Garmin GPS 18-5Hz Installation Instructions Manual - page 5
GMR 18 Marine Radar Installation Instructions
Installation Procedures
The following order of mounting the scanner and attaching the Power/Network cables may vary depending on the installation location and
mount used.
Mounting the Scanner
1. Whenasuitablemountinglocationisdetermined,verifythatthemountingholelocationsarealignedforeandaft,andthendrillfour9.5
mm(0.37")mountingholesreferencingFigure1below.(Thisstepisnotnecessaryifyouareusingapre-drilledGarmincompatibleor
Raymarine
®
mount.)
2. Alignthenotchandlockingringonthepowercabletothepowerconnector.Pressthe2-pinpowercabletothepowerconnectorandthe
RJ-45marinenetworkcabletotheRJ-45socket(Figure2).Turnthepowercablelockingringclockwiseuntilitstops.TightentheRJ-45
locking ring clockwise until it is firmly sealed.
3. The power/network cable may be pressed into one of the five guide grooves molded into the bottom of the scanner case and secured
underthecablehold-downplate(Figure2).Avoidexcessivebendingortwistingofthecable.Seethefollowing“CableRuns”sectionfor
moreinformation.
4. Positionthescanneronthemountingsurfacewiththetriangularmarkonthecasealignedtothefrontofthevessel.Applyabeadof
marinesealantaroundeachofthemountingholesonthemountingsurface.
5. Installthefour(4)M8x1.25x60threadedrodsintotheMountingHolesonthebottomofthescanner.Thereshouldbenomorethan
50mm(2")extrudingfromthescannerwhentheyareinstalledproperly.
6. Fasten the scanner to the mounting surface using the M8 x 1.25 x 60 threaded rods (installed in the previous step), spring washers, flat
washers,andM8HexnutsasshowninFigure3.
The nuts should be torqued to between 13.7-18.6 Nm (10-14 lb ft).
Note: The supplied M8 x 1.25 x 60 threaded rods can be used on mounting thicknesses of 5-30 mm (1 1/8") (recommended). For surfaces over
30 mm (1 1/8"), locally supplied longer threaded rods are needed.
Ship's Bow
141.5 mm
(5.57")
233.0 mm
(9.17")
9.5 mm
(0.37")
Figure 1
Wire Gauge Table
Distance
Gauge
2 meters (6.5 ft)
16 AWG
4 meters (13 ft)
14 AWG
6 meters (19 ft)
12 AWG
Mounting
Bracket
Flat
Washer
Spring
Washer
M8 x 60
Threaded Rod
Scanner
M8 Nut
Figure 3
Figure 2
Mounting
Holes
Power
Connector
Network
Connector
Cable Routing
Options
Plate