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Table of Contents
PLEASE READ ALL WARNINGS, CAUTIONS
AND NOTES CAREFULLY
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SECTION 1 – INTRODUCTION
Congratulations and thank you for purchasing the ACR HydroFix™
Hydrostatic Release Unit (HRU) replacement for your ACR Category I
EPIRB.
ACR designs, manufactures and distributes quality products knowing
they are used to save lives. Many of our products are required to be
tested and approved by regulatory bodies worldwide. We believe in
going beyond those specifications to ensure our products work when
needed in real world conditions. With proper care and maintenance your
ACR product will last for years.
ACR is proud to be certified to ISO 9001: 2000, the International
Standard for Quality.
This manual provides installation instructions for the HydroFix™
Hydrostatic Release Unit (HRU).
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SECTION 2 – PREPARING TO INSTALL
UNPACKING THE HydroFix™ HRU
The HydroFix™ HRU Kit is a universal kit in that it is used for all
Category I ACR EPIRBs. The kit components that are required to
replace the HRU in a particular model will vary with the EPIRB bracket
you are servicing. The content of the universal HRU kit includes the
following:
Figure 1
Figure 1 items:
A
B
C
D
E
F
G
H
I
Category I bracket (SeaShelter™) release rod
Capsule design release rod
Open faced release rod
Keyed bracket adapter
Replacement hydrostatic release unit (HRU)
Mounting screws (4)
Cotter pin, small
Cotter pin, large
Slotted spring pin (2)
J
K
L
Mounting bracket adapter (2)
HRU expiration label
Mounting rod adapter (metal)
M
Category I bracket (SeaShelter™ ) release rod
3
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If any of the above is missing, please contact ACR Electronics’
Technical Service by email at service@acrelectronics,com or by phone
at +1 (954) 981- 3333.
Equipment that may be required but is not included:
// Black indelible marker
// Phillips-head screwdriver
// Flat-head screwdriver
// Pliers
Notes, Cautions and Warnings
The following notes, cautions and warnings apply to all EPIRBs and
must be followed for personal safety and proper HRU replacement.
WARNING: Failure to replace the entire assembly can cause the
bracket to malfunction.
WARNING: Do not use any parts from the old HRU (the one being
replaced).
WARNING: The HRU holds down the ejector spring. Take great
care to hold the spring in place during removal and installation of the
new HRU to prevent injury.
WARNING: Stow the EPIRB in a dry location as it will activate if out
of the bracket and wet.
WARNING: Non-ACR-supplied hydrostatic release units must not be
installed in ACR Category I EPIRB brackets. ACR cannot and does not
warrant the performance of other manufacturers’ products. Installation
of a non-ACR-supplied HRU voids the warranty and potentially
jeopardizes your safety.
CAUTION: Visually check the EPIRB when removing it from the
bracket. It must be sent back to ACR for check up and/or refurbishment
if ANY of the following conditions exist:
•
•
•
•
Cracks to the exterior plastics
Activation indicator break tab is broken
Moisture appears inside the EPIRB
Lacquer is not present in one of the screws or appears to have been
tampered with
NOTE: Some parts in this kit will not be used. Refer to Figure 1 and the
instructions for your specific model for details. Discard unused parts.
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SECTION 3 – HOW TO DETERMINE HRU EXPIRATION
DATE
The ACR HydroFix™ HRU is a replaceable part and, as such, has
dating associated with it. The HRU must be replaced two (2) years
from the install date or four (4) years from the date of manufacture,
whichever is less.
The HRU has a calendar on its top side; the calendar should be marked
with the expiration date at the time of installation, according to the
following instructions.
Date of Installation Example:
Date of installation of New HRU or
first installation of EPIRB including
new HRU: August 1, 2009.
This unit will need to be replaced in
August 2011.
Mark off “AUG 8” and “2011” on the
HRU date calendar
Date of Manufacture Example:
On the bottom of the HRU a date of
manufacture is pin stamped: 0808.
This unit will need to be replaced
in August 2012.
Mark off “AUG 8” and “2012” on the
HRU date calendar
Figure 2
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SECTION 4 – INSTALLING THE HRU IN A SeaShelter ™
3
BRACKET
The following ACR EPIRBs are compatible with the SeaShelter ™ (ACR
3
P/N 9501):
GlobalFix™ iPRO, or models RLB-36 and higher
Contents of the HydroFix™ HRU Kit that you will need:
HydroFix™ Replacement
Hydrostatic Release Unit (E)
Large cotter pin (H)
HRU expiration label (K)
SeaShelter ™ release
3
rod (M)
Instructions:
1.) Remove the front cover of the bracket and carefully release the
EPIRB from the bracket.
Figure A
2.) Remove the old HRU unit and rod from
the bracket by pressing the spring
release back and rotating the old HRU
out of the bracket.
3.) Take the SeaShelter ™ release rod (M)
3
and place it on top of the rod on the
HRU, aligning the two sets of holes on
the base (see Figure A).
4.) Place large cotter pin (H) inside the two holes, securing the two rods
together.
5.) Mark the expiry date on the HRU according to the instructions in
Section 3.
6.) Record the expiration date on the HRU expiration label (K) with an
indelible marker.
7.) Push the release spring back against the bracket aligning the holes
on the spring with the holes on the back of the bracket.
8.) Take the assembled HRU and place the end of the HRU through the
slot.
9.) Turn the HRU to the left side of the bracket (see Figure B).
10.) This will lock the HRU and spring into place. Carefully release the
HRU and make sure it is securely in place.
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11.) Reinstall the beacon with the lanyard
facing toward the back of the bracket.
12.) Place the bracket top cover on top of the
bottom cover.
Figure B
13.) Make sure the bottom hinge and the top
handle are securely connected.
14.) Place HRU expiration label (K) on the
outside of your bracket in a visible
location.
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SECTION 5 – INSTALLING THE HRU IN A SeaShelter ™
2
BRACKET
The following ACR EPIRBs are compatible with
the SeaShelter ™ (ACR P/N 9435/9455):
2
GlobalFix™ 406
RapidFix™ 406
SATELLITE 406™
2
SATELLITE 406™ (discontinued
product)
Contents of the HydroFix™ HRU Kit that you will need:
HydroFix™ Replacement
Hydrostatic Release Unit (E)
SeaShelter™ release rod (A)
Keyed bracket adapter (D)
Large cotter pin (H)
HRU expiration label (K)
Instructions:
1.) Remove the front cover of the bracket and carefully release the
EPIRB from the bracket.
2.) Remove the old HRU unit and rod from the
Figure A
bracket by pressing the spring release back
and sliding the old HRU up and out of the
bracket.
3.) Take the SeaShelter ™ release rod (A) and
2
place it on top of the rod on the HRU,
aligning the two sets of holes on the base
(see Figure A).
4.) Place large cotter pin (H) inside the two
holes, securing the two rods together.
5.) Place keyed bracket adapter (D) on the bottom of the HRU. This
part is keyed so that it will fit together only one way. Turn to the right
until it snaps into place.
6.) Mark the expiry date on the HRU according to the instructions in
Section 3.
7.) Record the expiration date on the HRU expiration label (K) with an
indelible marker.
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8.) Push the release spring back against the bracket aligning the holes
on the spring with the holes on the back of
Figure B
the bracket.
9.) Take the assembled HRU and place the
washer end of the HRU through the larger
top hole and slide down into the smaller
slot.
10.)Turn the HRU to the left side of the bracket
(see Figure B).
11.)This will lock the HRU and spring into
place. Carefully release the HRU and make
sure it is securely in place.
12.)Reinstall the beacon with the lanyard facing
toward the back of the bracket.
13.)Place the bracket top cover on top of the bottom cover and
maneuver the HRU rod to come out the rod hole on the bracket.
14.)Make sure the bottom hinge and the top bracket are securely
connected.
15.)Place a cotter pin into the top of the HRU release rod locking the top
cover in place.
16.)Place HRU expiration label (K) on the outside of your bracket in a
visible location.
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SECTION 6 – INSTALLING THE HRU IN A SeaShelter™
BRACKET
The ACR SeaShelter™ is a discontinued
product that looks like this:
Contents of the HydroFix™ HRU Kit that you will need:
HydroFix™ Replacement Hydrostatic Release Unit (E)
SeaShelter™ release rod (A)
Keyed bracket adapter (D)
Large cotter pin (H)
HRU expiration label (K)
Tools required: Flat-head screwdriver
Instructions:
1.) Remove the front cover and
Figure A
carefully release the EPIRB
from the bracket. If the front
cover of the SeaShelter™
contains
a
metal bushing
where the HRU rod is secured
close (see Figure A), use a
flat-head screwdriver and pry
the bushing out of the top case and discard. This bushing prevents
the HRU rod from securing to the cotter pin.
2.) Remove the old HRU unit and rod from the bracket by pressing the
spring release back and sliding the old HRU up and out of the
bracket.
3.) Take SeaShelter™ release rod (A) and place it on top of the rod on
the HRU aligning the two sets of holes on the base (see Figure B).
4.) Place large cotter pin (H) inside the two holes, securing the two rods
together.
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5.) Place keyed bracket adapter (D) on the
bottom of the HRU. This part is keyed so
that it will fit together only one way. Turn to
the right until it snaps into place.
Figure B
6.) Mark the expiry date on the HRU
according to the instructions in Section 3.
7.) Record the expiration date on the HRU
expiration label (K) with an indelible marker.
8.) Push the release spring back against the
bracket aligning the holes on the spring with
the holes in the back of the bracket.
9.) Take the assembled HRU and place the washer end of the HRU
through the larger top hole and slide down
into the smaller slot (see Figure C), locking
the HRU and spring into place.
10.)Carefully release the HRU and make sure it
is securely in place.
11.)Reinstall the beacon with the lanyard facing
toward the back of the bracket.
12.)Put the top cover on the base, maneuvering
the HRU through the rod hole on the
bracket.
13.)Verify the bottom hinge and the top bracket
are securely connected.
14.)Place a cotter pin into the top of the HRU
release rod, locking the top cover in place.
15.)Place HRU expiration label (K) on the
outside of the bracket in a visible location.
Figure C
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SECTION 7 – INSTALLING THE HRU IN AN OPEN
FACED BRACKET
The ACR open faced bracket is a
discontinued product that looks like this:
Contents of the HydroFix™ HRU Kit that you will need:
HydroFix™ Replacement
Hydrostatic Release unit (E)
Open faced release rod (C)
2 Mounting bracket adapters (J)
Mounting rod adapter, metal (L)
Small cotter pin (G)
4 Mounting bracket screws (F)
HRU Expiration Label (K)
Slotted spring pin (I)
Tools required: Phillips-head screwdriver,
pliers
Instructions:
1.) Unscrew the four side screws removing the front cover from the
bottom mounting plate, keeping the screws.
2.) Unscrew the spring loaded HRU Rod from the bracket and remove
the expired HRU. Discard all HRU rods and components.
3.) Align mounting bracket adapters (J) with the screw holes on the
bottom mounting plate (see Figure A).
4.) Using the 4 screws removed from the front cover; loosely attach
mounting bracket adapters (J) to the bottom mounting plate. Some
adjustments may be needed to align the bracket screw holes with
the screw holes on the bottom mounting plate.
5.) Mark the expiry date on the HRU according to the instructions in
Section 3.
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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.
Figure A
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.
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SECTION 8 – INSTALLING THE HRU IN A CAPSULE
BRACKET
The ACR capsule bracket is a
discontinued product that looks like this:
Contents of the HydroFix™ HRU Kit that you will need:
HydroFix™ Replacement
Hydrostatic Release Unit (E)
Capsule design release rod (B)
Keyed bracket adapter (D)
Large cotter pin (H)
HRU expiration label (K)
Instructions:
Figure A
1.) Remove the front cover and carefully release
the EPIRB from the bracket.
2.) Remove the old HRU unit and rod from the
bracket by pressing the spring release back
and sliding the old HRU up and out of the
bracket.
3.) Take the capsule design release rod (B) and
place on top of the small rod on the HRU
aligning the two sets of holes on the base. (see
Figure A).
4.) Place large cotter pin (H) through the two
holes, securing the two rods together.
5.) Place keyed bracket adapter (D) on the bottom of the HRU. This
part is keyed so that it will fit together only one way. Turn to the right
until it snaps into place.
6.) Mark the expiry date on the HRU according to the instructions in
Section 3.
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7.) Record the expiration date on the HRU expiration label (K) with an
indelible marker.
8.) Push the release spring back against the bracket aligning the holes
on the spring with the holes in the back cover of the bracket.
9.) Take the assembled HRU and place the washer end of the HRU
through the larger top hole and slide down into the smaller slot.
10.)This will lock the HRU and spring
into place. Carefully release the
HRU and make sure it is securely in
place.
11.)Carefully place your beacon into the
bracket.
12.)Place the top cover on top of the
bottom cover and maneuver the
HRU rod to come out the rod hole
on the bracket.
13.)Make sure the bottom hinge and the
Figure B
top bracket are securely connected.
14.)Place a cotter pin into the top of the
HRU release rod locking the bracket together.
15.)Place the cotter pin into the hole closest to the front cover ensuring
a secure and snug fit.
NOTE: The release rod contains multiple holes on the end to secure the
front cover to the back cover.
16.)Place HRU expiration label (K) on the outside of your bracket in a
visible location.
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APPENDIX A – WARRANTY, USEFUL LIFE POLICY,
NOTICES
LIMITED WARRANTY
This product is warranted against factory defects in material and workmanship for a
period of 1 (one) year* from date of purchase or receipt as a gift. During the warranty
period ACR Electronics, Inc. will repair or, at its option, replace the unit at no cost to
you for labor, materials and return transportation from ACR. For further assistance,
please contact our Technical Service Department at ACR Electronics, Inc.,5757
Ravenswood
Road,
Fort
Lauderdale,
FL
33312-6645.
Email:
[email protected], Fax: +1 (954) 983-5087, Telephone: +1 (954) 981-
3333.
This warranty does not apply if the product has been damaged by accident or
misuse, or as a result of service or modification performed by an unauthorized
factory. Except as otherwise expressly stated in the previous paragraph, THE
COMPANY MAKES NO REPRESENTATION OR WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, AS TO MERCHANTABILITY, FITNESS FOR
A
PARTICULAR PURPOSE, OR ANY OTHER MATTER WITH RESPECT TO THIS
PRODUCT. The Company shall not be liable for consequential or special damages.
the attached card within 10 days.
*Five years for the following products: EPIRB, PLB, S-VDR, SSAS.
USEFUL LIFE POLICY
The typical service life of a properly maintained Product is limited to 12 years from
date of manufacture. Products that are 12 years and 1 month or older from date of
manufacture will not be serviced by ACR or our Battery Replacement Centers. A
Product that is 12 or less years old from date of manufacture will be serviced as long
as the unit appears fit to be placed back into its final operational cycle. Service
includes the replacement of those items that must be replaced at service intervals
and the verification that the device appears to be in good mechanical and electrical
working condition by an ACR authorized service technician.
NOTICES
ACR Electronics diligently works to provide a high quality Product Support Manual,
however, despite best efforts, information is subject to change without notice, and
omissions and inaccuracies are possible. ACR cannot accept liability for manual
contents. To ensure that you have the most recent version of the Product Support
©2009 by ACR Electronics, Inc., part of Cobham plc. All rights reserved.
Reproduction in whole or in part is permitted only with permission of ACR
Electronics, Inc.
Ongoing product improvements may change product specifications without notice.
Trademarks or registered trademarks are the property of their respective owners.
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