-
FOR 34CV pressurize the Green and the Blue hydraulic systems.
(3) Examine the solenoid valve (7) and the interface to the wing tip brake for leaks.
Subtask 27-51-51-710-052
F. Test
(1)
Do an operational test of the flap wing-tip brake (Ref. TASK 27-51-00-710-001).
(2)
Examine the solenoid valve (7) and the interface to the wing tip brake for leaks.
5. Close-up
________
(Ref. Fig. 401/TASK 27-51-51-991-001) Subtask 27-51-51-410-051
A. Close Access
(1)
Remove the COLLAR-SAFETY, SPOILER from the piston rod of the servo-control.
(2)
Put the No. 3 spoiler in the 'O' (Operation) position (Ref. TASK 27-60-00-866-002).
(3)
On the servo-control, make sure that the pointer on the hex-head is opposite the letter 'O' (Operation) on the housing.
(4)
Make sure that the work area is clean and clear of tool(s) and other items.
(5)
Install the access panels:
FOR 33CV
install 575DB, 575EB
FOR 34CV
install 675DB, 675EB.
Subtask 27-51-51-865-057
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 21CE1, 21CE2, 21CE3, 22CE.
Subtask 27-51-51-866-055
C. Aircraft Configuration
(1) Remove the LOCKING TOOL - FLAP/SLAT CONTROL LEVER from the flap/slat control lever.
(2) Retract the flaps fully (Ref. TASK 27-50-00-866-009). Subtask 27-51-51-942-055
D. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the warning notice(s).
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
FLAPS HYDRAULIC ACTUATION AND POWER TRANSMISSION - DESCRIPTION AND OPERATION
____________________________________________________________________________
1. General
_______
A hydromechanical Power Control Unit (PCU) in the fuselage supplies the mechanical power to the flap transmission system. The PCU has two hydraulic motors. Each motor has a Pressure-Off Brake (POB) and a valve block, which is electrically controlled.
Torque shafts and gearboxes transmit the mechanical power from the PCU to the offset gearboxes of the actuators. The offset gearboxes then transmit the power through their torque limiters to the rotary actuators, which move the flap transmission system.
The torque limiters control the transmission of torque from the offset gearboxes to keep the torque in the specified limits. The torque limiters prevent the mechanical overload of the rotary actuators. __________________
2. Component Location
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 001)
**ON A/C 301-399,
(Ref. Fig. 001A) R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 002)
**ON A/C 301-399,
(Ref. Fig. 002A)
Flap System - Component Location
Figure 001
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 27-54-00Page 2 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
R Flap System - Component Location
R Figure 001A
R 1EFF : 301-399, 1 27-54-00 Page 3
1 1 May 01/04
1 1
1CES 1
Steady Bearings and Torque Shafts - Component Location
Figure 002
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 27-54-00Page 4 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1R Steady Bearings and Torque Shafts - Component Location R Figure 002A
R 1EFF : 301-399, 1 27-54-00Page 5 1 1 May 01/04 1 1 1CES 1
R **ON A/C ALL
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF. -------------------------------------------------------------------------------
6201CM POWER CONTROL UNIT
6202CM TORQUE SHAFT ASSY-TRANSMISSION
6203CM GEARBOX-RIGHT ANGLE
6204CM TORQUE SHAFT ASSY-TRANSMISSION
6205CM ACTUATOR ASSY
6206CM TORQUE SHAFT ASSY-TRANSMISSION
6207CM STEADY BEARING ASSY
6208CM TORQUE SHAFT ASSY-TRANSMISSION
6209CM LINE GEARBOX
6210CM TORQUE SHAFT ASSY-TRANSMISSION
6211CM ACTUATOR ASSY
6212CM TORQUE SHAFT ASSY-TRANSMISSION
6213CM STEADY BEARING ASSY
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