Table of contents
7.4
7.5
7.6
Switching on...........................................................................................................................94
8
Operation....................................................................................................................................................95
8.1
8.1.1
8.2
8.3
8.4
8.5
Rolling bearing faults............................................................................................................101
8.6
Deactivating .........................................................................................................................101
8.7
8.8
Non-operational periods.......................................................................................................102
8.8.1
8.8.2
9
Maintenance .............................................................................................................................................105
9.1
9.2
9.2.1
9.2.2
9.2.3
9.2.4
Main inspection ....................................................................................................................109
9.2.5
Maintenance intervals ..........................................................................................................109
9.2.6
9.2.7
Servicing the external fan.....................................................................................................110
9.2.8
9.2.9
9.2.10
9.2.11
9.2.12
9.2.13
Cleaning ...............................................................................................................................116
9.2.14
Drain condensate .................................................................................................................117
9.2.15
9.2.16
Repainting ............................................................................................................................118
9.2.17
9.3
Corrective maintenance .......................................................................................................119
9.3.1
Fundamentals ......................................................................................................................120
9.3.1.1
9.3.1.2
Screw lock washers .............................................................................................................121
9.3.2
Fan cowl...............................................................................................................................121
9.3.3
9.3.4
9.3.5
External fan cover ................................................................................................................123
9.3.6
Rolling bearing .....................................................................................................................124
6
Operating Instructions, 05/2019, A5E45959221A
1MB5 SH 400/450