Page 4-20
G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Revision 1
190-00716-01
4.9
GSM 86 Slip Clutch Torque Check Procedure
Perform either the Automated Slip Clutch Test Procedure per Section 4.9.1 or the Manual Slip Clutch
Test Procedure per Section 4.9.2. To perform the procedure, all G1000 and GFC 700 equipment must be
installed and operational.
4.9.1
Automated Slip Clutch Test Procedure
1.
With the MFD in Normal Mode, press the red DISPLAY BACKUP button on the pilot’s GMA
audio panel to place the MFD in reversion mode.
2.
With PFD1 in Configuration Mode, go to the GFC Page Group and select the GFC STATUS page
using the FMS knobs.
Figure 4-3, GFC Status Page
IMPORTANT!
It is highly recommended that the following test be performed at temperatures
between 50° F and 120° F.
3.
Use the FMS knob to select the desired servo (Pitch, Roll or Pitch Trim). Yaw is not tested.
4.
Verify that the PFT status field shows PASSED.
5.
Verify that the aircraft control surface to be checked is free to travel throughout its range of motion.
6.
Press the TEST SVO softkey on the PFD. Follow prompts to begin the test.
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 wheel. If an abnormal disconnect of
a servo occurs, reset the AFCS SERVO circuit breaker and repeat the test.
7.
When test is completed, verify the CLUTCH TEST PASS message is displayed on the MFD.
8.
Repeat steps 3 through 7 for each servo axis (Pitch, Roll and Pitch Trim).
9.
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 GSM 86 slip clutch cartridge must be replaced or tested
using the Manual Slip Cluch Test Procedure, Section 4.9.2.
Summary of Contents for Cessna Caravan G1000
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