TM 1-1510-225-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
(e) CABIN TEMP rheostat - Rotate
to full INCR position. Observe
an increase in cabin temperature.
(f) CABIN TEMF rheostat - Rotate
fully counterclockwise. Observe a
decrease in cabin temperature.
NOTE
Air conditioning will come on if cabin tempera-
ture is above 60 to 65°F.
Ensure that the temperature control rheostat is set
to the mid position (approximately 75°F cabin
temperature).
17. Pressurization system - Check as
required (Chapter 4).
CRUISE
1. Power - Set.
2. ICE PROTECTION switches - As
required
3. AUTOFEATHER - As required.
4. Volt-loadmeters - Check.
5. Auxiliary fuel gages - Monitor. Ensure
that fuel is being transferred from aux-
iliary tanks
6. Altimeters - Check.
*7. Engine instrument indications - Check
all engine instruments for normal indi-
cations.
E21-28
8. RECOG lights - As required.
*9. Wings and nacelles - Check for fuel
and oil leaks.
*10. Cabin noise level - Check for undue
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