S 862-047
(2)
Make sure the inboard elevator trailing edges align with the centerline on the index plate in the limits of |0.40 (Fig. 203).
S 822-106
(3)
If you cannot align the inboard elevator, adjust the inboard elevator (AMM 27-31-07/201).
S 222-048
(4)
Make sure the outboard elevator aligns with the adjacent inboard elevator in the limits in Fig. 203.
D.
Do a Check on the Outboard Elevator Travel
S 862-094
(1)
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).
S 862-050
(2)
Pressurize the hydraulic systems No. 1 and 2 (left outboard elevator) or 3 and 4 (right outboard elevator)(AMM 29-11-00/201).
S 222-052
(3)
Do a check on the outboard elevator travel and make sure these steps occur:
(a)
Move the control columns forward to stop and hold.
(b)
Make sure the distance between the inboard elevator trailing edge and the neutral index is 28.29-29.30 inches.
(c)
Make sure the difference between the inboard and outboard elevators trailing edges is 1.94-2.98 inches.
(d)
Move the control columns aft to stop and hold.
(e)
Make sure the distance between the inboard elevator trailing edge and the neutral index is 42.75-43.77 inches.
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747-400 MAINTENANCE MANUAL
(f)
Make sure the difference between the inboard and outboard elevators trailing edges is 2.29-3.30 inches.
(g)
Release the control column and let it go back to the neutral position.
S 792-057
(4)
Examine the outboard elevator PCP installation for a hydraulic leak.
S 862-060
(5)
Release the pressure in the hydraulic system if it is not necessary (AMM 29-11-00/201).
S 862-062
(6)
If the electrical power is not necessary, do this task: "Remove Electrical Power" (AMM 24-22-00/201).
TASK 27-31-08-002-063
6. Outboard Elevator PCP Filter Removal (Fig. 204)_______________________________________________
A. Standard Tools and Equipment
(1)
Bucket - 1 gallon capacity (for hydraulic fluid)
B.
References
(1)
AMM 06-09-06/201, Stabilizer and Elevator Access Doors and Panels
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AIPC 27-31-08, Fig. 2
C.
Access
(1)
Location Zone
336 Elevator Outboard, LH
346 Elevator Outboard, RH
(2)
Access Panel 334LBL Horizontal Stab. Trailing Edge Access Panel, LH 344LBR Horizontal Stab. Trailing Edge Access Panel, RH 336DBL Leading Edge Actuator Access Panel, LH 346DBR Leading Edge Actuator Access Panel, RH
D.
Remove the Outboard Elevator PCP Filter
(1)
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).
(2)
Set the STAB TRIM 2 and 3 switches on the control stand to CUTOUT.
S 862-064
S 862-065
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-31-08
ALL ú ú 01 Page 217 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
SEE A
1.
POWER CONTROL PACKAGE
2.
BACKUP RING
3.
PACKING
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