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UF94200
EFFECTIVITY Page 348
ALL
27 - FLIGHT CONTROLS
27-54-00 FLAP TRANSMISSION COMPONENTS
CONTENTS:
Right Angle Gearbox
Universal Joints
Steady Bearing Assembly
Torque Shaft Assembly
Carriage
Line Gearbox
Actuators
Bevel Gearbox - 19°
Torque Limiters
Flap Track Fairing
Wing Tip Brake
Flap Asymmetry Position Pick off Unit
TMUFCTN01 LEVEL 3
EFFECTIVITY 27-54-00 Page 1
Oct 31/97
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 27 FLIGHT CONTROLS
UF94200
EFFECTIVITY Page 349
ALL
FLAP TRANSMISSION COMPONENTS
RIGHT ANGLE GEARBOX
IDENTIFICATION
FIN: 6203CM, 6253CM
LOCATION
ZONE: 147, 148
COMPONENT DESCRIPTION
The gearbox has a 1.1 ratio. It is filled with grease.
Lip seals on the input and output shafts prevent the
ingress of foreign matter.
Inspection plugs are provided for maintenance.
UNIVERSAL JOINTS
COMPONENT DESCRIPTION
Universal joints are bolted to the ends of the torque
shafts.
This permits small angular changes of alignment, and
wind flexing.
STEADY BEARING ASSEMBLY
COMPONENT DESCRIPTION
Steady bearings, attached to the structure, hold the
shafts where necessary.
TMUFCTN01-T01 LEVEL 3
EFFECTIVITY 27-54-00 Page 2
Oct 31/97
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 27 FLIGHT CONTROLS
UF94200
EFFECTIVITY Page 350
ALL
FLAP TRANSMISSION COMPONENTS - RIGHT ANGLE GEARBOX - UNIVERSAL JOINTS - STEADY BEARING
ASSEMBLY
TMUFCTN01-P01 LEVEL 3
EFFECTIVITY 27-54-00 Page 3
Oct 31/97
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 27 FLIGHT CONTROLS
UF94200
EFFECTIVITY Page 351
ALL
FLAP TRANSMISSION COMPONENTS
TORQUE SHAFT ASSEMBLY
COMPONENT DESCRIPTION
The torque shafts are connected through universal
joints and supported in steady bearings.
They are made from stainless steel.
CARRIAGE
IDENTIFICATION
FIN: 6205CM, 6255CM
LOCATION
ZONE: 147, 148
COMPONENT DESCRIPTION
The carriage at track 1 hangs below the track and
comprises four vertical load and two side-load rollers.
Six vertical and four side load rollers hold the other
carriages on their track.
Each carriage incorporates a fail safe hook to prevent
flap detachment.
LINE GEARBOX
IDENTIFICATION
FIN: 6209CM, 6259CM
LOCATION
ZONE: 573, 673
COMPONENT DESCRIPTION
The LINE gearbox has a 1.1 ratio.
Bearings, seals and methods of lubrication and
inspection are the same as those used on the right
angle gearbox.
TMUFCTN01-T02 LEVEL 3
EFFECTIVITY 27-54-00 Page 4
Oct 31/97
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 27 FLIGHT CONTROLS
UF94200
EFFECTIVITY Page 352
ALL
FLAP TRANSMISSION COMPONENTS - TORQUE SHAFT ASSEMBLY - CARRIAGE - LINE GEARBOX
TMUFCTN01-P02 LEVEL 3
EFFECTIVITY 27-54-00 Page 5
Oct 31/97
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 27 FLIGHT CONTROLS
UF94200
EFFECTIVITY Page 353
ALL
FLAP TRANSMISSION COMPONENTS
ACTUATORS
IDENTIFICATION
FIN: 6205CM, 6255CM
LOCATION
ZONE: 147, 148
COMPONENT DESCRIPTION
A rotary actuator driven by an offset gearbox operates
the flap mechanism at each flap track.
Actuator at track 1:
The rotary actuator is bolted to the offset gearbox
casing and is driven by its output shaft.
Input torque from the offset gearbox is transmitted
by a first stage gear train to the power stage of the
actuator.
Actuator at track 2:
Similar to that described at T1 but a longer version
of rotary actuator is used.
Actuator at track 3:
Similar to actuator at T1 but bevel gears instead of
spur gears in the offset gearbox.
Actuator at track 4:
Similar to actuator at T1 but bevel gears instead of
spur gears are used in the offset gearbox which has a
separate spur gear to drive the APPU.
BEVEL GEARBOX - 19 DEGREES
IDENTIFICATION
FIN: 6217CM, 6267CM
LOCATION
ZONE: 575, 675
COMPONENT DESCRIPTION
The bevel gearbox has a 1.1 ratio.
Bearings, seals and methods of lubrication and
inspection are the same as those used on the right
angle gearbox.
TMUFCTN01-T03 LEVEL 3
EFFECTIVITY 27-54-00 Page 6
Oct 31/97
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 27 FLIGHT CONTROLS
　
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