Watson-Marlow Bredel 265 User Manual
Page 6

6
5.3
Installation conditions ........................................................................... 22
5.3.1
Ambient conditions .................................................................... 22
5.3.2
Set-up ........................................................................................ 23
5.3.3
Pipework ................................................................................... 23
5.3.4
Flange sizes of the pipework ..................................................... 26
5.4
Lifting and moving the pump ................................................................ 27
5.4.1
Lifting the complete unit ............................................................ 27
5.4.2
Lifting the pumphead ................................................................. 28
5.4.3
Lifting the pump cover ............................................................... 28
5.5
Placing the pump .................................................................................. 28
6
COMMISSIONING
6.1
Preparations ......................................................................................... 31
6.2
Commissioning ..................................................................................... 31
7
OPERATION
7.1
Temperature ......................................................................................... 32
7.2
Power rating ......................................................................................... 32
7.3
Dry running ........................................................................................... 34
7.4
Hose failure .......................................................................................... 35
7.5
Fluid leakage ........................................................................................ 35
8
MAINTENANCE
8.1
General ................................................................................................. 37
8.2
Maintenance and periodic inspections ................................................. 38
8.3
Cleaning the pump hose ...................................................................... 40
8.4
Changing lubricant ............................................................................... 40
8.5
Changing oil in gearbox ........................................................................ 41
8.6
Replacing pump hose ........................................................................... 41
8.6.1
Removing pump hose ............................................................... 41
8.6.2
Cleaning the pump head ........................................................... 44
8.6.3
Fitting the pump hose ................................................................ 45
8.7
Exchanging replacement parts ............................................................. 48
8.7.1
General ..................................................................................... 48
8.7.2
Replacing pressing shoes ......................................................... 48
8.7.3
Replacing seal and wear ring .................................................... 50
8.7.4
Replacing bearings ................................................................... 54
8.8
Adjusting hose compression force (shimming) ..................................... 55
8.9
Fitting options ....................................................................................... 58
8.9.1
Fitting a high-level float switch .................................................. 58