3) After approximately 30 seconds, make sure that the display shows PCU LIM | 3 deg.
4) After approximately 5 seconds, the display will show these indications: a) SECOND SWEEP b) YD cmd xxxxx deg c) LVDT pos xxxxx deg d) YD cmd xxxxx deg e) LVDT pos xxxxx deg f) YD cmd 0.00 deg g) LVDT pos xxxxx deg
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH 10-62253 YAW DAMPER ú
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5) After approximately 60 seconds, make sure that the display
shows TEST PASS.
(n) Push the ON/OFF key on the keypad.
1) Make sure that the display shows TURN DISPLAY OFF?
(o) Push the YES key on the keypad.
1) Make sure that the display momentarily shows DISPLAY OFF.
NOTE:____ The the yaw damper coupler does a 15-second shutdown
procedure after this indication. Do not push the
ON/OFF key again until the shutdown procedure is
completed.
S 745-016
(11) Do the yaw damper coupler test of the rudder pressure reducer.
(a)
Set the FLT CONTROL A switch on the P5 overhead panel to OFF.
1) Make sure that the FLT CONTROL A low pressure light below the switch comes on.
(b)
Push the ON/OFF key on the keypad. 1) Make sure that the display shows ENTER BITE?
(c)
Push the YES key on the keypad within ten seconds. 1) Make sure that the display shows EXISTING FAULTS?
(d)
Push and release the down arrow key until the display shows GROUND TESTS?
(e)
Push YES key on the keypad. 1) Make sure that the display shows SELF TEST?
(f)
Push and release the down arrow key until the display shows REDUCER TEST?
(g)
Push the YES key on the keypad.
1) Make sure that the display shows these indications: a) WARNING! WARNING! b) RUDDER MOVEMENT c) RUDDER CLEARED?
(h)
Make sure that all personnel are clear of the rudder.
CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(i)
Push the YES key on the keypad. 1) Make sure that the display shows SYS A HYD ON?
WARNING:_______ THE STEPS THAT FOLLOW WILL CAUSE THE RUDDER TO MOVE. MAKE
SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE
RUDDER BEFORE YOU DO THESE STEPS. RUDDER MOVEMENT CAN
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(j) 2) Make sure that the HYD PUMPS A switch on the P5 overhead panel is ON.Push the YES key on the keypad. 1) Make sure that the display shows FLT CTRL A SW ON? 2) Set the FLT CONTROL A switch on the P5 overhead panel to ON.
(k) a) Make sure that the FLT CONTROL A low pressure light below the switch goes off in less than five seconds.Push the YES key on the keypad. 1) Make sure that the display shows these indications:
NOTE: The x's are a number. Make sure that each number____
has the correct value.
(l) (m) (n) a) Reducer = off b) A hyd xxxx psi (where xxxx is more than 2200) c) Reducer = on d) A hyd xxxx psi (where xxxx is more than 850 and less than 1250) e) Reducer = off f) A hyd xxxx psi (where xxxx is more than 2200) 2) After approximately 40 seconds, make sure that the display shows Lo Press (A) off? a) Make sure that the FLT CONTROL A low pressure light on the P5 overhead panel is off.Push the YES key on the keypad. 1) Make sure that the display shows Lo Press (A) on? 2) Make sure that the FLT CONTROL A low pressure light on the P5 overhead panel comes on.Push the YES key on the keypad. 1) Make sure that the display shows TEST PASS. 2) Make sure that the FLT CONTROL A low pressure light on the P5 overhead panel goes off.Push the ON/OFF key on the keypad. 1) Make sure that the display momentarily shows TURN DISPLAY OFF?
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