
5.2 Operation procedure of startup (auto-control mode)........................................................................................... 55
5.3 Shutdown operation............................................................................................................................................. 59
5.4 Emergency stop and restart procedure................................................................................................................. 60
6 Maintenance and repair........................................................................................................................................... 61
6.1 Precautions for inspection, repair and maintenance ............................................................................................ 61
6.2 Daily inspection and periodical inspection.......................................................................................................... 62
6.2.1 List of daily inspection items............................................................................................................................ 62
6.2.2 List of periodical inspection items.................................................................................................................... 63
6.3 Maintenance of mechanical parts ........................................................................................................................ 64
6.4 Replacement of circulating lubrication oil........................................................................................................... 64
6.4.1 Specifications of lubrication oil........................................................................................................................ 64
6.4.2 Oil drain and refill ............................................................................................................................................ 65
6.5 Other lubrication points....................................................................................................................................... 65
6.6 Adjustment items and methods............................................................................................................................ 66
6.6.1Adjustment of configuration............................................................................................................................. 66
6.6.2 Removal and installation of taper sleeve.......................................................................................................... 67
6.6.3 Replacement of bearing pedestal seals ............................................................................................................. 67
6.7 Malfunction and troubleshooting......................................................................................................................... 70
6.8 Tools for repair and maintenance......................................................................................................................... 72
6.9 Long-term out-of-service..................................................................................................................................... 73
6.10 Exploded diagram of various parts.................................................................................................................... 73
6.10.1 Feeding bin..................................................................................................................................................... 73
6.10.2 Feeder............................................................................................................................................................. 74
6.10.3 Upper-pass conditioner................................................................................................................................... 77
6.10.4 Lower-pass conditioner................................................................................................................................... 79
6.10.5 Steam and water addition pipeline for upper conditioner (SPTZ45_2, SPTZ39_2)....................................... 84
6.10.6 Seal plate assembly and bearing pedestal assembly of conditioner................................................................ 85
6.10.7 Steam pipeline for lower-pass conditioner ..................................................................................................... 87
6.10.8 Main motor and power transmission .............................................................................................................. 89
6.10.9 Extruder barrel................................................................................................................................................ 90
6.10.10 Screw head assembly.................................................................................................................................... 91
6.10.11 Discharge device........................................................................................................................................... 92
6.10.12 TypeⅠdie plate assembly............................................................................................................................. 93
6.10.13 Type II die plate assembly ............................................................................................................................ 93
6.10.14 Cutting rotor assembly.................................................................................................................................. 94
6.10.15 Lubrication oil way....................................................................................................................................... 95
6.10.16 Cutting blade installation fixture .................................................................................................................. 96
6.10.17 Steam pipeline system .................................................................................................................................. 96
6.10.18 Water pipeline system................................................................................................................................... 97