Hidrostal A2Q - Page 4

Table of contents
iv / 49 Hidrostal AG
5.1.5 Crane transport of unpacked pump .......................................................................................25
5.2 Storage ............................................................................................................................................. 25
6 Installation and initial commissioning ..................................................................................................27
7 Operation and special operation............................................................................................................28
7.1 Pumping the sump dry...................................................................................................................... 28
8 Maintenance.............................................................................................................................................29
8.1 Maintenance schedule...................................................................................................................... 29
8.2 Service connections and inspection openings.................................................................................. 30
8.3 Tightening torque for greased screw thread ..................................................................................... 31
8.4 Maintenance work............................................................................................................................. 31
8.4.1 Preparation tasks for maintenance ........................................................................................31
8.4.2 Visual inspection ....................................................................................................................31
8.4.3 Check/readjust impeller clearance.........................................................................................32
8.4.4 Checking the oil .....................................................................................................................35
8.4.5 Replacing the pump ...............................................................................................................37
8.5 Measures after completion of work................................................................................................... 40
9 Faults ........................................................................................................................................................41
9.1 Safety................................................................................................................................................ 41
9.2 Fault table ......................................................................................................................................... 42
9.3 Measures after completion of work................................................................................................... 45
10 Disassembly.............................................................................................................................................47
10.1 Safety................................................................................................................................................ 47
10.2 Disassembly ..................................................................................................................................... 47
10.3 Disposal ............................................................................................................................................ 48
11 Appendix ..................................................................................................................................................49