System Maintenance Manual

Page 4-22 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
4.9.2 Manual Slip Clutch Test Procedure (SW Version 0636.02 and earlier)
1. With PFD1 in Configuration Mode, go to the GFC Page Group and select the GFC STATUS page
using the FMS knobs.
Figure 4-5 GFC Status Page
NOTE
The displayed test results on the PFD are not stored in G1000 memory. If power
is cycled, these values will be lost. However, these test values are not lost by
changing configuration mode pages.
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 (PITCH, ROLL, YAW or PITCH TRIM).
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 aft position if the PITCH SERVO is
selected). Press the DIS CLCH softkey.