Figure 4-3: Gdl 82 Unit Installation, Option 2 & 3 Example - Garmin GDL 82 Installation Manual

The GDL 82 Installation Examples 2 and 3 (shown in Figure 3-2 and Figure 3-3) can both be installed in
accordance with Figure 4-3.
ITEM PART NUMBER QTY DESCRIPTION
1 011-03946-40 1 GDL 82 WITH GPS
2 MS20426AD3-3 8 RIVET, SOLID, COUNTERSUNK 100 DEG, PRECISION HEAD, 3/32 IN OD, 3/16 IN LONG
NUT, SELF-LOCKING, PLATE, TWO LUG, FLOATING, REDUCED RIVET SPACING, LOW HEIGHT, STEEL, 0.1380-32
3 MS21075L-06 4
UNJC-3B
4 MS35206-228 4 SCREW, MACHINE, PAN HEAD, CROSS RECESSED, CAD PLATED 0.1380-32 UNC-2A, 0.375 IN LONG
NOTES
1 THE TOTAL WEIGHT OF THE GDL 82 UNIT AND THE EXISTING EQUIPMENT INSTALLED ON THE RACK ASSEMBLY MUST REMAIN
WITHIN THE RACK ASSEMBLY WEIGHT LIMIT AS DETERMINED BY THE AIRCRAFT MANUFACTURER.
2 THE RESISTANCE BETWEEN THE GDL 82 UNIT AND THE EXISTING RACK ASSEMBLY MUST BE LESS THAN 2.5 mΩ WITH ALL GDL 82
CONNECTORS DISCONNECTED AND MUST BE VERIFIED WITH A MILLIOHM METER. FOLLOW SECTION 5 OF SAE ARP 1870, AEROSPACE
SYSTEMS ELECTRICAL BONDING AND GROUNDING FOR ELECTROMAGNETIC COMPATIBILITY AND SAFETY, FOR PROCEDURES ON
ELECTRICAL BOND PREPARATION.
3 LOCATION OF FASTENER HOLES TO MATCH GDL 82 UNIT (REF. ITEM 1)
4 LOCATION OF RIVET HOLES TO MATCH NUTPLATES (REF. ITEM 3)
5 TORQUE 0.1380-32 UNC-3A SCREWS 8.0±1.0 LBF-IN.
6 RIVETS ARE INSTALLED PER MIL-R-47196 (NASM47196) RIVET, BUCK TYPE, PREPARATION FOR AND INSTALLATION, OR PER MIL-STD-403
PREPARATION FOR AND INSTALLATION OF RIVETS AND SCREWS, ROCKET MISSILE, AND AIRFRAME STRUCTURES.
Figure 4-3: GDL 82 Unit Installation, Option 2 & 3 Example
GDL 82 Mooney M20( ) Series STC Installation Manual
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