Watson-Marlow SP40 - Manual (Page 5)

2
5.3 Installation conditions ........................................................................... 19
5.3.1 Ambient conditions .................................................................... 19
5.3.2 Set-up ........................................................................................ 19
5.3.3 Pipework ................................................................................... 20
5.3.4 Pulsating flow ............................................................................ 21
5.4 Lifting and moving the pump ................................................................ 22
6 COMMISSIONING
6.1
Preparations ......................................................................................... 23
6.2 Start-up ................................................................................................. 23
7 GENERAL MAINTENANCE
7.1
Maintenance and periodic inspections ................................................. 24
7.2 Cleaning pump hose ............................................................................ 25
7.3 Changing lubricant ............................................................................... 25
7.4 Changing oil in gearbox ........................................................................ 26
7.5 Replacing pump hose ........................................................................... 26
7.5.1 Remove the lubricant ................................................................ 26
7.5.2 Remove the pump hose ............................................................ 26
7.5.3 Install the pump hose ................................................................ 27
7.5.4 Fasten the pump hose .............................................................. 28
7.5.5 Fill the pump with lubricant ........................................................ 29
7.5.6 Finish the pump hose replacement ........................................... 29
7.6 Remove the cover ................................................................................ 29
7.7 Exchanging replacement parts ............................................................. 30
7.7.1 Replacing pressing shoes ......................................................... 30
7.7.2 Replacing seal and bearings ..................................................... 30
7.8 Hose compression force adjustment (shimming) ................................. 33
7.9 Fitting options ....................................................................................... 34
7.9.1 Fitting a high-level float switch .................................................. 34
7.9.2 Fitting a low level float switch .................................................... 34
7.9.3 Float switch power specification ................................................ 34
8 MAINTENANCE OF CAM AND ACTUATORS
8.1
Cam assembly ...................................................................................... 35
8.2 Manually operated actuator .................................................................. 36
8.3 Positioning of the electrical actuator ..................................................... 37
8.4 Positioning of the pneumatic actuator .................................................. 41
8.5 Direct pneumatic connection ................................................................ 43
8.5.1 Clockwise pump operation ........................................................ 43