Manual revision 001
Section 4: Deploying and Operating SBE 39
plus
-IM
SBE 39
plus
-IM
67
SBE 39plus-IM with Optional Fairing / Net Fender
1.
Remove the 39
plus
-IM from the fairing:
A.
Insert a 3/16 inch Allen wrench through the
countersunk
holes in the
fairing to loosen the four mounting clamp bolts (two for each end).
B.
When all four bolts are loosened, remove the 39
plus
-IM from the
fairing.
Note: The other half of the mounting brackets remain attached to the
fairing, and the mounting bolts remain attached to the retained
portions of the brackets.
2.
Install the 39
plus
-IM and fairing on the insulated mooring cable:
A.
Bringing the 39
plus
-IM and the fairing together, place the insulated
mooring cable inside the brackets’ grooves.
B.
Use a 3/16 inch Allen wrench to tighten the four mounting clamp
bolts through the countersunk holes in the back of the fairing.
C.
Verify that the two halves of the modem coupling toroid have come
together evenly, and that the mounting clamp is secure.
3.
Verify that the hardware and external fittings are secure.
Mounting clamp, with
opening sized to
specified cable diameter
– cable
clamped
by this
bracket.
Note: Installing clamps
on larger cable than
specified may cause
damage to
cable and/or modem
and prevent IM
communications.
Mounting guide /
inductive modem
coupler – contains
modem coupling toroid
core. Cable goes
through here but is
not clamped
, to avoid
putting through tension
on end cap (which
could pull off end cap).
Mounting guide / Inductive Modem Coupler Detail
(Note: Photo is 37-IMP; detail similar for 39plus-IM)
Guide is sized
slightly
bigger than specified cable diameter, to allow cable to
pass through freely but limit vibration of 39
plus
-IM on cable
For proper
communications,
2 halves of
modem coupling
toroid core must
mate, with no
gaps
Guide
Guide
Modem
core
Modem
core
Loosen bolts
through
holes in
fairing
(2 bolts
each end)
Tighten bolts
through
holes in
fairing
(2 bolts
each end)
Note orientation
of 39
plus
-IM in
fairing;
re-install
with same
orientation