Start-Up; Recommendation - Milton Roy MAXROY Series Actuator Capacity Control Manual

4 START-UP.

4.1

Recommendation.

!
Do not open the cover when the actuator is under power.
To avoid any risk of explosion, the actuator electric control and power
supply must be switched off before opening the cover.
Be careful not to damage the flameproof joint surfaces of

the cover either at the opening and closing of the cover.
Check its cleanliness when repositioning the cover onto the
actuator body. Tighten each cover screw.
When closing the cover, check the joints cleanliness. Be careful not to
damage the joints when repositioning the cover onto the actuator
body. Tighten each cover screw.
Screws of explosion-proof actuator body must be made of stainless
steel of class A2 or A4 of 70 daN/mm² minimum tensile strength.
In case of use in explosive dust atmosphere, check that cover
tightness gaskets are intact and make sure not to degrade the gaskets
while closing the cover.
The maximum temperatures of entry point or branching point are
68.2℃ and 71.6℃, please select proper cable or conductors for
installation.
Cable entries shall provide a level of protection equal or higher than
the one indicated on the actuator name plate. The user shall ensure a
regular cleaning of the product housing to avoid dust build-up.
Ensure that the cable glands or conduit entries comply with the
explosion-proof equipment standards and with the explosion-proof
classification. If one of them is not used, seal it with a certified and
suitable metal plug for the type of protection specified.
Figure 4. Cable glands or Conduit entries
/
English
5 threads
minimum
Page 12 of 33
Plug
5 threads