Replacing the Meter's Sensor Pickup
OP
TURBO
DISC
IND’L
Figure 6: Meter mount components
To replace the sensor pickup on your meter, follow these steps:
Industrial turbo meter
1 . Remove the front cover from the ER-9 unit and disconnect all wiring .
2 . Remove meter head bolts and the lift meter head assembly from the housing .
3 . Remove the retaining ring that holds the accessory unit to the head .
4 . Loosen the side seal screw on the accessory adapter, twist 90° and pull entire assembly unit from the meter head .
5 . Twist the drop pipe in counterclockwise direction to remove it and the ER-9 unit from the adapter assembly .
6 . Attach the new adapter assembly to the drop pipe and ER-9 unit .
7 . Reverse the balance of the above steps to re-assemble the unit .
Disc meter
1 . Remove the front cover on the ER-9 unit and disconnect the sensor wiring .
2 . Loosen the side seal screw on the assembly adapter, twist the adapter 90° and lift the entire accessory unit off the
bare meter .
3 . Pull the reed switch pickup assembly and pad from the adapter .
4 . Replace the reed switch pickup and pad in the adapter, feeding the wires up through the drop pipe .
5 . Reposition the entire assembly on meter .
6 . Rewire the sensor to the ER-9 unit .
Oscillating piston meter
1 . Remove the front cover on the ER-9 unit and disconnect the sensor wiring .
2 . Remove the back plate on the meter to expose the pickup assembly .
3 . Remove the reed switch pickup assembly and replace it .
4 . Feed the wires up through the drop pipe .
5 . Reassemble the back plate to the meter .
6 . Rewire the sensor wires to the ER-9 unit .
Industrial Registers, Model ER-9 Digital Resettable Totalizer
Page 14
August 2018
REG-UM-00836-EN-12
