8. UNDERHÅLL ...................................................................................................................................................................331
8.2. UNDERHÅLLSSCHEMA.....................................................................................................................................................................................331
8.3. UNDERHÅLLSARBETE ......................................................................................................................................................................................331
8.3.1. RENGÖRING...............................................................................................................................................................................................331
8.3.2. UNDERHÅLLSFÖRUTSÄTTNING ........................................................................................................................................................331
8.3.3. NÖDVÄNDIGT UNDERHÅLL ................................................................................................................................................................331
8.4. ÅTGÄRDER EFTER UNDERHÅLL ...................................................................................................................................................................332
9. STÖRNINGAR .................................................................................................................................................................332
10.2. DEMONTERING ................................................................................................................................................................................................335
10.3. BORTSKAFFANDE ............................................................................................................................................................................................335
311/390
SV