
C O L U M B U S
G r i n d i n g m a c h i n e s a n d a c c e s s o r i e s
OPERATING INSTRUCTIONS
16
5
MAINTENANCE
Machines and appliances have to be kept dry and to be protected against frost and
heat.
Motor and gear of the machines are maintenance-free, only the dirt residues under
the motor cover have to be removed regularly thus guaranteeing a good cooling of
the motor.
Machines and appliances may only be cleaned with a dry or with a gentle detergent
slightly moistured cloth. No wet cleaning otherwise endangering the electrical safety.
When the suction efficiency is decreasing the cloth filter cartridge in the suction unit
GK has to be cleaned. The filter cap has only to be batted. If necessary the filter
plate beneath (fleece) has to be replaced.
When extremely soiled dust bag and motor filter may be washed in lukewarm water
with gentle washing-powder. However both may only be fitted again after complete
drying.
Maintenance inspection and repair work (including change of the main cable and
carbon brushes of the motor) may only be carried out by authorized service centers or
qualified trained personnel.
After approximately 600 working hours the carbon brushes of the motor have to be
replaced.
When using extension cords or replacing main cables it has to be taken care that the
same comply with our specifications PVC sheated cables H05W-F in accordance with
DIN 57281/VDE 0281. The plugs have to be # of rubber or PVC and the outlet direc-
tion of the cable has to correspond with the direction of the plug pins. When changing
the main cable the under chapter 4 stated relevant safety regulations have to be kept
to.
Summary of Contents for 135SH
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