R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 27-54-41-860-050
D. Aircraft Maintenance Configuration
(1)
Depressurize the Green and Yellow hydraulic systems. (Ref. TASK 29-00-00-864-001)
(2)
Install the PIN RIGGING-FLAPS (TRACK 1) (98D27504005000) in flap track position 1 to lock the flap transmission. FOR 6203CM lock the left flap transmission. FOR 6253CM lock the right flap transmission.
(3)
Put the warning notice in position to tell persons not to pressurize the hydraulic systems.
**ON A/C 301-399,
Subtask 27-54-41-860-050-A
D. Aircraft Maintenance Configuration
(1)
Depressurize the Green and Yellow hydraulic systems. (Ref. TASK 29-00-00-864-001)
(2)
Install the PIN RIGGING FLAPS (98D27504006000) in flap track position 1 to lock the flap transmission. FOR 6203CM lock the left flap transmission. FOR 6253CM lock the right flap transmission.
(3)
Put the warning notice in position to tell persons not to pressurize the hydraulic systems.
R **ON A/C ALL
4. Procedure
_________
(Ref. Fig. 401/TASK 27-54-41-991-001) Subtask 27-54-41-020-050
A. Removal of the Right Angle Gearbox 6204CM (6254CM)
(1)
Disconnect the torque shaft 6202CM (6252CM) (9) as follows:
(a)
Move the spring (3) and remove the pin (10).
(b)
Remove the nuts (7) and the bolts (6) which connect the torque shaft (9) to the input universal joint (5) of the right angle gearbox (1).
(c)
Disconnect the torque shaft (9) from the input universal joint (5).
(d)
Remove the input universal joint (5) from the right angle gearbox (1).
(2)
Disconnect the torque shaft 6204CM (6254CM) (11) as follows:
(a)
Move the spring (3) and remove the pin (10).
(b)
Remove the nuts (7) and the bolts (14) which connect the torque shaft (11) to the input universal joint (18) of the right angle gearbox (1).
(c)
Remove the shim (15).
(d)
Disconnect the torque shaft (11) from the input universal joint (18).
(e)
Remove the input universal joint (18) from the right angle gearbox (1).
(3)
Remove the right angle gearbox 6203CM (6253CM) (1) as follows:
(a)
Hold the right angle gearbox (1) so that it can not fall.
(b)
Remove the bolts (16) and the washers (17) which attach the right angle gearbox (1) to the support bracket.
Right Angle Gearbox Figure 401/TASK 27-54-41-991-001
1EFF : 1 1R 1CES ALL 1 11 1 27-54-41 Page 405 May 01/04
(c) Remove the right angle gearbox (1).
1EFF : ALL 1 27-54-41Page 406 1 1 May 01/04R 1 1 1CES 1
TASK 27-54-41-400-001
Installation of the Right Angle Gearbox 6203CM,(6253CM)
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
NOTE : The installation procedure for the right angle gearbox 6203CM is
____ specified. The procedure for the right angle gearbox 6253CM is almost the same. Any differences in the procedures are specified where applicable.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft) No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft) 98D27504005000 1 PIN RIGGING-FLAPS (TRACK 1) 98D27504006000 1 PIN RIGGING FLAPS 98D27803000000 1 LOCKING TOOL - FLAP/SLAT CONTROL LEVER FOR FIN 6253CM No specific warning notice No specific access platform 3.10 m (10 ft. 2 in.)
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