4.0 Disassembly and assembly instructions ........................................ 33
4.1 Tools to be used ........................................................................................ 35
4.2 General instructions ................................................................................. 36
4.3 O-rings and lip seals ................................................................................. 36
4.4 Shutdown .................................................................................................. 36
4.5 Tightening torque [Nm] for nuts and screws ......................................... 37
4.6 Disassembly ............................................................................................... 38
4.6.1 Pump cover and rotor removal ............................................................................ 38
4.6.2 Disassembly of seals .............................................................................................. 38
4.6.2.1 Single mechanical seal ......................................................................................... 39
4.6.2.2 Lip Seal .................................................................................................................. 39
4.6.2.3 O-ring seal ............................................................................................................. 39
4.6.2.4 Double mechanical seal ...................................................................................... 40
4.6.3 Rotor case and Flushing cover disassembly ...................................................... 40
4.6.4 Gearbox disassembly............................................................................................. 40
4.6.5 Foot disassembly .................................................................................................... 43
4.7 Assembly.................................................................................................... 43
4.7.1 Foot assembly ......................................................................................................... 43
4.7.2 Gearbox assembly ................................................................................................. 44
4.7.3 Flushing cover assembly ....................................................................................... 47
4.7.4 Rotor case assembly .............................................................................................. 48
4.7.5 Seal assembly ......................................................................................................... 48
4.7.5.1 Single mechanical seal - general ......................................................................... 48
4.7.5.2 Single mechanical seal ......................................................................................... 49
4.7.5.3 Lip seal ................................................................................................................... 49
4.7.5.4 O-ring seal ............................................................................................................. 50
4.7.5.5 Double mechanical seal ....................................................................................... 50
4.7.6 Rotor and pump cover assembly ......................................................................... 51
5.0 Special tools ...................................................................................... 53
5.1 General ...................................................................................................... 53
5.2 Assembly tool for lip seals ...................................................................... 53
5.3 Assembly tool for lip seal ....................................................................... 54
5.4 Assembly tool for needle bearings ......................................................... 54
5.5 Assembly tool for cover ........................................................................... 55
5.6 Assembly tool for lip seals ....................................................................... 55
6.0 Sectional drawings and part list ..................................................... 56
6.1 Overview .................................................................................................... 56
6.2 Recommended spare parts ..................................................................... 57
6.2.1 Recommended spare parts ................................................................................... 58
6.3 Hydraulic part ........................................................................................... 59
6.3.1 Hydraulic part, complete ...................................................................................... 59
6.3.2 TopKits options ...................................................................................................... 60
6.3.2.1 Kit for flush covers ............................................................................................... 60
6.3.2.2 Service kit for quench/flush ................................................................................. 61
6.3.2.3 O-ring kit for hydraulic part ................................................................................ 62
6.3.2.4 O-ring kit for hydraulic part with safety relief valve ........................................ 63
6.3.3 Rotor case options ................................................................................................. 64
6.3.4 Pump cover ............................................................................................................ 64
6.3.4.1 Flat pump cover .................................................................................................... 64