TM    55-1510-222-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
BEFORE STARTING ENGINES (CONT)
nated.
Release   switch   and
check  that  all  lights  except
those  in  step  (a)  are  extin-
guished.
c.   MASTER
CAUTION
and
MASTER   WARNING   lights   -
Press.   Check   that   both   lights
extinguish.
*23.   Stall   and   gear   warning   system   -
C34,35
Check  as  follows:
a.  STALL  WARN  TEST  switch  -
TEST.  Check  that  warning
horn   sounds.
b.  LDG  GEAR  WARN  TEST
switch   -   TEST.   Check   that
warning  horn  sounds  and  that
the  LDG  GEAR  CONTR  han-
dle   warning   lights   (2)   illumi-
nate.
*24.  Hydraulic  fluid  level  sensor  -
Check  as  follows:
a.  Hydraulic  fluid  sensor  test  but-
ton  -  Depress  and  hold.  Check
that   HYD   FLUID   LOW   cau-
tion   annunciator   light   illumi-
nates  after  approximately  2
seconds.
b.  Hydraulic  fluid  sensor  test  but-
ton  -  Release.  Check  that  HYD
FLUID   LOW   caution   annunci-
ator  light  extinguishes  after  ap-
proximately  6  seconds.
*25.   Fire   Protection   system   -   Check   as
C43-47
follows:
2-14