IWAKI PUMPS EJ-B, Instruction Manual, Page: 4 / 56

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Contents
Operation .....................................................................................26
Before operation ............................................................................................ 26
Points to be checked .................................................................................. 26
Retightening of pump head fixing bolts ...................................................... 26
Use of hexagon wrench instead of a torque wrench ............................. 27
Degassing ................................................................................................... 27
Flow rate adjustment .................................................................................. 30
Before a long period of stoppage (one month or more) .............................. 32
Operation programming ............................................................................... 33
Programming flow ....................................................................................... 33
Manual operation ........................................................................................ 34
Keypad lock ................................................................................................ 35
Keypad lock activation ........................................................................... 35
Keypad lock release .............................................................................. 35
Maintenance ................................................................................36
Troubleshooting ..............................................................................................37
Inspection ....................................................................................................... 38
Daily inspection .......................................................................................... 38
Periodic inspection ..................................................................................... 38
Wear part replacement .................................................................................. 39
Wear part list ............................................................................................... 39
Before replacement .................................................................................... 40
Valve set replacement .................................................................................41
Discharge valve set dismantlement/assembly .......................................41
Suction valve set dismantlement/assembly .......................................... 43
Diaphragm replacement ............................................................................. 44