D
29. BOLT ASSEMBLY
Upper Rudder Power Control Actuator
Figure 401 (Sheet 2)
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747-400 MAINTENANCE MANUAL
36. BOLT
Upper Rudder Power Control Actuator
Figure 401 (Sheet 3)
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MAINTENANCE MANUAL
RUDDER PCP
A
Rudder PCP Hoist Installation Figure 402
F24763
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747-400 MAINTENANCE MANUAL
(b)
Remove the bolt (13) and washer (14) that connect the actuator
(4)
to the upper rudder attachment fitting (15).
(c)
Use the fishpole hoist and the hoist frame equipment to hold the actuator (4).
(d)
Remove the four bolts (11) and washers (12) that attach the actuator (4) to the pillow block (3).
(e)
Retract the piston in the actuator (4).
(f)
Install the caps on the hydraulic ports.
(g)
Remove the actuator through the opening in the right side of the vertical stabilizer.
(h)
Remove the shim (10).
NOTE: You will install this shim (10) in the same location.
____ If a replacement shim is necessary, measure the thickness of the shim (10) and make a record of the dimension and location.
S 494-087
(5)
If you will not install the upper actuator immediately, do these steps to install the rudder actuator lock (referred to as the lock):
(a)
Put the lock in the location of the actuator that you removed.
(b)
Attach the lock to the pillow block (3) with its four bolts.
(c)
Adjust the length of the lock until you can connect it to the rudder with the pin.
(d)
Install the three lockpins in the lock.
(e)
Remove the rudder clamp from between the upper and lower rudder.
TASK 27-21-15-404-008
4. Upper Rudder Upper Actuator Installation (Fig. 401)________________________________________
A. Special Tools and Equipment
(1)
ST2580-267, Spanner Wrench Adapter Set
(2)
3ME65B81000-1, Rudder Clamp
(3)
G27008-19, Rudder Actuator Lock
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MAINTENANCE MANUAL
(4)
G27016-39, Hoist Frame
(5)
Fishpole Hoist - P/N PF51-009-1 or Equivalent
PF Industries
Hoist Manlift
Didsbury Engineering
B.
Consumable Materials
(1)
A00247, Sealant - BMS 5-95
(2)
D00054, Lubricant - Skydrol Assembly Lube MCS352
(3)
D00153, Fluid, Hydraulic Fire Resistant - BMS 3-11
C. Parts ~.............................................................................. | AMM | | AIPC | ................. ...........................| | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG| ITEM | ...............................................................................| | 401 | 4 | Actuator-Upper | 27-21-15 | 02 | 280 | | | 10 | Shim | | |760, 765 | | | 11 | Bolt | | | 130 | | | 12 | Washer | | | 135 | | | 13 | Bolt | | | 140 | | | 14 | Washer | | | 190 | | | 16 | Nut | | | 200 | | | 17 | Washer | | | 195 | | | | | | | | 2......…........…...................................…...........…....….........1
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