Lubrication of Rudder Servocontrol Rod Eye End Bearing
TASK 12-22-27-640-804-A
Lubrication of Rudder Servocontrol Rod Eye End Bearing
Refer to the MPD TASK: 272400-06
LUBRICATION OF RUDDER SERVOCONTROL ROD EYE END BEARING
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 12-22-27-941-065-A
Subtask 12-22-27-640-065-A
Subtask 12-22-27-410-061-A
[Rev.10 from 2021]
2026.03.31 22:56:44 UTC
Lubrication of Rudder Servocontrol Rod Eye End Bearing
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:
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:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 325
1. Reason for the JobRefer to the MPD TASK: 272400-06
LUBRICATION OF RUDDER SERVOCONTROL ROD EYE END BEARING
NOTE: The effectivity of this task is ALL. To know if this task is applicable to your aircraft, refer to the MPD applicability.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE |
| No specific | 1 | GUN - GREASE |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03GBC1) | Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 325 | VERTICAL STABILIZER TRAILING EDGE |
| 325CR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
| 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 |
| TASK 12-22-00-00 | LUBRICATION - DESCRIPTION AND OPERATION |
Subtask 12-22-27-941-065-A
A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put the WARNING NOTICE(S) in position to tell persons not to operate the hydraulic systems.
(3) Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the flight controls.
Subtask 12-22-27-860-055-A (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put the WARNING NOTICE(S) in position to tell persons not to operate the hydraulic systems.
(3) Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the flight controls.
B. 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)
Subtask 12-22-27-865-080-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)
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 12-22-27-010-060-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | B04 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | B03 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| 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 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
D. Get Access
(1) Put the ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE in position at zone 325.
(2) Open the access panel 325CR at the trailing edge of the vertical stabilizer (Ref. AMM TASK 55-33-13-010-002).
4. Procedure(1) Put the ACCESS PLATFORM 10M (33 FT) - ADJUSTABLE in position at zone 325.
(2) Open the access panel 325CR at the trailing edge of the vertical stabilizer (Ref. AMM TASK 55-33-13-010-002).
Subtask 12-22-27-640-065-A
A. Lubrication of Rudder Servocontrol Rod Eye-End Bearing
(1) Clean the grease nipple of the rudder servocontrol rod eye-end bearing with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Use a GUN - GREASE to apply the Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) through the grease nipple until the new grease comes out.
5. Close-up(1) Clean the grease nipple of the rudder servocontrol rod eye-end bearing with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
(2) Use a GUN - GREASE to apply the Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) through the grease nipple until the new grease comes out.
NOTE: For lubricant grease specification and lubricant requirements, refer to (Ref. AMM D/O 12-22-00-00).
(3) Remove the unwanted grease from the grease nipple with a clean Textile-Lint free Cotton - (Material No.14SBA1) . Subtask 12-22-27-410-061-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access panel 325CR at the trailing edge of the vertical stabilizer (Ref. AMM TASK 55-33-13-410-002).
(3) Remove the access platform(s).
Subtask 12-22-27-865-081-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access panel 325CR at the trailing edge of the vertical stabilizer (Ref. AMM TASK 55-33-13-410-002).
(3) Remove the access platform(s).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 12-22-27-942-064-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | B04 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | B03 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| 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 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
C. Removal of the 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.
(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.
Rudder Servocontrol Rod Eye-End Bearing - Lubrication Point