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13773-001
34-10
Page 12 30 Nov 2000
F. Airspeed Indicator (See Figure 34-103)
(1) Removal - Airspeed Indicator
(a) Ensure BAT 1, BAT 2, and AVIONICS master switches are in off position.
(b) Pull INSTRUMENT LIGHTS circuit breaker.
(c) Remove glareshield. (Refer to 25-10)
(d) Remove and cap off static and pitot line.
(e) Disconnect electrical connector.
(f) While supporting airspeed indicator, remove screws securing unit to instrument panel.
(g) Cap off fitting on back of airspeed indicator to prevent possible contamination and remove
from airplane.
(2) Installation - Airspeed Indicator
(a) Position airspeed indicator in instrument panel and attach with screws.
(b) Connect electrical connector.
(c) Attach static and pitot line.
(d) Perform Static System Leak Inspection/Test. (Refer to 34-10)
(e) Perform Pitot System Leak Inspection/Test. (Refer to 34-10)
(f) Install glareshield. (Refer to 25-10)
(g) Reset INSTRUMENT LIGHTS circuit breaker.
G. Outside Air Temperature Gage/Clock (See Figure 34-103)
(1) Removal - Outside Air Temperature Gage/Clock
(a) Remove glareshield. (Refer to 25-10)
(b) Disconnect electrical connector.
(c) While supporting outside air temperature gage/clock, remove screws securing unit to
instrument panel and remove from airplane.
(2) Installation - Outside Air Temperature Gage/Clock
(a) Position outside air temperature gage/clock in instrument panel and attach with screws.
(b) Connect electrical connector.
(c) Install glareshield. (Refer to 25-10)
(3) Removal - Outside Air Temperature Gage/Clock Battery
The Outside Air Temperature Gage/Clock battery must be inspected every 24 months. Upon
replacement, the battery must have a date stamp to indicate battery expiration date.
CAUTION: Ensure electrical power to airplane is off prior to performing maintenance.
(a) Remove glareshield. (Refer to 25-10)
(b) Remove battery from OAT/Clock gage.
CAUTION: Do not use abrasive cleaners or materials to clean battery contacts.
(c) Examine battery contacts for dirt or corrosion, clean contacts as necessary.
(4) Installation - Outside Air Temperature Gage/Clock Battery
(a) Record the battery replacement date of new cell in airplane log book
(b) Install new battery as indicated by battery polarity signs marked on cell holder.
(c) Install glareshield. (Refer to 25-10)