747-400
MAINTENANCE MANUAL
(RPCP) INSTALLATION ROLLOUT POWER CONTROL PACKAGE SEE A
BELLCRANK FEEL AND CENTERING UNIT
ASSEMBLY CLEVIS/TUBE CENTERING UNIT FEEL AND ASSEMBLY
FITTING HYDRAULIC OVERRIDE MECHANISM CAM
ELECTRICAL CONNECTOR
FITTING HYDRAULIC
AND WASHER (4 LOCATIONS) RPCP MOUNTING BOLTS ASSEMBLY CONTROL ROD FWD CONTROL PACKAGE ROLLOUT POWER (3 LOCATIONS)
A
RPCP and Override Mechanism Installation Figure 201 (Sheet 1)
D20642
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A
747-400
MAINTENANCE MANUAL
CLEVIS
ASSEMBLY
1.15
INCHES MAX
SEE B CHECKNUT
SLEEVE
CHECKNUT 1.52
INCHES MAX BONDED-BOLT
TUBEEACH END OF ASSEMBLY
CLEVIS/TUBE ASSEMBLY
CENTERING UNIT RIG PIN TUBE ASSEMBLY
CHANNEL COARSE/FINE ADJUSTMENT
SEE C
C
CLEVIS
BONDED-BOLT ASSEMBLY EACH END OF CONTROL ROD
OVERRIDE MECHANISM MOUNTING BONDED-BOLT ASSEMBLY
RPCP OUTPUT ARM
FWD BONDED-BOLTCONTROL ROD ASSEMBLYRIG PIN ON EACH RPCP
CONTROL ROD ASSEMBLY
B
RPCP and Override Mechanism Installation Figure 201 (Sheet 2)
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A
747-400
MAINTENANCE MANUAL
(2) Access Panels 324EL left Side Vertical Stabilizer Midway Down Lower Rudder 324FR Right Side Vertical Stabilizer Between Upper and Lower
Rudder 324FL Left Side Vertical Stabilizer Between Upper and Lower Rudder
D. Prepare for the Rollout Power Control Package Removal
S 862-006
(1)
Supply electrical power (AMM 24-22-00/201).
S 862-007
(2)
Remove hydraulic power from the applicable hydraulic system
(AMM 29-11-00/201).
NOTE: The hydraulic system No. 1 supplies the power to the center
____ RPCP. The hydraulic system No. 2 supplies the power to the right RPCP. The hydraulic system No. 3 supplies the power to the left RPCP.
S 862-008
(3)
Set the FLT CONTROL HYD POWER TAIL 1, 2, 3, and 4 switches to the SHUTOFF position. These switches are on the Pilots' Overhead Maintenance Panel, P461.
S 862-009
(4)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P6, Main Power Distribution Panel
1) 6J24, RUD/ELEV SENSOR
2) 6J25, RUD/ELEV IND
(b)
P7, Overhead Circuit Breaker Panel
1) 7D7, FLT CONT CMPTR SERVO L
2) 7D8, FLT CONT CMPTR PWR L
3) 7D12, FLT CONT CMPTR SERVO C
4) 7D13, FLT CONT CMPTR PWR C
5) 7D14, FLT CONT CMPTR SERVO R
6) 7D15, FLT CONT CMPTR PWR R
S 012-010
(5) Remove the access panels 324EL, 324FL, and 324FR (optional) to get access to the RPCP (AMM 06-09-07/201).
E. Rollout Power Control Package Removal
S 032-011
(1) Put the bucket below the hydraulic ports.
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747-400 MAINTENANCE MANUAL
S 862-012
WARNING: DO NOT GET THE FIRE-RESISTANCE HYDRAULIC FLUID (BMS 3-11) ON
_______ YOUR SKIN. THE BMS 3-11 HYDRAULIC FLUID CAN CAUSE SKIN IRRITATION. IF THE BMS 3-11 HYDRAULIC FLUID GETS INTO YOU EYES, FLUSH THEM WITH WATER AND GET MEDICAL AID. IF YOU BREATHE THE SPRAY OF BMS 3-11 HYDRAULIC FLUID, GET MEDICAL AID IMMEDIATELY.
(2)
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