Industrial Scientific Ventis MX4 Guia De Campo página 12

Setup, Operation, and Service
Service
Door
1 Power off the pump.
2 Open the door.
3 To remove the door, lightly
press it past the full open
position (shown above).
Water barrier
1 Power off the pump.
2 Turn the pump inlet cap
counterclockwise to remove.
* Do not touch battery contacts. Do not stack batteries on top of one another. Do not mix alkaline battery types; when replacing alkaline batteries, replace
each and every battery.
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4 A wire extends from the spring
coil located inside the covered
hinge. To attach the door, ensure
the wire rests on the inside of the door.
Press the door's flexible pegs into
the pump case grooves located
above and below the covered hinge.
3 Remove the water barrier from the inlet barrel.
4 Place the new water barrier inside the inlet barrel; the side
with the larger filter surface should face the instrument operator.
Battery
WARNING: This task must be completed in an
area known to be nonhazardous.
1 Power off the pump.
2 To remove the battery* from the pump, loosen its four
captive screws.
3 Attach the battery* to the pump case back; align the
battery contacts with the top of the pump unit. Tighten
the battery's four captive screws to a torque setting of .39
Newtons per meter (55 ounces per inch).
5 Reattach the cap and
turn clockwise to tighten.