TM 55-1510-215-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
DURING CLIMB (CONT)
*3.
Vertical speed indicators - Check one at a
time against altimeter as follows:
a.
Read altimeter at beginning of timing
for exactly one minute.
b.
Read altimeter at end of minute.
c.
Read vertical speed indicator.
d.
Compare 
the 
second 
altimeter
reading less the first with the vertical
speed indicator reading.
e.
The 
indication 
derived 
from 
the
altimeter     and     the     vertical     speed
indicator reading must agree within ±
100 ft/min.
*4.
Surface and antenna deicing system
C40
- Check as follows:
a.
Surface  and  antenna  deicer  switches
-   SGL.      All   surface   boots   should
inflate for one cycle (they should stay
inflated for 6-7 seconds).
b.
Surface  and  antenna  deicer  switches
Hold  in  MNL  position.    Boots  should
stay inflated until switch is released.
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