Game Composites GB1 GameBird, Руководство по обслуживанию

Страница: 176 / 269

Maintenance Manual GB1 GameBird
Page date: April 24, 2020
33-3
Landing Lights
The GB1 is equipped with landing / recognition light
units are mounted in recesses in each wing-tip, covered
by clear polycarbonate lenses GB1-3320-20-00.
Landing lights are an option.
The airplane is certified for day VFR only; the recognition
lights are not required to be functional.
Type: Whelen 7168501
P/N 01-0771685-01
Manufacturer: Whelen Engineering Company, Inc.
51 Winthrop Road, Chester, CT 06412-0684, USA
http://www.whelen.com
The landing / recognition light lights are controlled through one 5A ACL circuit breaker switch in the LH side
console forward of the throttle in the rear cockpit, 12VDC is provided via the Avionics (Non-essential) Bus.
Shielded 4-core AWG22 wire is routed from the CB switch to the wing root ribs, quick-disconnect 4-terminal
cannon plugs are installed aft of the aileron control rod cut-out. The cables are routed rubber grommets
through the aft wing ribs up to the light assemblies.
The light assemblies are mounted in the recess with 2 AN525-832R12 fasteners.
For wiring and connection details, refer to section 24-03.
No regular maintenance is required for the units.
If malfunction is detected, the defective unit has to be replaced.
The lenses are polycarbonate, only use water and a clean cloth for cleaning.
The airplane is certified for day VFR only, the units are not required to be functional.
If 3 or more LEDs are defective, the unit should be replaced.
Troubleshooting :
Trouble – Landing Lights Probable Cause Remedy
One or both units inoperative Cables damaged Repair or replace cables
Connectors damaged or
contaminated Clean or replace connectors, refer to section
24-03 and 24-03 for access
CB switch or connections /
terminals damaged Replace CB switch
Replace terminals
No power Check power on avionic bus
For additional troubleshooting information see section 24-11 .
To replace either recognition Light:
1.
Remove clear lens (remove self-tapping screws)
2. Remove fasteners
3. Pull off recognition light
4. Disconnect cable
5. Connect new recognition light
6. Use fasteners to mount recognition light in recess
7. Install clear lens
NOTE: If threads in composite to locate the lenses are stripped, refer to section 5-06
8. Conduct function check:
a. Battery Master ON
b. ACL Switch ON
c. Lights Function visually check
d. Landing Lights Switch and Battery Master OFF