Mlt 2 (Field Housing) - Emerson ROSEMOUNT Analytical NGA 2000 Instruction Manual

NGA 2000 MLT Hardware
OPENING OF HOUSING
MLT 2
15.2

MLT 2 (Field Housing)

Opening Instruments installed in hazadous areas is permitted only taking
into consideration the special conditions for such areas !
Refer to the special instruction manual for operating instruments in hazadous
areas to detailled information about handling such equipment !
Live parts are accessible when working at open instruments!
The front door is closed utilizing 4 sash fasteners (fig. 15-5).
To open use a four-square Allen key shipped together with the instrument and turn the
fastener according the markings printed onto the front door.
Note!
For dual compartment housing the described opening procedure is the same for the second
housing part!
Lift left side of front panel slightly and open the door to the right side carefully.
Most components are located on a photometer slice carriage which can be pulled out to the
front after removing 2 knurled head screws (fig. 15-6). Store the screws on bolts placed
nearby the screws. Pulling out the sliding carriage in a first step is possible only to a
mechanical stop(fig. 15-6). Push the stop aside to completely pull out the carriage slide of
the housing.
Note!
Before taking the slide out of the housing disconnect all electrical and gas path connections!
Be careful when working at photometer components: HOT parts!
Repeat above steps in reverse order to assemble the housing
15 - 6
EXPLOSION HAZARD!
ELECTRICAL SHOCK HAZARD!
Instruction Manual
90002929
Emerson Process Management GmbH & Co. OHG
07/2006