AMOT 10GEF, Operation And Maintenance Manual, Page: 38 / 80

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Electric Actuator
Rev 12 – NOV 2019 OMMG00012
5 Remove the four bolts and spring washers (Fig 12 items 1 and 2)
securing the actuator mounting plate to the valve.
WARNING
The actuator is heavy (EA100 – 16.6 kg and EA200 – 22 kg). The
appropriate manual handling precautions must be applied to prevent
personnel injury.
6 Carefully lift the actuator complete with mounting plate from the valve.
Installation
1 Ensure that the mounting plate is secured to the underside the actuator
with the four bolts tightened to the relevant torque setting detailed in
Table 3 page 36.
2 Manually operate the actuator to the low temperature position.
3 Mount the actuator, complete with mounting plate onto the valve body
and secure with the four bolts and washers (Fig 12 items 1 and 2).
Tighten the bolts to the relevant torque setting detailed in Table 3 page
36.
WARNING
The actuator wires carry lethal mains voltages. Actuator wiring must
be isolated before feeding and connecting it to the actuator.
4 Ensure the actuator electrical power supplies are switched off and
isolated.
5 Feed the electrical wiring through the required cable entry in the
actuator.
6 Route the wiring around the motor to the terminal strip, avoiding the
actuator moving parts (refer to Fig 11 page 33).
7 Connect the wires to the terminal strip in accordance with the relevant
system wiring diagram in Section 7 (System Integration).
8 Examine the actuator cover O ring for damage, replace if necessary.
9 Fit the actuator cover and secure with the socket headed screws.
10 Wind the handwheel and ensure that movement is free and smooth over
its full range of operation.
11 Energise the actuator power supply and control circuits and check for
correct operation.
4.8.2 Lubrication
To enable the actuator to be mounted in any position, a totally sealed and
permanently lubricated gear case is used. During long periods of storage, it is
not unusual for a very small amount of lubricant to weep from shaft seals. In
this event, wipe up the weeping lubricant with a clean cloth. During operation,
the weeping should disappear.