Garmin GPSMAP 4008 - Marine GPS Receiver Installation Instructions Manual - page 7
7
GPSMAP 4000/5000 Series Installation Instructions
To mount the GPS 17 with the cable run outside the mount:
1. PlacethecableintheverticalslotalongthebaseoftheassembledGPS17
andpole-mountadapter.
2. ScrewtheassembledGPS17andpole-mountadapterontoastandard1
in.ODpipe-threaded-polemarinemount(14threadsperinch—notincluded).
DO NOT overtighten pole-mount adapter.Overtighteningthepole-mount
adaptermaycutthecable.
3. WiththeGPS17installedonthepolemount,filltheremaininggapinthe
cableexitwithamarinesealant.
4. Fastenthepolemounttotheboatifitisnotalreadyattached.
5. Routethecableawayfromsourcesofelectronicinterference,andconnectit
toyourchartplotter.
To mount the GPS 17 with the cable run through the mount:
1. Positionastandard1in.ODpipe-threaded-polemarinemount(14threads
perinch—notincluded)inthepreferredlocation,andmarktheapproximate
centerofthemount.
2. Drillaholeusinga
3
/
4
in.(19mm)drillbitforthecabletopassthrough.
3. Fastenthepolemounttotheboat.
4. SlidethecablethroughthepolemountandscrewtheassembledGPS17
andpole-mountadapterontothepolemount.
5. Routethecableawayfromsourcesofelectronicinterference,andconnectit
toyourchartplotter.
Mounting a GPS 17x Antenna
The GPS 17x antenna can be surface mounted, installed on a standard 1 in. OD pipe-threaded-pole marine mount (14 threads-per-inch—not
included), or even mounted under fiberglass.
Surface-mounting the GPS 17x Antenna
1 Usethesurface-mountbracketasyourmountingtemplate.
Usethecenterpunchtomarkthethreescrewlocationsonthesurface.
Useapenciltotracethecableholeinthecenterofthebracket.
Setthesurface-mountbracketaside.Donotdrillthroughthesurface-mountbracket.
2. Selecttheappropriatedrillbitforyourmountingsurfaceusingthedrillbittable(
),anddrillthethreepilotholes.
NotE: If you are mounting the GPS 17x on fiberglass, it is recommended to use a countersink bit to drill a clearance counterbore through the top
gelcoat layer (but no deeper). This will help to avoid cracking in the gelcoat layer when the screws are tightened.
3. Usea1in.(25mm)holesawtocutthecableholeinthecenter.
4. Placethesealpadonthebottomofthesurface-mountbracket.Makesure
thatthescrewholesalign.
5. UsetheincludedM4screwstoattachthesurface-mountbrackettothe
mountingsurface.
6. RoutetheNMEA2000cablethroughthe1in.(25mm)cableholeand
connectittotheGPS17x.
7. MakesurethelargegasketisinplaceonthebottomoftheGPS17x
antenna,placetheantennaonthesurface-mountbracket
➊
,andtwistit
clockwisetolockitinplace
➋
.
8. SecuretheantennatothemountingbracketwiththeincludedM3set
screw
➌
.
9. RoutetheNMEA2000cableawayfromsourcesofelectronicinterference,
andconnectittoyourNMEA2000network.
•
•
•
Cable run internally
Cable run externally
Attaching the GPS 17 to a Pole Mount
Cable run internally
Cable run externally
Attaching the GPS 17 to a Pole Mount
GPS 17x
antenna
Surface-mount
bracket
Seal pad
Mounting
surface
➊
➋
➌
Rubber gasket
GPS 17x
antenna
Surface-mount
bracket
Seal pad
Mounting
surface
➊
➋
➌
Rubber gasket