Rockwell Automation 140G-Rx Installation Instruction-140G-R User Manual
Page 12
DIR 1000682R0002 (L5757)
(12)
- If the undervoltage release is installed, disassemble the coil support and unload the springs of the operating mechanism by
closing and opening the circuit-breaker.
Fig. 20
8.3.5. Mechanical operating mechanism
- Clean the points indicated in figure 21. Use a cleaning product such as Henkel’s 273471 or equivalent if there is a heavy coat-
ing of dirt.
- Lubricate the opening and closing latches and the shafts in the points indicated in figure 21.
- Make sure that the opening and closing shafts are free to turn.
Fig. 21
8.3.6. Electrical and mechanical accessories
- Make sure that the accessories are securely fixed to the circuit-breaker.
- Make sure that the electrical accessories are correctly connected to the circuit-breaker.
- Gearmotor: after every 10000 operations, check the brushes for wear and replace the gearmotor if necessary.
- Make sure that the releases (opening/undervoltage/closing) are in good conditions (absence of excessive wear, overheating,
breakages) Fig. 22.
Make sure that the mechanical operation counter functions correctly (if applicable) by operating the circuit-breaker.
17.7 lb-in
2 Nm
2
Warning
lever
1
1
Fig. 22
WARNING: warning lever has to be activated only in case of coils set substitution. Do not operate it in other
conditions