Lubrication of Trimmable Horizontal Stabilizer Bearings and Attachment Fittings with Grease Mat. No. 04-004 (or Grease Mat. No. 03HBD9)
TASK 12-22-53-640-001-A
Lubrication of Trimmable Horizontal Stabilizer Bearings and Attachment Fittings with Grease Mat. No. 04-004 (or Grease Mat. No. 03HBD9)
Refer to the MPD TASK: 274000-01
LUBRICATE THS BEARINGS AND ATTACHMENT FITTINGS WITH GREASE MAT. NO. 04-004
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 12-22-53-860-050-A
Subtask 12-22-53-640-050-A
Subtask 12-22-53-410-050-A Subtask 12-22-53-942-050-A
[Rev.10 from 2021]
2026.04.01 04:23:16 UTC
Lubrication of Trimmable Horizontal Stabilizer Bearings and Attachment Fittings with Grease Mat. No. 04-004 (or Grease Mat. No. 03HBD9)
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
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:
MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM. UNWANTED MOVEMENT OF HYDRAULICALLY OPERATED ITEMS CAN CAUSE SERIOUS INJURY AND/OR DAMAGE.
WARNING:
MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.
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.
ZONE: 310
1. Reason for the JobRefer to the MPD TASK: 274000-01
LUBRICATE THS BEARINGS AND ATTACHMENT FITTINGS WITH GREASE MAT. NO. 04-004
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.03HBD9) | Synthetic Ester base Grease-General Purpose Low Temp - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 310 | FUSLG TAIL SECTION AFT OF AFT PRESS BHD |
| 314AR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-00-00-080-001-A | Removal of the Pitch-Trim Control Locking Tool (98D27403500000) |
| TASK 27-00-00-480-001-A | Installation of the Pitch-Trim Control Locking Tool (98D27403500000) |
| TASK 29-10-00-864-001-A | Depressurize the Green Hydraulic System |
| TASK 29-10-00-864-002-A | Depressurize the Yellow Hydraulic System |
| TASK 29-10-00-864-003-A | Depressurize the Blue Hydraulic System |
| TASK 52-41-23-010-801-A | Opening of Access Door 314AR |
| TASK 52-41-23-410-801-A | Closing of Access Door 314AR |
Subtask 12-22-53-860-050-A
A. Aircraft Configuration
(1) Make sure that the hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002), (Ref. AMM TASK 29-10-00-864-003).
(2) Install the WARNING NOTICE(S) to prevent pressurization.
(3) Make sure that the pitch-trim control wheels are at zero.
(4) Install the pitch-trim control locking tools on the pitch-trim control wheels (Ref. AMM TASK 27-00-00-480-001)
Subtask 12-22-53-941-050-A (1) Make sure that the hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002), (Ref. AMM TASK 29-10-00-864-003).
(2) Install the WARNING NOTICE(S) to prevent pressurization.
(3) Make sure that the pitch-trim control wheels are at zero.
(4) Install the pitch-trim control locking tools on the pitch-trim control wheels (Ref. AMM TASK 27-00-00-480-001)
B. Get Access
(1) Put an ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at the zone 310.
Subtask 12-22-53-010-050-A (1) Put an ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at the zone 310.
C. Open Access
(1) Put the WARNING NOTICE(S) in position in the cockpit to prevent the operation of the flight controls.
(2) Open access door 314AR (Ref. AMM TASK 52-41-23-010-801).
4. Procedure(1) Put the WARNING NOTICE(S) in position in the cockpit to prevent the operation of the flight controls.
(2) Open access door 314AR (Ref. AMM TASK 52-41-23-010-801).
Subtask 12-22-53-640-050-A
A. Lubricate the attach and hinge fittings with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) .
5. Close-upSubtask 12-22-53-410-050-A Subtask 12-22-53-942-050-A
B. Put the aircraft back to its initial configuration.
(1) Remove the pitch-trim control locking tools from the pitch-trim control wheels (Ref. AMM TASK 27-00-00-080-001)
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the pitch-trim control locking tools from the pitch-trim control wheels (Ref. AMM TASK 27-00-00-080-001)
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Lubrication Points of the Hinge and Attach Fittings of the Horizontal Stabilizer