NOTE : The two THS actuator motors (2) are the same. The removal of one
____
of the motors (2) only is given.
(1) Remove the THS actuator motor (2) from the THS casing as follows: R R (a) Remove the screws (7) and the washers (8) from the motor (2).
R (b) Remove the motor (2) from the splined shaft (20). NOTE : Carefully disengage the motor (2) from the spacer tube
____
assemblies (3),(4),(5).
(2)
Remove the spacer tube assembly (4) from the THS casing as follows:
(a)
Disengage the spacer tube assembly (4) from the valve block unit (6).
(b)
Remove and discard the O-rings (14) from the spacer tube (15).
(3)
Remove the spacer tube assembly (5) from the THS casing as follows:
(a)
Remove the expansion plug (18) from the spacer tube (19).
(b)
Disengage the spacer tube (19) from the valve block unit (6).
(c)
Remove and discard the back-up rings (16) and the O-rings (17) from the ends of the spacer tube (19).
(4) Remove the spacer tube assembly (3) from the THS casing as follows:
(a) Remove the expansion plug (12) from the spacer tube (13).
(b) Disengage the spacer tube (13) from the valve block unit (6).
(c) Remove and discard the back-up rings (10) and the O-rings (11)
from the ends of the spacer tube (13).
R (5) Put a PLUG - BLANKING in each open port of the valve block unit (6).
R (6) Put a CAP - BLANKING on each end of the spacer tubes (13),(15),(19).
TASK 27-44-53-400-001
Installation of the THS Actuator Motor
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL MATERIALS
_______
ONLY WITH A GOOD SUPPLY OF AIR.
OBEY THE MANUFACTURERS INSTRUCTIONS.
PUT ON PROTECTIVE CLOTHING.
DO NOT GET THEM IN YOUR MOUTH.
DO NOT SMOKE.
DO NOT BREATHE THE GAS.
THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT.
GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
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 : PRESSURIZE ONLY THE HYDRAULIC SYSTEM(S) THAT IS (ARE) NECESSARY FOR
_______ THE TASK. ISOLATE THE OTHER HYDRAULIC SYSTEM(S) BEFORE YOU SUPPLY HYDRAULIC POWER TO THE AIRCRAFT.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notices
No specific access platform 5.5 m (18 ft. 1 in.) R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
0U145413 1 CONE - MOUNTING, THS ACTUATOR
0U145414 1 RING - SHRINKING, THS ACTUATOR
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 04-015 USA BAC 5001 DACO-5073 GREASE (Ref. 20-31-00) Material No. 11-002 USA MIL-PRF-680 DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT) (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
10 back-up rings 27-44-51 03 -040 11 O-rings 27-44-51 03 -030 14 O-rings 27-44-51 03 -100 16 back-up rings 27-44-51 03 -080 17 O-rings 27-44-51 03 -070
D. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
12-13-27-612-001 Oil Replenishment of the THS Actuator (9CE) 27-41-00-720-001 Functional Test of the THS-Actuator Overtravel Related to the Mechanical Indicator 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action
29-00-00-910-002 Safety Procedures of the Hydraulic System
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs
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