System Maintenance Manual

Page 6-6 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
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 80/81 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. The Pitch-
Trim servo bracket will need to be removed to access all the Pitch-Trim 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 85A (or GSM 86) servo mount.
Reinstallation:
1. Inspect the output gear for abnormal wear or the absence of grease. If grease is required,
refer to Section 4.7 and grease the gear.
2. Carefully place the servo into the servo mount, ensuring proper orientation and alignment.
3. Fasten the servo to the servo mount using the existing hardware.
4. Inspect the harness connectors and check that no pins are bent or otherwise damaged.
Connect the harness and secure it appropriately.
5. If no further maintenance is required, continue to Section 7.9.
6.12 GSM 85A / GSM 86 Servo Mounts
Removal:
1. Remove the desired servo(s) per Section 6.11.
2. For the Roll, Pitch and Yaw Servos: remove the servo cable from the control cable clamps.
For the Pitch-Trim Servo: remove the servo cable from the outboard turnbuckle and Y-splice.
3. Use a socket or open-wrench to loosen and remove the servo attachment bolts.
4. Carefully remove the servo mount(s).
5. Remove the cable retention pins and ring (or cover) and then remove the servo cable from the
capstan.
Reinstallation:
1. Ensure cable retention pins are oriented correctly. Follow the installation instructions
provided in the respective servo installation drawing(s), listed in Table 1-2.
2. If no other maintenance is to be performed, reinstall the servo(s) per Section 6.11.