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Note…ATC-125 only
The system is filled with the flammable gas propylene.
F. Removal of Well, all Models
(Exploded views, pos. 5).
Please follow steps A through D for all models.
Remove the thin aluminium plate
placed above the transformer by
pulling it up.
Remove the M4 nut and the
washers securing the protective
conductor with a 7-mm socket
wrench.
In the ATC-250/320/650 A/B
models you will find 2 protective
wires.
Now retract the aluminium plate in
front of the well.
This plate is mounted on the well in
ATC-140/157 A/B and cannot be
retracted.