10-30. TROUBLESHOOTING.
TABLE X-IV. RATE OF CLIMB INDICATOR
Trouble Cause Remedy
Pointer does not set on Aging of diaphragm. Reset pointer to zero by
zero. means of setting screw.
Tap instrument while
resetting.
Pointer fails to respond. Obstruction in static Disconnect all instruments
line. connected to the static line.
Clear line.
Pitot head frozen over.
Water in static line. Check individual
instruments for
obstruction in lines.
Obstruction in pitot Clean lines and head.
head.
Pointer oscillates. Leaks in static lines. Disconnect all instruments
connected to the static
line. Check individual
instruments for leaks.
Reconnect instruments to
static line and test
installation for leaks.
Defective mechanism. Replace instrument.
Rate of climb indicates Water in static line. Disconnect static lines and
when aircraft is banked. blow out lines from cockpit
out to pitot head.
Pointer has to be set Temperature compensator Replace instrument.
before every flight. inoperative.
Revised: 2/13/89
2F24
CHEROKEE ARROW III SERVICE MANUAL
INSTRUMENTS
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