AMD 601XL / 601XLI / 650LS / 650LSi SLSA MAINTENANCE MANUAL
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TROUBLESHOOTING See following table:
HORIZON GYRO INDICATOR
Trouble
Cause
Remedy
Bar does not settle.
Excessive vibration.
Check shock mounts.
(Replace if necessary.)
Defective instrument.
Replace.
Not working
No power to indicator
Check wires / fuse / power
Replace instrument.
Incorrect reading that cannot be
corrected.
Defective mechanism.
Replace instrument.
Bar oscillates or shimmies
continuously.
Excessive vibration.
Defective mechanism.
Check shock mounts.
Replace instrument.
REPLACEMENT OF INSTRUMENTS
GENERAL
Since all instruments are mounted in a similar manner, a description of a typical removal
and installation is provided as a guide for the removal and installation of the instruments.
Special care should be taken when any operation pertaining to the instruments is
performed.
Remove the connections to the instrument and remove the mounting screws of the
instrument.
Note: Tag connections for ease of reinstallation.
Installation of the instruments will be in the reverse order given for removal. After the
installation is completed, check all components for clearance of the control column,
condition, proper operation and safety.
9.9
July 09
