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von 37
V 07.17
Service Manual BXT3-13/16/19
ENGLISH
5.1.2
Replacing the electronics
Dismantling
►
Remove the LCD operating unit (chapter 5.1.1).
►
Remove the three PT-screws # 198 that hold the Cont-
rol Board # 214 and the hold-down device # 209.
►
Lift the control board slightly on its side and free it out
of the guides of the right body side by pulling it to the
left.
►
Also lift the hold-down device # 209 on its side and pull
to the left out of the guides.
►
Pull the control board as far as possible to the rear out
of the housing and release all plug connectors one by
one separately.
►
Press the rear battery contact plate upwards with your
finger from the battery bay and remove the entire Cont
-
rol Board unit to the rear out of the device.
Fitting
►
Carry out the assembly in reverse order.
►
Tighten PT-screws # 198 with a torque of 0.4 Nm.
5.2
Housing parts
On many repair and service jobs, sufficient access to the mechanical components is already created by removal of
the right housing shell half.
5.2.1
Removing the right housing part
Dismantling
►
Remove the UI (chapter 5.1.1)
►
Loosen three cylinder screws # 184 und nine PT-
screws # 197 and remove them.
►
Remove the housing from the battery compartment by
hand and remove the right housing shell.
Fitting
►
Carry out assembly in the reverse order. Observe the
correct position of the wiring! (Chapter 5.11).
►
Tighten cylinder screws # 184 and PT-screws # 197
with a torque of 1.0 Nm.
5.2.2
Removing the left housing part
The left housing part only has to be removed in case of fundamental work on the mechanical components or wiring.
Dismantling
►
Right housing form is removed (Chapter 5.2.1)
►
Disconnect the motor plug connections (motor phases and encoder / Hall sensor) from the electronics.
►
Disconnect the connection from the micro switch # 106 to the wiring harness # 103.
►
Remove the side cover (see also chapter 4.1.1)
►
Raise the housing part in the area of the type plate, pull it over the stop in the base plate and push it away as far
as possible (see red arrow), so that the cylinder screw (Torx) # 184 is accessible.
►
Remove the cylinder screw #184 which holds the holder # 79 in position.
198
209
214
184
197
