Instruction Manual

G1000 / GFC 700 System Maintenance Manual - 200/B200 Series King Air Page 4-23
190-00915-01 Revision 9
13. If the CLUTCH TEST FAIL message is displayed on the MFD for any axis, repeat the test twice in
the failed axis. If the test does not pass,
the servo gearbox must be removed from the aircraft and
tested/adjusted per the Servo Gearbox Adjustment Fixture Procedure in Section 4.9.3.
4.9.2 Manual Slip Clutch Test Procedure (SW version 0985.03 and earlier)
1. With PFD1 in Configuration Mode, go to the GFC Page Group and select the GFC STATUS
Configuration Page using the FMS knob.
Figure 4-4, GFC Status Page
IMPORTANT!
It is highly recommended that the following test be performed at temperatures
between 50° F and 120° F.
2. Use the FMS knob to select the desired servo.
3. Verify that the PFT status field shows PASSED.
4. Verify that the aircraft control surface to be checked is free to travel throughout its range of motion.
5. Press the ENG CLCH softkey on the PFD.
6. With the clutch engaged, take hold of the aircraft controls and manually overcome the clutch. Move
the control surface to be tested from stop to stop a minimum of two times each direction.
7. Position the control surface in the neutral position (full forward position if the PITCH SERVO is
selected). Press the DIS CLCH softkey.
IMPORTANT!
If the test must be stopped, firmly grasp the aircraft control being moved and press
the red AP DISC switch on the aircraft control stick. If an abnormal disconnect of a
servo occurs, reset AFCS SERVO circuit breaker and repeat the step.
8. Manually select +2.50 rpm for the Drive Servo and press ENT.
9. Press the ENG CLCH softkey.
10. Press the DRV SRVO softkey.
11. Allow the selected servo to drive the control surface to either the NOSE DOWN stop (Pitch and Pitch
Trim) or the LEFT stop (Roll and Yaw).