Nav Antenna Cable Diplexer - Garmin GTN 6 series Maintenance Manual

6.4 NAV Antenna Cable Diplexer

Removal
1. Disconnect the coaxial connectors from diplexer, taking note of which coaxial connectors are
connected to each port on the diplexer.
2. Remove the mounting screws and diplexer.
Reinstallation
1. Reinstall the diplexer over the existing hole pattern and reinstall fasteners. Torque fasteners within
22 to 25 in-lbs.
2. Reconnect the coaxial connectors to the diplexer.
Approved Hardware for Replacement:
Stainless Hardware
Name
Screw, Pan Head, Stainless
Washer, .032 thickness
Washer, .063 thickness
Nut, Self-locking Metal, Hex, Thin
Nut, Self-locking Metal, Hex
Nutplate, One Lug, Fixed
Nutplate, One Lug, Floating
Nutplate, Two Lug, Fixed
Nutplate, Two Lug, Floating
Nutplate, Corner
Nutplate, Side-by-side
Note: Part numbers in parentheses are inactive or cancelled part numbers; these numbers may still be
available and/or referenced on packaging material.
Steel Hardware
Name
Screw, Pan Head, Low Carbon Steel
Screw, Pan Head, Alloy Steel
Washer, .032 thickness
Washer, .063 thickness
Nut, Self-locking Metal, Hex, Thin
Nut, Self-locking Metal, Hex
Nutplate, One Lug, Fixed
Nutplate, One Lug, Floating
Nutplate, Two Lug, Fixed
Nutplate, Two Lug, Floating
Nutplate, Corner
Nutplate, Side-by-side
Note: Part numbers in parentheses are inactive or cancelled part numbers; these numbers may still be
available and/or referenced on packaging material.
System Maintenance Manual GTN 6XX/7XX Part 23 AML STC
Page 6-8
Part Number
NASM51958, (MS51958), (AN520C)
NAS1149C0332R, (AN960C-10L)
NAS1149F0363P, (AN960C-10)
NASM21043-3, NAS1291C3, (MS21043-3)
NASM21046C3, MS20365C1032C, NAS1021C3,
(MS21046C3), (AN363C1032)
MS21052, MS21054, MS21072
MS21062
MS21048, MS21050, MS21070
MS21060, MS21076
MS21056, MS21058, MS21074
MS21087
Part Number
NASM35207, (MS35207), (AN520)
NAS603
NAS1149F0332P, (AN960-10L)
NAS1149F0363P, (AN960-10)
NASM21042L3, NAS1291-3, (MS21042L3)
NASM21045L3, (MS21045L3), (AN363-1032)
MS21051, MS21053, MS21071
MS21061
MS21047, MS21049, MS21069
MS21059, MS21075
MS21055, MS21057, MS21073
MS21086
190-01007-A1
Rev. 6