(b)
661AB and 661CB (right wing).
S 012-009
(3)
Remove the applicable PCA rod end fairings (Ref 06-44-00):
(a)
561DB (for the left inboard PCA)
(b)
561EB (for the left outboard PCA)
(c)
661DB (for the right inboard PCA)
(d)
661EB (for the left outboard PCA).
S 862-010
(4)
Remove the pressure from the left, right, and center hydraulic systems (Ref 29-11-00).
(5)
Manually move the aileron (1) to its full up position.
S 822-011
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757 MAINTENANCE MANUAL
S 492-012
(6)
Install the aileron actuator lock on a PCA (4) that you will not remove.
E.
Remove the PCA (Fig. 201)
S 032-013
CAUTION: MAKE SURE THE HYDRAULIC LINES ARE DISCONNECTED FROM THE PCA
_______ BEFORE IT IS MOVED. DAMAGE TO EQUIPMENT WILL OCCUR IF THEY STAY CONNECTED.
(1)
Disconnect these components:
(a)
The hydraulic lines (5, 9) from the PCA (4) and do this step:
1) Install a cap on the hydraulic lines (5,9) and the actuator ports.
(b)
The input rod (2) from the PCA input lever (3)
(c)
The PCA rod end (4) from the aileron (1).
S 032-014
(2)
Do these steps to disconnect the PCA from the trunnion support:
(a)
Turn the PCA (4) down until you can get access to the bolts (6) that connect the actuator to the trunnion support.
(b)
Disconnect the PCA (4) from the trunnion support (8).
NOTE: Do not remove bearing, nuts, or retainers from
____ trunnion support assembly unless necessary for repair or replacement using CMM 27-11-18.
(c) Remove the PCA (4).
S 032-015
(3)
RIGHT AILERON INBOARD PCA; Disconnect the tubing support bracket (22) from the wing structure.
F.
Remove the Reaction Link (Fig. 203)
S 032-068
(1)
Disconnect the rod end for the reaction link from the aileron (1).
S 032-016
(2)
Remove these components:
(a)
The lube fittings from the bolt that connects the reaction link to the trunnion support (View A-A)
(b)
The bolts, washers, collars, and pins that connect the reaction link halves to the trunnion support (View C).
(c)
The bolts, washers, and nuts that connect the reaction link halves to the rod end.
S 022-017
(3) Remove the reaction link halves from the trunnion support and the rod end.
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A
757
MAINTENANCE MANUAL
1. AILERON (HINGE)
AILERON PCA'S
13. BUSHING
SEE A
14. NUT
17. BOLT
15.
WASHER
16.
WASHER
AILERON PCA'S 4. PCA AND
3. PCA INPUT
SEE A REACTION LINK (ROD END)
LEVER
A-A
2. PCA INPUT ROD
1.
AILERON (HINGE)
2.
PCA INPUT
A
ROD 3. PCA
PCA FILTER INPUT LEVER
SEE B
A
FWD INBD
4. PCA (INBOARD)
4. PCA (OUTBOARD)
SEE C SEE C
PCA FILTER
SEE B
TO AILERON QUADRANT AND OVERRIDE MECHANISM
AILERON PCA'S
19. PACKING
(LEFT SIDE SHOWN, RIGHT SIDE OPPOSITE)
18. UNION
A
20. FILTER
PCA FILTER
B
Aileron PCA Maintenance
Figure 201 (Sheet 1)
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