Maintenance
Instruction handbook BUM 60 / BUS 60
Document No.: 5.01032.05
63
of 82
9
m Solenoid switch and relay in the power supply circuit
Check points Methods and criteria Inspection intervals
Daily Semi-
annu
-
ally
Annu-
ally
Are there any loose screws? Visual and audio check Tighten screws, if necessary. O
Do the switches function correctly? Visual inspection O
m Plug connectors in the power supply circuit
Check points Methods and criteria Inspection intervals
Daily Semi-
annu
-
ally
Annu-
ally
Are there any loose screws or connectors? Tighten screws and firmly stick in plug connector. O
Are there any noticeable odors or color
changes?
Visual inspection and odor check O
Is there any cracking, damage, deformation or
corrosion?
Visual inspection O
Is there any leaking fluid or deformation of the
capacitors?
Visual inspection O
m Cooling system fans
Check points Methods and criteria Inspection intervals
Daily Semi-
annu
-
ally
Annu-
ally
Are there any abnormal noises or vibrations? Visual and audio check O
Are there any loose screws? Tighten the screws. O
m Cooling system ventilation duct
Check points Methods and criteria Inspection intervals
Daily Semi-
annu
-
ally
Annu-
ally
Are there any obstructions in the heat sink, air
supply or air outlet?
Visual inspection O
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