WS008221A
b) Remove the screws securing the rail under the terminal block and the PEM.
c) Lift out the terminal block and the rail.
WS008220A
3. To remove the PEM, follow this procedure:
a) Disconnect the communication terminals T1 and T2 from the PEM.
b) Disconnect the control terminals on the PEM.
For Ex-proof pumps, do not disconnect T3 and T4 from the separate plinth.
c) Disconnect the functional ground.
d) Lift out the PEM.
4. To install the new PEM, follow this procedure:
a) Fit the new PEM into position. Temporarily secure with two screws.
b) Connect the functional ground.
c) Connect the control terminals.
For Ex-proof pumps, do not use connections 51 and 63 on the PEM. For Ex-proof
pumps, T3 and T4 must be connected to the separate plinth.
d) Connect the communication terminals T1 and T2.
e) Remove the two screws that temporarily secure the PEM.
5. Install the rail and terminal block. Secure with two screws.
6. Reconnect the cable leads to the terminal block.
7. To download information to the PEM, see the System Installation and Operation (SIO)
Manual for the MAS 801 monitoring equipment.
6.7 Preparing for work on the hydraulic end
Some maintenance work on the hydraulic end of the pump, such as changing the impeller or
replacing zinc anodes, requires that the pump be turned upside-down.
6 Maintenance
P7030, P7035, P7040 Installation, Operation, and Maintenance Manual
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