G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air Page 6-7
190-00716-01 Revision 4
7. Reinstall the screws and flux valve access cover on the upper side of horizontal stabilizer.
8. Connect the GMU pigtail harness to the electrical wiring harness.
9. Reinstall the inspection access panel (second from inboard) on the lower side of the horizontal
stabilizer.
10. Calibrate and test the GMU 44 according to Section 7.7.
6.10 GDL 69A
Removal:
1. Gain access by removing the right side GDU 1040A display unit (see Section 6.1.)
2. Unlock the GDL 69A handle by loosening the Phillips screw on the handle.
3. Pull the handle upward to unlock the GDL 69A. Gently remove the unit from the rack.
Reinstallation:
1. Visually inspect the connectors to ensure there are no bent or damaged pins. Repair any damage.
2. Gently insert the GDL 69A into its rack. The handle should engage the dogleg track.
3. Press down on the GDL 69A handle to lock the unit into the rack.
4. Lock the handle to the GDL 69A body using the Philips screw.
5. Configure and test the GDL 69A according to Section 7.8.
6.11 GSA 80 and GSA 9000 Servos
Removal:
1. Gain access to the desired servo(s).
2. Disconnect the servo harness connector.
3. Use a socket or open-wrench to loosen and remove the servo attachment bolts.
4. Carefully remove the servo and place a protective cover on the output gear.
5. Place a protective cover over the GSM 86 or GSM 9100 servo gearbox.
Reinstallation:
1. For GSA 80 servos only, perform the following steps:
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 (see Figure
6-1.)
IMPORTANT!
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 (see Figure 6-1.)
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