AMD 601XL / 601XLI / 650LS / 650LSi SLSA MAINTENANCE MANUAL
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OPTIONAL INSTRUMENTS
RATE OF CLIMB INDICATOR - OPTIONAL
GENERAL
The rate of climb indicator measures the rate of change in static pressure when the
airplane is climbing or descending. By means of a pointer and dial, this instrument will
indicate the rate of ascent or descent of the airplane in feet per minute.
TROUBLESHOOTING See following table:
RATE OF CLIMB INDICATOR
Trouble
Cause
Remedy
Pointer does not set on zero.
Aging of diaphragm.
Reset pointer to zero by means of
setting screw. Tap instrument
while resetting.
Pointer fails to respond.
Obstruction in static line.
Disconnect all instruments
connected to the static line.
Check individual instruments for
obstruction in lines.
Pointer oscillates.
Leaks in static lines.
Defective mechanism.
Disconnect all instruments
connected to the static line.
Check individual instruments for
leaks. Reconnect instruments to
static line and test installation for
leaks.
Replace instrument.
TURN AND BANK GYRO INDICATOR - ELECTRIC - OPTIONAL
GENERAL
The turn and bank indicator is an electric instrument used for making correctly controlled
turns. The turn portion of the indicator is an electrically driven gyroscope, while the bank
portion is a ball sealed in a curved glass tube filled with damping fluid.
TROUBLESHOOTING
TURN AND BANK INDICATOR
Trouble
Cause
Remedy
Pointer fails to respond.
Foreign matter lodged in
instrument.
Replace instrument.
Incorrect sensitivity.
Misadjustment of sensitivity
spring.
Adjust by means of sensitivity
spring screw. If this pulls the
pointer from zero, replace
instrument.
Not working
No power to indicator
Check wires / fuse / power
Replace instrument.
Incorrect reading that cannot be
corrected.
Defective mechanism.
Replace instrument.
9.7
July 09