W DOC AIRBUS | AMM A320F

Adjustment of the MLG Free-Fall Extension Cable System

TASK 32-33-00-820-003-A
Adjustment of the MLG Free-Fall Extension Cable 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.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
1. Reason for the Job
Self Explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
CABLE TENSIOMETER
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
WARNING NOTICE(S)
No specific
3
WEDGE - NON METALLIC
460005835
2
SLEEVE - GROUND LOCK
98D32203502000
2
SAFETY PIN - NLG DOOR
98DNSA20208060
2
RIGGING PIN
98DNSA20208150
2
RIGGING PIN
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
211FF, 211JF, 232DF, 241EF, 241LF, 242FF, 242LF, 825
131NC, 242BF
131BC
131DC
232LF
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 25-54-12-000-002-A
Removal of the Ceiling Panels in the Forward Cargo Compartment
TASK 25-54-12-400-002-A
Installation of the Ceiling Panels in the Forward Cargo Compartment
TASK 32-00-00-481-001-A
Installation of the Safety Devices on the Landing Gears
TASK 32-00-00-481-002-A
Installation of the Safety Devices on the Landing Gear Doors
TASK 32-00-00-860-001-A
Flight Configuration Precautions with Electrical Power
TASK 32-00-00-860-001-A-01
Flight Configuration Precautions without Electrical Power
TASK 32-00-00-860-002-A
Ground Configuration after Flight Configuration with Electrical Power
TASK 32-00-00-860-002-A-01
Ground Configuration after Flight Configuration without Electrical Power
TASK 32-12-00-010-001-A
Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A
Close the Main Gear Doors after Access
TASK 32-22-00-010-001-A
Nose Gear Doors - Ground Doors Opening
TASK 32-22-00-410-001-A
Nose Gear Doors - Ground Doors Closing
TASK 32-33-00-720-001-A
Functional Check of Free-Fall Extension
TASK 32-33-00-820-004-A
Adjustment of the MLG Free-Fall Extension Mechanical System
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A
Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 53-12-11-000-001-A
Removal of the Cockpit Floor Panels from FR1 thru FR12
TASK 53-12-11-400-001-A
Installation of the Cockpit Floor Panels from FR1 thru FR12
TASK 53-32-12-000-002-A
Removal of the Cabin Floor Panels
TASK 53-32-12-400-002-A
Installation of the Cabin Floor Panels
F Forward-Fuselage Floor Panels
F Passenger-Compartment Floor Panels
F Forward Cargo-Compartment Access Panels ** ON A/C NOT FOR ALL
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
F Forward Cargo-Compartment Access Panels ** ON A/C NOT FOR ALL
F Forward Cargo-Compartment Access Panels ** ON A/C NOT FOR ALL
F MLG Cable-Tension Graph
F MLG-Bay Cable-Tension Graph - Weight on Wheels
F MLG-Bay Cable-Tension Graph - Weight on Jacks
3. Job Set-up
Subtask 32-33-00-941-054-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Make sure that the ground safety locks are on the landing gear (Ref. AMM TASK 32-00-00-481-001).
   (3) On panel 400VU:
  • Make sure that the landing-gear control-lever is in the DOWN position
  • Put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear.
   (4) On panel 110VU, lock the GRAVITY GEAR EXTN handle (18) as follows:
     (a) Make sure that the handle (18) is folded into the center console.
     (b) Put a WEDGE - NON METALLIC at each side of the handle (18) to keep it in position and prevent its movement.
Subtask 32-33-00-010-054-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the NLG doors (Ref. AMM TASK 32-22-00-010-001).
   (2) Make sure that a 98D32203502000 SAFETY PIN - NLG DOOR is installed in each NLG door.
   (3) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
   (4) Make sure that a 460005835 SLEEVE - GROUND LOCK is installed on each MLG door.
   (5) Open the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
   (6) Remove the forward cargo-compartment ceiling-panels 131BC (Ref. AMM TASK 25-54-12-000-002).
   (7) Remove the cockpit floor panels 211FF 211JF (Ref. AMM TASK 53-12-11-000-001).
   (8) Remove the passenger compartment floor panels 232DF 232LF 241EF 241LF 242FF 242LF (Ref. AMM TASK 53-32-12-000-002).
Subtask 32-33-00-010-054-B ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the NLG doors (Ref. AMM TASK 32-22-00-010-001).
   (2) Make sure that a 98D32203502000 SAFETY PIN - NLG DOOR is installed in each NLG door.
   (3) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
   (4) Make sure that a 460005835 SLEEVE - GROUND LOCK is installed on each MLG door.
   (5) Open the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
   (6) Remove the forward cargo-compartment ceiling-panels 131NC (Ref. AMM TASK 25-54-12-000-002).
   (7) Remove the cockpit floor panels 211FF 211JF (Ref. AMM TASK 53-12-11-000-001).
   (8) Remove the passenger compartment floor panels 232DF 241EF 241LF 242BF 242FF 242LF (Ref. AMM TASK 53-32-12-000-002).
Subtask 32-33-00-010-054-C ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the NLG doors (Ref. AMM TASK 32-22-00-010-001).
   (2) Make sure that the 98D32203502000 SAFETY PIN - NLG DOOR is installed in each NLG door.
   (3) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
   (4) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on each MLG door.
   (5) Open forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
   (6) Remove forward cargo-compartment ceiling-panels 131BC and 131DC (Ref. AMM TASK 25-54-12-000-002).
   (7) Remove cockpit floor panels 211FF and 211JF (Ref. AMM TASK 53-12-11-000-001).
   (8) Remove passenger-compartment floor panels 232DF 241EF 241LF 242FF and 242LF (Ref. AMM TASK 53-32-12-000-002).
Subtask 32-33-00-010-054-D ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the NLG doors (Ref. AMM TASK 32-22-00-010-001).
   (2) Make sure that the 98D32203502000 SAFETY PIN - NLG DOOR is installed in each NLG door.
   (3) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
   (4) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on each MLG door.
   (5) Open forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
   (6) Remove forward cargo-compartment ceiling-panels 131BC (Ref. AMM TASK 25-54-12-000-002).
   (7) Remove cockpit floor panels 211FF and 211JF (Ref. AMM TASK 53-12-11-000-001).
   (8) Remove passenger-compartment floor panels 232DF 241EF 241LF 242FF and 242LF (Ref. AMM TASK 53-32-12-000-002).
Subtask 32-33-00-869-070-A
C. Flight Configuration Precautions
   (1) If the electrical power is not necessary for other maintenance tasks, de-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002). Then, it is not necessary to operate the LGCIU circuit breakers.
   (2) If the electrical power is necessary, do the precautions for flight configuration (Ref. AMM TASK 32-00-00-860-001) before you open the LGCIU circuit breakers.
Subtask 32-33-00-865-059-A
D. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS259GAR33
121VULGCIU/BAT SPLY/SYS158GAR32
** ON A/C ALL
121VUHYDRAULIC/LGCIU/SYS22GAQ35
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS259GAR32
121VULGCIU/BAT SPLY/SYS158GAR31
4. Procedure
CAUTION: MAKE SURE THAT THE FREE-FALL EXTENSION CABLES ARE ADJUSTED CORRECTLY. INCORRECT ADJUSTMENT OF THE CABLES CAN CAUSE THE FREE-FALL EXTENSION SYSTEM TO BE UNSERVICEABLE.
Subtask 32-33-00-480-059-A
A. Installation of the Rigging Pins
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
   (1) Install the 98DNSA20208150 RIGGING PIN at position Pin 12 and Pin 1.
   (2) Make sure that the NLG doors are open (Ref. AMM TASK 32-22-00-010-001).
   (3) Make sure that a 98D32203502000 SAFETY PIN - NLG DOOR is installed in each NLG door (Ref. AMM TASK 32-00-00-481-002).
   (4) Make sure that the MLG doors are open (Ref. AMM TASK 32-12-00-010-001).
   (5) Make sure a 460005835 SLEEVE - GROUND LOCK is installed on each MLG door.
   (6) Install the 98DNSA20208060 RIGGING PIN at position Pin 2 and Pin 11.
   (7) Make sure that the related parts are locked.
NOTE: If the rigging pins can not be installed, adjust the MLG mechanical system (Ref. AMM TASK 32-33-00-820-004).
Subtask 32-33-00-820-054-A ** ON A/C NOT FOR ALL
B. Adjustment of the cables (1) and (2)
   (1) Attach the CABLE TENSIOMETER to the cable (1) at position A in the forward cargo compartment, zone 131(132). Make sure that the tensiometer is attached a minimum of 80 mm (3.1496 in.) away from pulleys or turnbuckles.
   (2) Get the ambient temperature and the temperature of the underfloor area.
   (3) Remove the two locking clips (16) from the turnbuckle body (17) between the cables (1) and (2).
   (4) Plot the ambient and underfloor temperature points on the graph and find the correct tension value.
F MLG Cable-Tension Graph ** ON A/C NOT FOR ALL
   (5) When the points of the ambient temperature and the underfloor temperature meet between the given lines of tension:
  • The correct tension value will be calculated by linear extrapolation. (See the example on the graph).
    F MLG Cable-Tension Graph ** ON A/C NOT FOR ALL
   (6) Operate the tensiometer. If necessary, adjust the turnbuckle body (17) until the tensiometer shows the same value as you found on the graph.
   (7) Get five tensiometer indications from the same position on the cable. Use the middle indication as the correct value. Ignore the two lowest and the two highest indication values.
   (8) Release the tensiometer.
   (9) Safety the ends of the cables (1) and (2) and the turnbuckle body (17) with the two locking clips (16).
   (10) If necessary, increase the cable tension to align the locking clips (16) and the turnbuckle body (17). Do not decrease the cable tension to align the locking clips (16) and the turnbuckle body (17).
   (11) Remove the tensiometer.
Subtask 32-33-00-820-054-B ** ON A/C NOT FOR ALL
B. Adjustment of the cables (1) and (2)
   (1) Attach the CABLE TENSIOMETER to the cable (2) at position A in the forward cargo compartment, zone 131(132). Make sure that the tensiometer is attached a minimum of 80 mm (3.1496 in.) away from pulleys or turnbuckles.
   (2) Get the ambient temperature and the temperature of the underfloor area.
   (3) Remove the two locking clips (16) from the turnbuckle body (17) between the cables (1) and (2).
   (4) Plot the ambient and underfloor temperature points on the graph and find the correct tension value.
F MLG Cable-Tension Graph ** ON A/C NOT FOR ALL
   (5) When the points of the ambient temperature and the underfloor temperature meet between the given lines of tension:
  • The correct tension value will be calculated by linear extrapolation. (See the example on the graph).
    F MLG Cable-Tension Graph ** ON A/C NOT FOR ALL
   (6) Operate the tensiometer. If necessary, adjust the turnbuckle body (17) until the tensiometer shows the same value as you found on the graph.
   (7) Get five tensiometer indications from the same position on the cable. Use the middle indication as the correct value. Ignore the two lowest and the two highest indication values.
   (8) Release the tensiometer.
   (9) Safety the ends of the cables (1) and (2) and the turnbuckle body (17) with the two locking clips (16).
   (10) If necessary, increase the cable tension to align the locking clips (16) and the turnbuckle body (17). Do not decrease the cable tension to align the locking clips (16) and the turnbuckle body (17).
   (11) Remove the tensiometer.
Subtask 32-33-00-820-055-A
C. Adjustment of the cables (3) and (4)
   (1) Do the procedure as for the cables (1) and (2), specified in paragraph 4. B.
Subtask 32-33-00-820-056-A
D. Adjustment of the cables (5) and (6)
F MLG-Bay Cable-Tension Graph - Weight on Wheels
F MLG-Bay Cable-Tension Graph - Weight on Jacks
   (1) Attach the CABLE TENSIOMETER to the cable (5) at position C in the MLG-Bay, zone 191(192). Make sure that the tensiometer is attached a minimum of 80 mm (3.1496 in.) away from pulleys and turnbuckles.
   (2) Make sure of the ambient temperature.
   (3) Remove the two locking clips (16) from the turnbuckle body (17) between the cables (5) and (6).
   (4) Find the correct tension value on the graph for the ambient temperature:
   (5) Operate the tensiometer. If necessary, adjust the turnbuckle body (17) until the tensiometer shows the same value as you found on the graph.
   (6) Release the tensiometer.
   (7) Operate the tensiometer. If you do not get the correct value, adjust the turnbuckle (17) again, until the value is correct.
   (8) Safety the ends of the cables (5) and (6) and the turnbuckle body (17) with the two locking clips (16).
NOTE: If necessary, increase the cable tension to align the locking clips (16) and the turnbuckle body (17). Do not decrease the cable tension to align the locking clips (16) and the turnbuckle body (17).
   (9) Remove the tensiometer.
Subtask 32-33-00-820-057-A
E. Adjustment of the cables (7) and (8)
   (1) Do the same procedure as for cables (5) and (6), specified in paragraph 4. D.
Subtask 32-33-00-820-058-A
F. Adjustment of the cables (9) and (10)
F MLG-Bay Cable-Tension Graph - Weight on Wheels
F MLG-Bay Cable-Tension Graph - Weight on Jacks
   (1) Attach the CABLE TENSIOMETER to the cable (9) at position B in the MLG-Bay, zone 191(192). Make sure that the tensiometer is attached a minimum of 80 mm (3.1496 in.) away from pulleys and turnbuckles.
   (2) Make sure of the ambient temperature.
   (3) Remove the two locking clips (16) from the turnbuckle body (17) between the cables (9) and (10).
   (4) Find the correct tension value on the graph for the ambient temperature:
   (5) Operate the tensiometer. If necessary, adjust the turnbuckle body (17) until the tensiometer shows the same value as you found on the graph.
   (6) Release the tensiometer.
   (7) Operate the tensiometer. If you do not get the correct value, adjust the turnbuckle (17) again, until the value is correct.
   (8) Safety the ends of the cables (9) and (10) and the turnbuckle body (17) with the two locking clips (16).
NOTE: If necessary, increase the cable tension to align the locking clips (16) and the turnbuckle body (17). Do not decrease the cable tension to align the locking clips (16) and the turnbuckle body (17).
   (9) Remove the tensiometer.
Subtask 32-33-00-820-059-A
G. Adjustment of the cables (11) and (12)
   (1) Do the same procedure as for the cables (9) and (10), specified in paragraph 4. F.
Subtask 32-33-00-080-055-A
H. Removal of the Rigging Pins
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
   (1) Remove the 98DNSA20208150 RIGGING PIN at position Pin 12 and Pin 1.
   (2) Remove the 98DNSA20208060 RIGGING PIN at position Pin 2 and Pin 11.
Subtask 32-33-00-942-056-A
I. Removal of Equipment
   (1) On panel 110VU, remove the WEDGE - NON METALLIC from each side of the GRAVITY GEAR EXTN handle (18).
Subtask 32-33-00-865-060-A
J. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS259GAR33
121VULGCIU/BAT SPLY/SYS158GAR32
** ON A/C ALL
121VUHYDRAULIC/LGCIU/SYS22GAQ35
121VUHYDRAULIC/LGCIU/SYS1/GRND SPLY52GAQ34
** ON A/C NOT FOR ALL
121VULGCIU/BAT SPLY/SYS259GAR32
121VULGCIU/BAT SPLY/SYS158GAR31
Subtask 32-33-00-710-053-A
K. Free Fall Extension System Operation
CAUTION: MAKE SURE THAT THE RIGGING PINS ARE REMOVED BEFORE OPERATION OF THE FREE FALL SYSTEM. DAMAGE WILL OCCUR IF THE RIGGING PINS ARE INSTALLED DURING SYSTEM OPERATION.
   (1) To let the cables and linkages become stable, operate the free-fall extension system through ten full cycles:
     (a) For one full cycle, on panel 110VU:
  • Operate the GRAVITY GEAR EXTN handle three turns in a clockwise direction at a rate of one turn every five seconds
  • Operate the GRAVITY GEAR EXTN handle three turns in a counter-clockwise direction at a rate of one turn every five seconds.
   (2) Lock the GEAR GRAVITY EXTN operating handle (1):
     (a) Put the handle (1) in the stowed position.
     (b) Put a WEDGE - NON METALLIC at each side of the handle (1), to keep it in position and prevent its movement.
Subtask 32-33-00-480-063-A
L. Installation of the Rigging Pins
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
   (1) Install the 98DNSA20208150 RIGGING PIN at position Pin 12 and Pin 1.
   (2) Install the 98DNSA20208060 RIGGING PIN at position Pin 2 and Pin 11.
   (3) Make sure that the related parts are locked.
NOTE: If the rigging pins can not be installed, adjust the MLG mechanical system (Ref. AMM TASK 32-33-00-820-004).
   (4) On panel 110VU:
  • Lock the GRAVITY GEAR EXTN handle (18) as follows:
     (a) Make sure that the handle (18) is folded into the center console.
     (b) Put a WEDGE - NON METALLIC at each side of the handle (18) to keep it in position and prevent its movement.
Subtask 32-33-00-820-075-A
M. Adjustment of the cables (1) and (2)
   (1) Adjust the MLG free-fall cables (1) and (2) again, as specified in paragraph 4. B.
Subtask 32-33-00-820-076-A
N. Adjustment of the cables (3) and (4)
   (1) Adjust the MLG free-fall cables (3) and (4) again, as specified in paragraph 4. C.
Subtask 32-33-00-820-077-A
O. Adjustment of the cables (5) and (6)
F MLG-Bay Cable-Tension Graph - Weight on Wheels
F MLG-Bay Cable-Tension Graph - Weight on Jacks
   (1) Adjust the MLG free-fall cables (5) and (6) again, as specified in paragraph 4. D.
Subtask 32-33-00-820-078-A
P. Adjustment of the cables (7) and (8)
   (1) Adjust the MLG free-fall cables (7) and (8) again, as specified in paragraph 4. E.
Subtask 32-33-00-820-079-A
Q. Adjustment of the cables (9) and (10)
F MLG-Bay Cable-Tension Graph - Weight on Wheels
F MLG-Bay Cable-Tension Graph - Weight on Jacks
   (1) Adjust the MLG free-fall cables (9) and (10) again, as specified in paragraph 4. F.
Subtask 32-33-00-820-080-A
R. Adjustment of the cables (11) and (12)
   (1) Adjust the MLG free-fall cables (11) and (12) again, as specified in paragraph 4. G.
Subtask 32-33-00-080-060-A
S. Removal of the Rigging Pins
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
F MLG Free-Fall Extension - System Adjustment ** ON A/C NOT FOR ALL
   (1) Remove the 98DNSA20208150 RIGGING PIN at position Pin 12 and Pin 1.
   (2) Remove the 98DNSA20208060 RIGGING PIN at position Pin 2 and Pin 11.
   (3) On panel 110VU:
  • Remove the WEDGE - NON METALLIC from each side of the GEAR EXTN handle (18).
Subtask 32-33-00-869-071-A
T. Ground Configuration
   (1) If you did the flight configuration precautions, put the aircraft back to the ground configuration (Ref. AMM TASK 32-00-00-860-002).
Subtask 32-33-00-410-056-A ** ON A/C NOT FOR ALL
U. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the NLG doors (Ref. AMM TASK 32-22-00-410-001).
   (3) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
   (4) Install the cockpit floor panels 211FF 211JF (Ref. AMM TASK 53-12-11-400-001).
   (5) Install the passenger compartment floor panels 232DF 232LF 241EF 241LF 242FF 242LF (Ref. AMM TASK 53-32-12-400-002).
   (6) Install the forward cargo-compartment ceiling-panel 131BC (Ref. AMM TASK 25-54-12-400-002).
   (7) Close the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
Subtask 32-33-00-410-056-B ** ON A/C NOT FOR ALL
U. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the NLG doors (Ref. AMM TASK 32-22-00-410-001).
   (3) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
   (4) Install the cockpit floor panels 211FF 211JF (Ref. AMM TASK 53-12-11-400-001).
   (5) Install the passenger compartment floor panels 232DF 241EF 241LF 242BF 242FF 242LF (Ref. AMM TASK 53-32-12-400-002).
   (6) Install the forward cargo-compartment ceiling-panel 131NC (Ref. AMM TASK 25-54-12-400-002).
   (7) Close the forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
Subtask 32-33-00-410-056-C ** ON A/C NOT FOR ALL
U. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the NLG doors (Ref. AMM TASK 32-22-00-410-001).
   (3) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
   (4) Install cockpit floor panels 211FF and 211JF (Ref. AMM TASK 53-12-11-400-001).
   (5) Install passenger-compartment floor panels 232DF 241EF 241LF 242FF and 242LF (Ref. AMM TASK 53-32-12-400-002).
   (6) Install forward cargo-compartment ceiling-panels 131BC and 131DC (Ref. AMM TASK 25-54-12-400-002).
   (7) Close forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
Subtask 32-33-00-410-056-D ** ON A/C NOT FOR ALL
U. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the NLG doors (Ref. AMM TASK 32-22-00-410-001).
   (3) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
   (4) Install cockpit floor panels 211FF and 211JF (Ref. AMM TASK 53-12-11-400-001).
   (5) Install passenger-compartment floor panels 232DF 241EF 241LF 242FF and 242LF (Ref. AMM TASK 53-32-12-400-002).
   (6) Install forward cargo-compartment ceiling-panel 131BC (Ref. AMM TASK 25-54-12-400-002).
   (7) Close forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
Subtask 32-33-00-720-054-A
V. Test
CAUTION: MAKE SURE THAT THE RIGGING PINS ARE REMOVED BEFORE OPERATION OF THE FREE FALL SYSTEM. DAMAGE WILL OCCUR IF THE RIGGING PINS ARE INSTALLED DURING SYSTEM OPERATION.
   (1) Do a functional test of the landing-gear free-fall extension system (Ref. AMM TASK 32-33-00-720-001).
5. Close-up
Subtask 32-33-00-942-057-A
A. Removal of Equipment
   (1) Remove the SAFETY BARRIER(S).
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 12:31:20 UTC
"Aviabrain" 2025