NAMEPLATE
1 -17 AND LOWER FSEU
FSEU 2
-32 AND -37 FSEU (EXAMPLE)
-40 FSEU3
B1
Flap/Slat Electronic Units (FSEU's) Figure 508 (Sheet 1)
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MAINTENANCE MANUAL
XMTR LEVER FLAP INOP LING DATA DETENT NOT IN LEVER
XMTR PDU FLAP FSEU FAILED MOTION NO
XMTR PDU SLAT CMD ALT MULT POSN IN NOT
XMTR FLAP LEFT DISAG ARM FSEU ASYM WING LEFT
XMTR FLAP RIGHT POWER FSEU ASYM WING RIGHT
XMTR SLAT LEFT FAULT SYSTEM FLAP DISAG ARM ALT
XMTR SLAT RIGHT SLAT FAULT SYSTEM LOSS SLAT
CKT SLAT AUTO ARMED ALT SYSTEM FLAP VALVE ISLN
(EXAMPLE) (EXAMPLE)
Flap/Slat Electronic Units (FSEU's)
Figure 508 (Sheet 2)
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757
MAINTENANCE MANUAL
S 865-024
(10)
Rotate the input shaft in the opposite direction (approximately 4 turns) to get a clearance of 90 | 10 degrees between the up-stop surfaces of the ball screw nut and the universal. This is the rigging position for the TE flaps.
S 095-025
(11)
Remove the clamp from the torque tube (Fig. 507).
S 435-009
(12)
Connect the torque tubes to the outboard and inboard transmissions (Fig. 502).
NOTE: Do not rotate the torque tube.
____
S 425-049
(13)
You can operate the flaps manually to make fair adjustments, and to install the aft fairings (Ref 27-51-30).
S 495-026
(14)
Install the rig pins TE2 and TE3 (Fig. 501).
S 215-027
(15)
Make sure that the two No. 1 index marks are aligned on the TE flap PDU (Fig. 503).
S 215-004
(16)
Make sure that the inboard flap and the transmissions are positioned as specified in the steps before.
S 865-028
(17)
Apply an upload to the inboard flap so that the support tracks (3 locations) for the inboard aft flap touch the main rollers. Also make sure that the main flap tracks (2 locations) touch the main carriage rollers.
NOTE: All the fit and fair conditions must agree when you apply an
____
upload to the inboard flap.
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757 MAINTENANCE MANUAL
S 225-029
(18)
Use the inboard flap rigging bars and do a check on the inboard flap vertical mismatch with the steps that follow (Fig. 504):
(a)
Use the rigging bar for the outboard end of the inboard flap by the instructions that follow (Fig. 506):
NOTE: Two persons will be necessary to hold the rigging bar in
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