Furuno FR-2155 - Manual (Page 16)

1-8
b) While pushing the stopper, set the catch on the display unit in the hole at the
front edge of the stay.
Catch
Stopper
Stay
Figure 1-7 Setting catch to hole in stay
c) Release hand from stopper.
Release stopper;
fix stay.
Figure 1-8 Stay fixed
6. Fasten the display unit to the mounting location at front fixing holes (2 points)
with M10 bolts, nuts and flat washers, using the pipe box spanner (supplied).
You cannot fasten the display unit at the rear fixing holes while the monitor is
raised.
7. Retract the stay and lower the monitor.
8. Fasten the display unit to the mounting locations at rear fixing holes (2 points)
with M10 bolts, nuts and flat washers, using the pipe box spanner (supplied).
The rear left hole is hid under the PTU cover. Remove the cover as follows:
(1) Unfasten five M3x8 screws at the top of the PTU cover and two M4x8
screws at the front of the cover to slide the cover toward the front side.
(2) Remove the cover by grasping the knob on the top of the cover.