WBV.PU.002.EN VX186QD V2.0
6.6.2 Hydraulic drive ............................................................................................................................. 34
6.6.3 Combustion engine drive ............................................................................................................. 36
6.6.4 PTO drive ..................................................................................................................................... 37
6.7 System control ................................................................................................................................... 38
7 Start-up .................................................................................................................................................. 39
8 Maintenance .......................................................................................................................................... 41
8.1 Buffer chamber .................................................................................................................................. 41
8.1.1 Pressurisable buffer fluid tank ..................................................................................................... 42
8.1.2 Depressurised quenching fluid tank ............................................................................................ 45
8.1.3 Pressure valve ............................................................................................................................. 46
8.1.4 Plugs ............................................................................................................................................ 46
8.1.5 Buffer or quenching fluid - type .................................................................................................... 47
8.1.6 Buffer or quenching fluid - quantity .............................................................................................. 47
8.1.7 Buffer or quenching fluid - inspection and change ...................................................................... 47
8.2 Draining and cleaning the buffer chamber ........................................................................................ 48
8.3 "Dry buffer chamber" sealing system ................................................................................................ 49
8.4 Circulation system on the cartridge mechanical seal ........................................................................ 50
8.5 Gearbox ............................................................................................................................................. 51
8.5.1 Gear oil - grade ............................................................................................................................ 51
8.5.2 Gear oil - quantity ........................................................................................................................ 51
8.5.3 Gear oil – inspection and change ................................................................................................ 51
8.6 Greasing of sealing prechamber ....................................................................................................... 53
8.7 Oils and lubricants ............................................................................................................................. 54
9 Repair .................................................................................................................................................... 57
9.1 Conversion and spare parts .............................................................................................................. 57
9.2 Opening the QD cover ...................................................................................................................... 58
9.3 Rotary lobe change ........................................................................................................................... 60
9.4 How the lobe puller works ................................................................................................................. 62
9.5 Change of wear plates ...................................................................................................................... 64
9.6 Change of cartridge mechanical seal ................................................................................................ 65
9.6.1 Change of cartridge mechanical seal on the gearbox ................................................................. 65
9.6.2 Cartridge mechanical seal change on the QD cover ................................................................... 67
9.7 Closing the QD cover ........................................................................................................................ 69
9.8 Adjusting of pump housing segments ............................................................................................... 70
9.9 Reducing the starting torque ............................................................................................................. 71
10 Troubleshooting ................................................................................................................................... 72
10.1 Troubleshooting ........................................................................................................................... 72
10.2 Help .............................................................................................................................................. 72
11 Putting out of operation and disposal................................................................................................ 74
12 Maintenance plan ................................................................................................................................. 76
12.1 Maintenance instructions ............................................................................................................. 76
12.2 Maintenance intervals .................................................................................................................. 76
12.3 Additional maintenance intervals for pumps with belt drive ......................................................... 77
13 Service plan .......................................................................................................................................... 78