ACR Electronics HydroFix 9490 - Manual (Page 15)

Y1-06-0209G 14
6.) Record the expiration date on the HRU expiration label (K) with an
indelible marker.
7.) Slide the metal mounting rod adapter (L) onto top of HRU unit.
Place the HRU release rod (C) into the mounting rod adapter,
aligning the holes.
8.) With pliers, insert slotted spring pin (I) into the aligned holes,
securing the three pieces together .(see Figure A).
9.) Place the HRU assembly with the expiration calendar facing the
bottom mounting plate and insert rod through the bottom mounting
plate hole (Figure A). Insert small cotter pin (G) through the small
hole in the rod, securing the HRU to the bottom mounting plate.
10.) Place the front cover onto the bottom mounting plate with the HRU
release rod sticking out of the front cover hole. Align the holes on
the sides of the front cover with the holes in the metal adapter
brackets (J). (see Figure A).
11.) Attach the front cover and bottom mounting plate using the 4 screws
(F) as shown in Figure A.
12.) Carefully place the EPIRB back into the bracket with the lanyard
facing toward the back of the bracket by pushing the bracket
ejector spring back and placing the beacon into the bracket. Close
the swing arm door securely to hold the beacon in place. Lock the
swing arm door in place with the door pin. Tighten all eight (8)
screws.
13.) Place HRU expiration label (K) on the outside of the bracket in a
visible location.
Figure A