 RPM KIT COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.3 RETURNING UNITS TO THE FACTORY.....................................................................27
4.4 ROUTINE MAINTENANCE ...............................................................................28
4.5 SEMI ANNUAL OIL CHANGE .............................................................................28
4.6 CHECK VALVE CARTRIDGES .............................................................................28
4.7 DIAPHRAGM(S).........................................................................................28
4.8 RELIEF VALVE POPPET...................................................................................29
4.9 CORRECTIVE MAINTENANCE ............................................................................29
4.9.1 Check Valve Cartridge Replacement ..................................................................29
4.9.1.1 Metallic Liquid Ends (Figures 19, 20, 21 & 24) .........................................................29
4.9.1.2 mRoy A Plastic Liquid End, Current Design (Figure 19) ................................................30
4.9.1.3 mRoy B Plastic Liquid End (Figure 24) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.9.2 Relief Valve Poppet Replacement (Figure 18)...........................................................31
4.9.3 Diaphragm Replacement (Figures 19-26) ..............................................................31
4.9.4 Motor and Worm Replacement (Figures 17 & 18) .......................................................32
TABLE OF CONTENTS

Milton Roy mRoy B Specifications

General

Brand	Milton Roy
Model	mRoy B
Category	Water Pump
Language	English