-COMPONENTS THAT MOVE.
1. Reason for the Job
__________________
Refer to the MPD TASK: 274451-02
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
R No specific 1 ACCESS PLATFORM 5M (16 FT) No specific 1 WARNING NOTICE
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-004A
1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
(Ref. 20-31-00)
C. Referenced Information
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REFERENCE DESIGNATION
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12-13-27-612-001 Oil Replenishment of the THS Actuator (9CE) 27-44-51-000-001 Removal of the Trimmable Horizontal Stabilizer (THS) Actuator (9CE) 27-44-51-400-001 Installation of the Trimmable Horizontal Stabilizer (THS) Actuator (9CE) 27-44-56-000-001 Removal of the Position Transducer from the THS Actuator 9CE 27-44-56-400-001 Installation of the Position Transducer to the THS Actuator 9CE 27-44-57-000-001 Removal of the Pitch Trim Actuator from the THS Actuator 9CE 27-44-57-400-001 Installation of the Pitch Trim Actuator to the THS Actuator 9CE 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
29-23-00-863-001 Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
29-23-00-863-002 Pressurize the Yellow Hydraulic System from the Green Hydraulic System through the PTU with the Ground Service Cart
27-44-51-991-012 Fig. 605
3. Job Set-up
__________
Subtask 27-44-51-941-072
A. Aircraft Maintenance Configuration
R (1) Put the WARNING NOTICE in the flight compartment to tell persons not R to operate the pitch controls.
R (2) Put the ACCESS PLATFORM 5M (16 FT) in position.
Subtask 27-44-51-010-059
B. Open the access door 312AR.
4. Procedure_________
(Ref. Fig. 605/TASK 27-44-51-991-012)
Subtask 27-44-51-210-057
R A. Do a check of the oil level of the THS-actuator gearbox
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
R R (1) Pressurize the Green and the Yellow hydraulic systems (Ref. TASK 29-23-00-863-001) and (Ref. TASK 29-23-00-863-002).
(2) For the correct check of the oil level it is necessary to do the subsequent steps:
R R (a) Turn the pitch-trim control wheel in the flight compartment and move the THS-actuator a minimum of three times from the fully UP position to the fully DOWN position.
(b) Turn the pitch-trim control wheel in the flight compartment and move the THS-actuator to the zero position.
(3) Depressurize the Green and Yellow hydraulic systems and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
R (4) Put the WARNING NOTICE in position to tell persons not to pressurize the Green, the Yellow and the Blue hydraulic systems: - in the cockpit on the hydraulic section 40VU of the overhead panel - on the ground service panels of the Green, the Yellow and the Blue hydraulic systems.
(5) On the tail cone, make sure that the THS is opposite the 0 mark.
(6) Make sure that the aircraft is in a horizontal position.
R (7) Clean the sight glass
R R R WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE_______ THIS/THESE MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
R
THS Actuator 9CE - Gearbox Oil-Sight-Level Figure 605/TASK 27-44-51-991-012
R 1EFF : 1 1 1CES ALL 1 111 27-44-51 Page 626 May 01/04
R R (a) Clean the sight glass (41) and the adjacent area with the CLEANING AGENTS (Material No. 11-004A) and let it dry.
(8) Do a check of the oil level at the oil sight glass (40) at approximately one hour after the last movement of the THS-actuator.
R (a) If the oil level is between the minimum and the maximum marks: - fill the gearbox to the maximum mark (Ref. TASK 12-13-27-612-001) - do a check of the oil level at the next C-check again.
R R R R R R NOTE : If the actuator housing temperature is below 10 deg.C____ (50.00 deg.F): we recommend that you fill the gearbox to a level of 1.5 mm (0.0590 in.) below the maximum mark. If the actuator housing temperature is above 30 deg.C (86.00 deg.F): we recommend that you fill the gearbox to a level of 1.5 mm (0.0590 in.) above the maximum mark.
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