Lenze 13.7xx Motors-Geared motors - Manual (Page 37)

Commissioning and operation
Before switching on
Functional test of motor series13.7LL
6
l
37 BA 13.0009 − EN 2.1
6.1.1 Functional test of motor series13.7
LL
Commission drives and check all individual functions, like for instance:
– torque behaviour and current consumption,
– braking effect of the brake mounted
– output signal of the encoder system
ƒ In the case of failures or faults, see chapter 8 Troubleshooting and fault
elimination".
6.1.2 Functional test of motor series13.5
LL
Check the following items before
ƒ initial commissioning
ƒ commissioning after a longer down−time
ƒ commissioning after overhauling the motor
– Stability of all screw connections of the mechanical and electrical parts;
– Smooth−running sliding of the carbon brushes in the brush holders;
– Mounting of all brush holder pressure fingers on the carbon;
– If an oxide film has formed on the collector contact surface:
Polish it using a collector sanding bar or corund stone. On no account use solvents
for cleaning.
– Free intake and exit of the cooling air;
– Effectiveness of the protective devices against overheating (overtemperature
protector switch evaluation);
– Direction of rotation of the separate fan.
(
Stop!
Only apply armature voltage to the motor when the excitation is switched on!
If the armature voltage is applied when the excitation is not switched on, this
can destroy the motor. The motor possibly may overspeed", i. e. the speed of
the motor can increase until the rotor bursts.
ƒ Commission drives and check all individual functions, like for instance
– torque behaviour and current consumption,
– braking effect of the brake mounted,
– output signal of the encoder system.
ƒ In the case of failures or faults, see chapter 8 Troubleshooting and fault
elimination".