Maintenance
Instruction handbook b maXX BM4400, BM4600, BM4700
Document No.: 5.12008.07
265
of 358
10
m Connections and circuitry of the mains power supply
Check points Methods and criteria Inspection intervals
Daily Semi-
a
nnu-
ally
Annu-
ally
Does the wiring indicate any color or shape
changes due to overh
eating?
Visual inspection O
Is the wiring insulation damaged or is it discol-
ored?
Visual inspection O
Is there any damage? Visual inspection O
m Transformer and chokes in the main circuit
Check points Methods and criteria Inspection intervals
Daily Semi-
a
nnu-
ally
Annu-
ally
Are there any abnormal vibrations or noticeable
odor
s?
Visual inspection, audio check and odor check O
m Solenoid switch and relay in the power supply circuit
Check points Methods and criteria Inspection intervals
Daily Semi-
a
nnu-
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-
an
nu-
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
c
orrosion?
Visual inspection O
Is there any leaking fluid or deformation of the
cap
acitors?
Visual inspection O
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