3M Dynapro ET 3250 Installation Manual - Page 2

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Installing the NEMA 4X Panel Gasket

Make the cutout and drill the holes.

Bring the power cable and the data cable

connections up to the cutout.

Place the bezel-mounted sealing gasket

(supplied) against the chassis of the ET unit so

that the gasket seals the gap between the panel

and the unit.

Depending on connector depth and cabinet

space, you may have to make your connections at

this point, before installing the unit in the cutout.

If so, skip to steps 10 and 11, then come back to

step 6.

Place the ET unit in the cutout. You may need

assistance at this point to hold the unit in place.

Attach the unit to the panel from the back using

the #10-32 screws that are supplied. Choose the

1/2" or 3/4" screws supplied, whichever is best

for the thickness of your panel.

Put a lock washer on each screw and then put a

flat washer on each screw (on top of the lock

washer).

11723 (Rev. 1.2)

3M Dynapro ET 350/355 Monitors and ET 3250/3255 Computers

Gently tighten each screw until some resistance

is encountered.

With a torque screwdriver, tighten the screws,

still in a circular sequence, to a torque of 12 inch-

pounds. This will take several passes, since each

pass reduces the previous torque setting.

Connect cables.

10.

Connect the unit to power.

11.

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