Installation of the Artificial Feel Unlocking Solenoid
TASK 27-23-17-400-001-A
Installation of the Artificial Feel Unlocking Solenoid
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 27-23-17-860-052-B
Subtask 27-23-17-910-050-A
Subtask 27-23-17-410-050-B
[Rev.10 from 2021]
2026.03.31 23:49:07 UTC
Installation of the Artificial Feel Unlocking Solenoid
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.
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE |
| No specific | 1 | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| 98D27207547000 | 1 | PIN-RIGGING |
| 98D27207548000 | 1 | PIN-RIGGING |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03GBD1) | Synthetic Oil base Grease-General Purpose Lithium Thickened - |
| (Material No.03HBD9) | Synthetic Ester base Grease-General Purpose Low Temp - |
| (Material No.06LCG9) | Non Hardening Jointing Putty-Medium Temp. Area - - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.12ACB1) | Corrosion Preventive Compound-Heavy Duty Hard Film - |
| (Material No.12ACC1) | Corrosion Preventive Compound-Heavy Duty Soft Film - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 325 | VERTICAL STABILIZER TRAILING EDGE |
| 312AR, 325AL, 325BL |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 14 | COTTER PIN | AIPC 27-23-04-02-080 |
| 30 | COTTER PIN | AIPC 27-23-41-01-080 |
| 20 | SECURING PLATE | AIPC 27-23-41-01-150 |
| 19 | SHIM WASHER | AIPC 27-23-41-01-160 |
| 14 | COTTER PIN | AIPC 27-23-84-02-080 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-23-00-710-001-A | Operational Test of the Rudder Artificial-Feel Loads with Tool (355M03200001) |
| TASK 27-23-00-710-001-A-01 | Operational Test of the Rudder Artificial-Feel Loads without Tool |
| TASK 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
| TASK 53-55-12-000-001-A | Removal of the Rudder Fairings |
| TASK 53-55-12-400-001-A | Installation of the Rudder Fairings |
| TASK 55-33-13-010-002-A | Opening/Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer |
| TASK 55-33-13-410-002-A | Closing/Installation of the Trailing Edge Access-Panels of the Vertical Stabilizer |
Subtask 27-23-17-860-052-B
A. Aircraft Maintenance Configuration
(1) Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration
(Ref. AMM TASK 29-00-00-864-001).
(2) Make sure that the WARNING NOTICE(S) are in position.
(3) Make sure that the rudder pedals are in the neutral position.
(4) Make sure that the RUD TRIM indicator on the panel 110VU of the center pedestal shows zero.
(5) Make sure that the FLT CTL/FAC 1 pushbutton switch on the overhead panel 23VU is released and the OFF legend is on.
(6) Make sure that the FLT CTL/FAC 2 pushbutton switch on the overhead panel 24VU is released and the OFF legend is on.
(7) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at zone 312.
(8) Make sure that the access door 312AR is open.
(9) Make sure that the ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE is in position at zone 325.
(10) Make sure that the access panel 325BL at the trailing edge of the vertical stabilizer (1) is open (Ref. AMM TASK 55-33-13-010-002).
(11) Make sure that the rudder fairing 325AL is removed (Ref. AMM TASK 53-55-12-000-001).
(12) Make sure that the 98D27207547000 PIN-RIGGING (51) is in the rudder cable quadrant and the 98D27207548000 PIN-RIGGING (50) in the mixer of the artifical feel unit.
Subtask 27-23-17-865-052-A (1) Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration
(Ref. AMM TASK 29-00-00-864-001).
(2) Make sure that the WARNING NOTICE(S) are in position.
(3) Make sure that the rudder pedals are in the neutral position.
(4) Make sure that the RUD TRIM indicator on the panel 110VU of the center pedestal shows zero.
(5) Make sure that the FLT CTL/FAC 1 pushbutton switch on the overhead panel 23VU is released and the OFF legend is on.
(6) Make sure that the FLT CTL/FAC 2 pushbutton switch on the overhead panel 24VU is released and the OFF legend is on.
(7) Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at zone 312.
(8) Make sure that the access door 312AR is open.
(9) Make sure that the ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE is in position at zone 325.
(10) Make sure that the access panel 325BL at the trailing edge of the vertical stabilizer (1) is open (Ref. AMM TASK 55-33-13-010-002).
(11) Make sure that the rudder fairing 325AL is removed (Ref. AMM TASK 53-55-12-000-001).
(12) Make sure that the 98D27207547000 PIN-RIGGING (51) is in the rudder cable quadrant and the 98D27207548000 PIN-RIGGING (50) in the mixer of the artifical feel unit.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | B04 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | B03 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | H10 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | H09 |
| ** ON A/C ALL | |||
| 121VU | AUTO FLT/RUDDER/TRIM/IND | 15CC | M20 |
| 121VU | AUTO FLT/FAC2/28VDC | 5CC2 | M19 |
| 121VU | AUTO FLT/FAC2/26VAC | 14CC2 | M18 |
Subtask 27-23-17-910-050-A
A. Preparation for Installation
(1) Clean the interface of the artificial feel unit (4) and the cover (6) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and let it dry.
(2) Make sure that the structure of the vertical stabilizer (1), the structure of the rudder (2) and the paintwork are clean and not damaged.
(3) Make sure that the artificial feel unit (4), the universal joint (5) and the lever arm (11) are clean and in a good condition.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Make sure that the screws (7),(22), the bolts (9),(15), the bushes (10),(16),(32) and the nuts (13),(29) are clean and in a good condition.
(6) Clean the cover (6) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and let it dry.
(7) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the thread of the screws (7),(22) and the bolts (9),(15).
(8) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the bushes (10),(16).
(9) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the shaft of the bolts (9),(15).
(10) Apply a thin layer of Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interface of the Artificial Feel Unit (4).
(11) Apply a thin layer of Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interface of the bracket (24) on the replacement solenoid 16CA (3).
Subtask 27-23-17-280-050-A (1) Clean the interface of the artificial feel unit (4) and the cover (6) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and let it dry.
(2) Make sure that the structure of the vertical stabilizer (1), the structure of the rudder (2) and the paintwork are clean and not damaged.
(3) Make sure that the artificial feel unit (4), the universal joint (5) and the lever arm (11) are clean and in a good condition.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Make sure that the screws (7),(22), the bolts (9),(15), the bushes (10),(16),(32) and the nuts (13),(29) are clean and in a good condition.
(6) Clean the cover (6) with Non Aqueous Cleaner-General - - (Material No.08BAA9) and let it dry.
(7) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the thread of the screws (7),(22) and the bolts (9),(15).
(8) Apply Synthetic Oil base Grease-General Purpose Lithium Thickened - (Material No.03GBD1) or Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) to the bushes (10),(16).
(9) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the shaft of the bolts (9),(15).
(10) Apply a thin layer of Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interface of the Artificial Feel Unit (4).
(11) Apply a thin layer of Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interface of the bracket (24) on the replacement solenoid 16CA (3).
B. Do a test of the forked lever (17) of the artificial feel unit (4) for free movement
(1) Put the artificial feel unit (4) in its installation position.
(2) Temporarily install the bolt (9), the bushes (10),(32), the washers (12),(33) and the nut (13).
(3) Push down the forked lever (17) with your hand and hold it in its lowest position.
(4) Release the forked lever (17):
Subtask 27-23-17-420-050-A ** ON A/C NOT FOR ALL (1) Put the artificial feel unit (4) in its installation position.
(2) Temporarily install the bolt (9), the bushes (10),(32), the washers (12),(33) and the nut (13).
(3) Push down the forked lever (17) with your hand and hold it in its lowest position.
(4) Release the forked lever (17):
- the forked lever (17) must come fully up with free movement.
NOTE: If the forked lever (17) does not come fully up with free movement, then you must do the applicable Airbus Service Bulletin (Ref. SB No. A320-27-1130).
(5) Remove the nut (13), the washers (12),(33), the bushes (10),(32) and the bolt (9). C. Installation of the Artificial-Feel Unlocking-Solenoid 16CA
(1) Install the eye-end (18) on the screw spindle (21) of the solenoid 16CA (3) as follows:
(b) Put a new AIPC 27-23-41-01-160 SHIM WASHER (19) on the screw spindle (21).
(c) Install the eye-end (18) on the screw spindle (21). Do not tighten the eye-end (18).
(d) Turn the eye-end (18) in the clockwise direction until it touches the shim washer (19).
(2) Install the solenoid 16CA (3) on the artificial feel unit (4).
(a) Put the interface of the bracket (24) in position at the artificial feel unit (4).
(b) Support the solenoid (3) and install the screws (22) and the washers (23).
(c) Do not fully tighten the screws (22) at this time.
(d) Align the bolt hole in the eye-end (18) with the bolt hole in the forked lever (17).
(e) If the bolt holes do not align, you must decrease the shim washer (19) or replace it as necessary.
(f) Adjust the eye-end (18) on the screw spindle (21) as necessary.
(h) Install the bush (16) in the forked lever (17) of the artificial feel unit (4).
(i) Put the bolt (15) through the connection of the forked lever (17) and the eye-end (18). Do not install the washer (28) and the nut (29) at this time.
(j) Safety the eye-end (18) with the securing plate (20).
(k) Fully tighten the screws (22).
(l) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) at the heads of the screws (22).
(3) Connect the forked lever (17) of the artificial feel unit (4) to the solenoid 16CA (3) as follows:
(a) Install the washer (28) and the nut (29) on the bolt (15).
(b) Safety the nut (29) with a new AIPC 27-23-41-01-080 COTTER PIN (30).
(c) Apply a thin layer of the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interface of the artificial feel unit (4) at the shaft (31).
(4) Install the cover (6) on the artificial feel unit (4) as follows:
(a) Put the cover (6) over the shaft (31) in its correct position it on the artificial feel unit (4).
(b) Install the screws (7) and the washers (8) in the cover (6).
(c) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the heads of the screws (7).
(5) Connect the lever arm (11) to the artificial feel unit (4) as follows:
(a) Install the bush (10) in the lever arm (11).
(b) Move the artificial feel unit (4) at the universal joint (5). Put the shaft (31) in position at the lever arm (11).
(c) Support the artificial feel unit (4).
(d) Align the bolt hole in the lever arm (11) with the bolt hole in the shaft (31).
(e) Install the bolt (9), the washers (12),(33), the bush (32) and the nut (13).
(f) Tighten the nut (13).
(g) Safety the nut (13) with a new AIPC 27-23-04-02-080 COTTER PIN (14) or AIPC 27-23-84-02-080 COTTER PIN (14).
(6) Remove the blanking caps and connect the electrical connector (26) to the receptacle (25) of the solenoid 16CA (3).
(7) Make sure that the cable of the electrical connector (26) does not rub on the spar box of the vertical stabilizer (1).
Subtask 27-23-17-420-050-B ** ON A/C NOT FOR ALL (1) Install the eye-end (18) on the screw spindle (21) of the solenoid 16CA (3) as follows:
CAUTION:
BE CAREFUL WHEN YOU INSTALL THE PARTS THAT FOLLOW:
(a) Put a new AIPC 27-23-41-01-150 SECURING PLATE (20) on the screw spindle (21). - THE EYE END
- THE SHIM WASHER
- THE SECURING PLATE
- THE SCREW SPINDLE.
(b) Put a new AIPC 27-23-41-01-160 SHIM WASHER (19) on the screw spindle (21).
(c) Install the eye-end (18) on the screw spindle (21). Do not tighten the eye-end (18).
(d) Turn the eye-end (18) in the clockwise direction until it touches the shim washer (19).
(2) Install the solenoid 16CA (3) on the artificial feel unit (4).
(a) Put the interface of the bracket (24) in position at the artificial feel unit (4).
(b) Support the solenoid (3) and install the screws (22) and the washers (23).
(c) Do not fully tighten the screws (22) at this time.
(d) Align the bolt hole in the eye-end (18) with the bolt hole in the forked lever (17).
(e) If the bolt holes do not align, you must decrease the shim washer (19) or replace it as necessary.
(f) Adjust the eye-end (18) on the screw spindle (21) as necessary.
NOTE: Do not let the screw spindle (21) turn during the installation of the solenoid (3).
(g) Do a check and make sure that the eye-end (18) is parallel to the forked lever (17) and not twisted. (h) Install the bush (16) in the forked lever (17) of the artificial feel unit (4).
(i) Put the bolt (15) through the connection of the forked lever (17) and the eye-end (18). Do not install the washer (28) and the nut (29) at this time.
(j) Safety the eye-end (18) with the securing plate (20).
(k) Fully tighten the screws (22).
(l) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) at the heads of the screws (22).
(3) Connect the forked lever (17) of the artificial feel unit (4) to the solenoid 16CA (3) as follows:
(a) Install the washer (28) and the nut (29) on the bolt (15).
(b) Safety the nut (29) with a new AIPC 27-23-41-01-080 COTTER PIN (30).
(c) Apply a thin layer of the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interface of the artificial feel unit (4) at the shaft (31).
(4) Install the cover (6) on the artificial feel unit (4) as follows:
(a) Put the cover (6) over the shaft (31) in its correct position it on the artificial feel unit (4).
(b) Install the screws (7) and the washers (8) in the cover (6).
(c) Apply the Corrosion Preventive Compound-Heavy Duty Soft Film - (Material No.12ACC1) to the heads of the screws (7).
(5) Connect the lever arm (11) to the artificial feel unit (4) as follows:
(a) Install the bush (10) in the lever arm (11).
(b) Move the artificial feel unit (4) at the universal joint (5). Put the shaft (31) in position at the lever arm (11).
(c) Support the artificial feel unit (4).
(d) Align the bolt hole in the lever arm (11) with the bolt hole in the shaft (31).
(e) Install the bolt (9), the washers (12),(33), the bush (32) and the nut (13).
(f) Tighten the nut (13).
(g) Safety the nut (13) with a new AIPC 27-23-04-02-080 COTTER PIN (14) or AIPC 27-23-84-02-080 COTTER PIN (14).
(6) Remove the blanking caps and connect the electrical connector (26) to the receptacle (25) of the solenoid 16CA (3).
(7) Make sure that the cable of the electrical connector (26) does not rub on the spar box of the vertical stabilizer (1).
C. Installation of the Artificial-Feel Unlocking-Solenoid 16CA
(1) Install the eye-end (18) on the screw spindle (21) of the solenoid 16CA (3) as follows:
(b) Put a new AIPC 27-23-41-01-160 SHIM WASHER (19) on the screw spindle (21).
(c) Install the eye-end (18) on the screw spindle (21). Do not tighten the eye-end (18).
(d) Turn the eye-end (18) in the clockwise direction until it touches the shim washer (19).
(2) Install the solenoid 16CA (3) on the artificial feel unit (4).
(a) Put the interface of the bracket (24) in position at the artificial feel unit (4).
(b) Support the solenoid (3) and install the screws (22) and the washers (23).
(c) Do not fully tighten the screws (22) at this time.
(d) Align the bolt hole in the eye-end (18) with the bolt hole in the forked lever (17).
(e) If the bolt holes do not align, you must decrease the shim washer (19) or replace it as necessary.
(f) Adjust the eye-end (18) on the screw spindle (21) as necessary.
(h) Install the bush (16) in the forked lever (17) of the artificial feel unit (4).
(i) Put the bolt (15) through the connection of the forked lever (17) and the eye-end (18). Do not install the washer (28) and the nut (29) at this time.
(j) Safety the eye-end (18) with the securing plate (20).
(k) Fully tighten the screws (22).
(l) Apply the Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) at the heads of the screws (22).
(3) Connect the forked lever (17) of the artificial feel unit (4) to the solenoid 16CA (3) as follows:
(a) Install the washer (28) and the nut (29) on the bolt (15).
(b) Safety the nut (29) with a new AIPC 27-23-41-01-080 COTTER PIN (30).
(c) Apply a thin layer of the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interface of the artificial feel unit (4) at the shaft (31).
(4) Install the cover (6) on the artificial feel unit (4) as follows:
(a) Put the cover (6) over the shaft (31) in its correct position on the artificial feel unit (4).
(b) Install the screws (7) and the washers (8) in the cover (6).
(c) Apply the Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the heads of the screws (7).
(5) Connect the lever arm (11) to the artificial feel unit (4).
(a) Install the bush (10) in the lever arm (11).
(b) Move the artificial feel unit (4) at the universal joint (5). Put the shaft (31) in position at the lever arm (11).
(c) Support the artificial feel unit (4).
(d) Align the bolt hole in the lever arm (11) with the bolt hole in the shaft (31).
(e) Install the bolt (9), the washer (12) and the nut (13).
(f) Tighten the nut (13).
(g) Safety the nut (13) with a new AIPC 27-23-04-02-080 COTTER PIN (14).
(6) Remove the blanking caps and connect the electrical connector (26) to the receptacle (25) of the solenoid 16CA (3).
(7) Make sure that the cable of the electrical connector (26) does not rub on the spar box of the vertical stabilizer (1).
Subtask 27-23-17-080-050-A (1) Install the eye-end (18) on the screw spindle (21) of the solenoid 16CA (3) as follows:
CAUTION:
BE CAREFUL WHEN YOU INSTALL THE PARTS THAT FOLLOW:
(a) Put a new AIPC 27-23-41-01-150 SECURING PLATE (20) on the screw spindle (21). - THE EYE END
- THE SHIM WASHER
- THE SECURING PLATE
- THE SCREW SPINDLE.
(b) Put a new AIPC 27-23-41-01-160 SHIM WASHER (19) on the screw spindle (21).
(c) Install the eye-end (18) on the screw spindle (21). Do not tighten the eye-end (18).
(d) Turn the eye-end (18) in the clockwise direction until it touches the shim washer (19).
(2) Install the solenoid 16CA (3) on the artificial feel unit (4).
(a) Put the interface of the bracket (24) in position at the artificial feel unit (4).
(b) Support the solenoid (3) and install the screws (22) and the washers (23).
(c) Do not fully tighten the screws (22) at this time.
(d) Align the bolt hole in the eye-end (18) with the bolt hole in the forked lever (17).
(e) If the bolt holes do not align, you must decrease the shim washer (19) or replace it as necessary.
(f) Adjust the eye-end (18) on the screw spindle (21) as necessary.
NOTE: Do not let the screw spindle (21) turn during the installation of the solenoid (3).
(g) Do a check and make sure that the eye-end (18) is parallel to the forked lever (17) and not twisted. (h) Install the bush (16) in the forked lever (17) of the artificial feel unit (4).
(i) Put the bolt (15) through the connection of the forked lever (17) and the eye-end (18). Do not install the washer (28) and the nut (29) at this time.
(j) Safety the eye-end (18) with the securing plate (20).
(k) Fully tighten the screws (22).
(l) Apply the Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) at the heads of the screws (22).
(3) Connect the forked lever (17) of the artificial feel unit (4) to the solenoid 16CA (3) as follows:
(a) Install the washer (28) and the nut (29) on the bolt (15).
(b) Safety the nut (29) with a new AIPC 27-23-41-01-080 COTTER PIN (30).
(c) Apply a thin layer of the Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) to the interface of the artificial feel unit (4) at the shaft (31).
(4) Install the cover (6) on the artificial feel unit (4) as follows:
(a) Put the cover (6) over the shaft (31) in its correct position on the artificial feel unit (4).
(b) Install the screws (7) and the washers (8) in the cover (6).
(c) Apply the Corrosion Preventive Compound-Heavy Duty Hard Film - (Material No.12ACB1) to the heads of the screws (7).
(5) Connect the lever arm (11) to the artificial feel unit (4).
(a) Install the bush (10) in the lever arm (11).
(b) Move the artificial feel unit (4) at the universal joint (5). Put the shaft (31) in position at the lever arm (11).
(c) Support the artificial feel unit (4).
(d) Align the bolt hole in the lever arm (11) with the bolt hole in the shaft (31).
(e) Install the bolt (9), the washer (12) and the nut (13).
(f) Tighten the nut (13).
(g) Safety the nut (13) with a new AIPC 27-23-04-02-080 COTTER PIN (14).
(6) Remove the blanking caps and connect the electrical connector (26) to the receptacle (25) of the solenoid 16CA (3).
(7) Make sure that the cable of the electrical connector (26) does not rub on the spar box of the vertical stabilizer (1).
D. Removal of the Rigging Pins
(1) Remove the 98D27207547000 PIN-RIGGING (51) from the rudder cable quadrant.
(2) Remove the 98D27207548000 PIN-RIGGING (50) from the mixer of the artificial feel unit.
Subtask 27-23-17-865-051-A (1) Remove the 98D27207547000 PIN-RIGGING (51) from the rudder cable quadrant.
(2) Remove the 98D27207548000 PIN-RIGGING (50) from the mixer of the artificial feel unit.
E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 27-23-17-860-053-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | B04 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | B03 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | H10 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | H09 |
| ** ON A/C ALL | |||
| 121VU | AUTO FLT/RUDDER/TRIM/IND | 15CC | M20 |
| 121VU | AUTO FLT/FAC2/28VDC | 5CC2 | M19 |
| 121VU | AUTO FLT/FAC2/26VAC | 14CC2 | M18 |
F. Preparation for the Test
(1) On the overhead panel 23VU, push the FLT CTL/FAC 1 pushbutton switch and the OFF legend goes off.
(2) On the overhead panel 24VU, push the FLT CTL/FAC 2 pushbutton switch and the OFF legend goes off.
Subtask 27-23-17-710-050-A (1) On the overhead panel 23VU, push the FLT CTL/FAC 1 pushbutton switch and the OFF legend goes off.
(2) On the overhead panel 24VU, push the FLT CTL/FAC 2 pushbutton switch and the OFF legend goes off.
G. Do an operational test of the artificial feel loads of the rudder (Ref. AMM TASK 27-23-00-710-001).
5. Close-upSubtask 27-23-17-410-050-B
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access panel 325BL at the trailing edge of the vertical stabilizer (Ref. AMM TASK 55-33-13-410-002).
(3) Install the rudder fairing 325AL (Ref. AMM TASK 53-55-12-400-001).
(4) Close the access door 312AR.
(5) Remove the WARNING NOTICE(S).
(6) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access panel 325BL at the trailing edge of the vertical stabilizer (Ref. AMM TASK 55-33-13-410-002).
(3) Install the rudder fairing 325AL (Ref. AMM TASK 53-55-12-400-001).
(4) Close the access door 312AR.
(5) Remove the WARNING NOTICE(S).
(6) Remove the access platform(s).
Artificial Feel Unlocking Solenoid 16CA