① O-ring position
Fig. 9-2: O-ring on cable gland
WARNING! Improperly inserted or missing O-rings may lead to loss of
the motor protection and to explosion hazard of Ex-type motors.
⇒ Before attaching the adapter plate to the power cable, visually check
the O-ring on the cable gland of the power cable to verify its proper state
and correct position. Do not use the power cable if the O-ring is missing.
In this case, please contact your local Rexroth sales or service partner.
6. Run the power cable to the adapter plate through the opening into the
terminal box and reattach the adapter plate to the terminal box.
Tightening torque of the screws ⑥: 9 Nm (±10%)
WARNING! Improperly inserted or missing O-rings may lead to loss of
the motor protection and to explosion hazard of Ex-type motors.
⇒ Before attaching the adapter plate ⑥ to the terminal box, check the
O-ring ⑤ inserted into the adapter plate to verify its proper state and
correct position.
7. Connect the wires according to the standard or double cabling connec‐
tion diagram.
Please observe the following tightening torques:
Screw tightening torques in Nm (±10%) for MAD/MAF power connection
to terminal boxes of "D, E, G, H" design
Terminal box to
U-V-W PE
M6 M12 M8 M12
MAD/MAF100 ... 160 2.5 - / - 3.5 - / -
MAD/MAF180 ... 225 - / - 14 - / - 20
Tab. 9-1: Screw tightening torques in Nm in "D, E, G, H" terminal box
8. Close and attach the terminal box lid.
Apply Loctite 243 (liquid screwlock) to the thread of the mounting
screws for the lid ① and then attach the lid with all of the mounting
screws.
Tightening torque of the screws: 6.5 Nm (±10%)
WARNING! Improperly inserted or missing seals may lead to loss of the
motor protection and to explosion hazard of Ex-type motors.
⇒ Before attaching the lid to the terminal box, check the glued-in seal ②
on the terminal box lid to verify its proper state and correct position.
Bosch Rexroth AG DOK-MOTOR*-IDYN*A*EXPD-IB05-EN-P38/69
Rexroth MAD and MAF Motors in EX px d Design acc. to ATEX Directive 2014/34/EU
Connection system
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