Jouan B4i - Solenoid Replacement; Power Supply Rack Replacement; Rack Replacement for the B4 I

B4i-M
4 - 5
4.4.4. SOLENOID REPLACEMENT
Dismounting
- Disconnect the solenoid by cutting the 2 wires at the level of the sleeves.
- Supporting the solenoid, unscrew the screws on the back of the lid lock assembly panel.
Refitting
- Carry out the above operations in the reverse order.
- Check the stroke of the solenoid mobile core is unimpeded.
- Resolder the 2 wires to the solenoid, not forgetting to fit the insulating sleeves.
NB : Solenoid microswitch and lid lock microswitch replacement can be performed without having to
remove the whole lid lock assembly.
4.5. POWER SUPPLY RACK REPLACEMENT
4.5.1. RACK REPLACEMENT FOR THE B4i
Dismounting
- Remove the front panel.
- Unscrew the 2 screws at the back of the machine.
- Unscrew the screw situated in front of the transformer.
- Remove all electrical connections : J1, J2, J9, J12, J13, supply and earth cables.
- Remove the rack.
Refitting
- Carry out the above operation in the reverse order.