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 TM 55-1905-223-24-18-1
Table 2-2.
Troubleshooting - CONT
Malfunction
Test or Inspection
Corrective Action
RUDDER ANGLE INDICATOR (RAI) - CONT
71. The port and starboard hard over pistons are not equal on the indicator(s).
STEP 1.
Check to see if the follow-up linkage is hooked up according to
i n s t r u c t i o n s . See follow-up and linkage installation diagram.
It is extremely important that all mechanical
connections to the follow-up unit, including
hold down bolts, linkage, and rudder stock, are
tightened securely and prevented from loosening
through vibration. Use positive locking devices
on all connections. A loose mechanical
connection can cause loss of steering control.
OVERHEAD VIEW A=B
Follow-Up and Linkage Installation Diagram.
(Indicator readings are
72. Too little or too much movement of indicator(s).
variable +/- one degree.
STEP 1.
Check to see if the trimming potentiometer inside the junction box is
adjusted correctly.
Adjust trimming potentiometer until you get a 0' deflection of the needle
on the rudder indicator(s).
73. Dimmer does not work.
STEP 1.
Check to see if the 1/2 amp fuse on the indicator circuit board is
blown.
Replace fuse, para. 2-114.
STEP 2. Check for burned out lamp.
Replace lamp, para. 2-114.
2-134
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