WBV.PU.002.EN VX136Q V2.0
6.6.2 Hydraulic drive ............................................................................................................................. 34
6.6.3 Combustion engine drive ............................................................................................................. 35
6.6.4 PTO drive ..................................................................................................................................... 36
6.7 System control ................................................................................................................................... 37
7 Start-up .................................................................................................................................................. 38
8 Maintenance .......................................................................................................................................... 40
8.1 Buffer chamber .................................................................................................................................. 40
8.1.1 Pressurisable buffer fluid tank ..................................................................................................... 41
8.1.2 Depressurised quenching fluid tank ............................................................................................ 44
8.1.3 Pressure valve ............................................................................................................................. 45
8.1.4 Plugs ............................................................................................................................................ 45
8.1.5 Buffer or quenching fluid - type .................................................................................................... 46
8.1.6 Buffer or quenching fluid - quantity .............................................................................................. 46
8.1.7 Buffer or quenching fluid - inspection and change ...................................................................... 46
8.2 Draining and cleaning the buffer chamber ........................................................................................ 47
8.3 "Dry buffer chamber" sealing system ................................................................................................ 48
8.4 Circulation system on the cartridge mechanical seal ........................................................................ 49
8.5 Gearbox ............................................................................................................................................. 50
8.5.1 Gear oil - grade ............................................................................................................................ 50
8.5.2 Gear oil - quantity ........................................................................................................................ 50
8.5.3 Gear oil – inspection and change ................................................................................................ 50
8.6 Greasing of sealing prechamber ....................................................................................................... 52
8.7 Oils and lubricants ............................................................................................................................. 53
9 Repair .................................................................................................................................................... 56
9.1 Conversion and spare parts .............................................................................................................. 56
9.2 Opening the Q cover ......................................................................................................................... 57
9.3 Rotary lobe change ........................................................................................................................... 58
9.4 How the lobe puller works ................................................................................................................. 60
9.5 Change of wear plates ...................................................................................................................... 62
9.6 Change of cartridge mechanical seal ................................................................................................ 63
9.7 Closing the Q cover ........................................................................................................................... 65
9.8 Adjusting of pump housing segments ............................................................................................... 65
9.9 Reducing the starting torque ............................................................................................................. 66
10 Troubleshooting ................................................................................................................................... 67
10.1 Troubleshooting ........................................................................................................................... 67
10.2 Help .............................................................................................................................................. 67
11 Putting out of operation and disposal................................................................................................ 69
12 Maintenance plan ................................................................................................................................. 71
12.1 Maintenance instructions ............................................................................................................. 71
12.2 Maintenance intervals .................................................................................................................. 71
12.3 Additional maintenance intervals for pumps with belt drive ......................................................... 72
13 Service plan .......................................................................................................................................... 73
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