C. References
(1)
AMM 06-42-00/201, Empennage Access Doors and Panels
(2)
AMM 24-22-00/201, Electrical Power - Control
(3)
AMM 27-31-00/501, Elevator Control System
(4)
AMM 27-31-05/601, Elevator Power Control Actuator
D.
Access
(1)
Location Zones 211/212 Control Cabin 335/345 Horizontal Stabilizer, Rear Spar to Trailing Edge
(2)
Access Panels 335DB/345DB Left/Right Elevator, PCU's and Control Linkage
E.
Reaction Link Installation (Fig. 401)
S 224-069
(1)
Do a check on the permitted wear for the reaction link (19)
(AMM 27-31-05/601).
S 644-070
(2)
Lubricate the trunnion (4), idler link (13), reaction link rod end (20), and PCA rod end (12) through the grease fittings with BMS 3-33 grease. BMS 3-33 (recommended), BMS 3-24 (optional).
NOTE: Turn the parts to make sure that there is sufficient
____ lubrication, and clean all unwanted grease from the parts.
S 104-071
(3)
Remove all the used sealant and clean the faying surfaces between the reaction link (19) and its bearings (21).
S 104-072
(4)
Remove all the used sealant and clean the mating surfaces between the PCA (9) and the trunnion (4).
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(5) S 624-073Apply a layer of sealant to the mating surface of the PCA (9), and put the PCA against the faying surface of the trunnion (4).
(6) S 434-074Install the bolts (1), washers (2), and nuts (3) on the PCA with wet sealant.
(7) S 434-075Tighten the nuts to 90-125 pound-inches (10.2-14.1 newton-meters).
(8) S 644-076Apply a layer of sealant to the mating surface of the reaction link bearing (21), the assembled reaction link (19) and its bearings (21), and the trunnion (4).
(9) S 434-077Install the bolts (23), washers (24), and nuts (25) to the reaction link with wet sealant.
S 434-078
(10) Tighten the nuts to 90-125 pound-inches (10.2-14.1 newton-meters).
NOTE: Make sure the trunnion (4) and the flanged spacers (21)
____ can turn freely.
S 434-079
(11)
Move the trunnion (4) into the idler link (13) and install the bolt (26), washers (27), bushing (28), and nut (29) with BMS 3-33 grease. BMS 3-33 (recommended), BMS 3-24 (optional).
S 434-080
(12)
Move the reaction link rod end (20) and the PCA rod end (12) to the elevator spar fitting and install the bolts (14), washers (15, 17), bushings (16) and nuts (18) with BMS 3-33 grease. BMS 3-33 (recommended), BMS 3-24 (optional).
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MAINTENANCE MANUAL
S 434-081
(13)
Make sure the run-on torque for the nut is 90-400 pound-inches (10.2-14.1 newton-meters), then tighten the nut to 1300-2000 pound-inches (147-225 newton-meters).
S 094-082
(14)
Remove the plugs from the hydraulic lines (10) and the caps from the PCA ports (9).
S 434-083
(15)
Align the pogo rod (5) with the PCA summing lever and install the bolt (6), washer (7), and nut (8).
NOTE: It is necessary to adjust the elevator system if the
____ adjustment of the pogo rod was changed while disconnected (AMM 27-31-00/501).
S 434-084
(16)
Connect the electrical connector to the PCA (9).
S 424-085
(17)
Connect the pressure sensor conduit to the stabilizer rear spar only if you are to install the right outboard PCA reaction link (Fig. 403).
S 094-086
(18)
Remove the elevator PCA lockout equipment (Fig. 402).
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