Gsa 80/81 Servo Actuators - Garmin G1000 Line Maintenance Manual

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5.2.14 GSA 80/81 Servo Actuators

Unit Part Numbers: GSA 80: 011-00877-20, GSA 81: 011-00878-20
Installation Manuals: 190-00303-72 and 190-00303-83
NOTE
The technician should be familiar with information contained in the GSA
8X/GSM 85(A) and the GSM 86 Servo Gear Box Installation Manuals (part
numbers 190-00303-72 and 190-00303-83 respectively) before performing
maintenance on the autopilot servo equipment.
1. To remove:
a) Gain access to the desired servo(s).
b) Disconnect the servo harness connector.
c) Use a socket or open-wrench to loosen and remove the servo attachment
bolts. The Pitch-Trim servo bracket will need to be removed to access all the
Pitch-Trim servo attachment bolts.
d) Carefully remove the servo and place a protective cover on the output gear.
e) Place a protective cover over the GSM 86 Servo Gearbox.
2. To Reinstall:
a) Inspect the servo output gear for abnormal wear.
b) Using a lint-free cloth, remove excess grease build-up from the servo output
gear.
CAUTION
It is not necessary to remove all of the grease from the output gear, only
the excess grease. DO NOT USE SOLVENTS TO CLEAN THE OUTPUT
GEAR.
c) Using a brush or other applicator, apply a thin coat of Aeroshell 33MS
(Lithium-complex based) grease to the servo output gear.
d) Carefully place the servo into the servo gearbox, ensuring proper orientation
and alignment.
e) Fasten the servo to the servo gearbox using the existing hardware. Follow the
installation instructions provided in the respective servo installation manuals.
f) Inspect the harness connectors and check that no pins are bent or otherwise
damaged. Connect the harness and secure it appropriately.
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Page 5-14 LMM for the Kodiak 100
190-02102-00 Rev.4