Yokogawa MLD - Manual (Page 10)

IM 61A01A01-01E-A
6. ROTATING DISPLAY DIRECTION
The loop indicator display is designed so that it can be rotated in 90 degree increments. This is
accomplished by ordering the unit as a horizontal pipe mount or a vertical pipe mount. However there
may be the need for the customer to change the angle of the display. The following are procedures for
the display rotation:
Display rotation of MLA Analog type
WARNING: The MLA loop indicator contains a very delicate meter movement which can easily
be damaged if care is not taken. When performing the following modification avoid contact with
the pointer and any of the internal meter movement to avoid damage.
(1) Remove power from the unit.
(2) Remove the glass cover from the display side.
(3) Remove the 2 small screws holding the scale plate onto the meter.
(4) Carefully remove the scale from the unit (avoid touching the pointer).
(5) You will notice 2 screws at the 9 and 3 o’clock positions in the bottom of the housing. Remove
these screws.
(6) Rotate the meter to the position desired.
(7) Replace screws in the 9 and 3 o’clock positions and tighten firmly.
(8) Carefully put the scale back on the unit (avoid touching the pointer).
(9) Replace the 2 scale mounting screws.
(10)
Replace the glass cover.
Display rotation of MLD Digital type
(1) Remove power from the unit.
(2) Remove the glass cover from the display side.
(3) Remove the 2 screws holding the mounting plate to the standoffs.
(4) Rotate the display to the desired position (can be rotated in 90 degree increments).
(5) Replace and tighten firmly the 2 screws into the standoffs.
(6) Replace the glass cover.