W DOC AIRBUS | AMM A320F

Removal of the Oil Filler Plug and/or the Oil Drain Plug from the THS Actuator

TASK 27-44-51-000-002-A
Removal of the Oil Filler Plug and/or the Oil Drain Plug from the THS Actuator

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.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
ZONE: 310
FIN: 9CE
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific
1
CAP - BLANKING
No specific
1
COVER - BLANKING, HYDRAULIC RESISTANT
No specific
AR
WARNING NOTICE(S)
0U190364
1
OIL DRAINING TOOL
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
310
FUSLG TAIL SECTION AFT OF AFT PRESS BHD
312AR
 C. Referenced Information
REFERENCE
DESIGNATION
F Oil Filler Plug and Oil Drain Plug
3. Job Set-up
Subtask 27-44-51-010-051-A
A. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position.
   (2) Open the access door 312AR.
Subtask 27-44-51-941-057-A
B. Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the pitch controls.
4. Procedure
Subtask 27-44-51-020-052-A
A. Removal of the Oil Filler Plug and/or the Oil Drain Plug
   (1) Removal of the oil filler plug (81).
     (a) Disconnect the breather cap (80) from the oil filler plug (81).
     (b) Remove the lockwire from the oil filler plug:
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
       1 Remove and discard the lockwire from the oil filler plug (81).
     (c) Remove the oil filler plug (81) from the adaptor (83).
     (d) Remove and discard the O-ring (82) from the oil filler plug (81).
NOTE: Do not remove the adaptor (83) from the Trimmable Horizontal Stabilizer (THS) actuator (1) unless a repair or a new installation is necessary.
     (e) Put a CAP - BLANKING on the adaptor (83).
   (2) Removal of the oil drain plug (86).
     (a) Put a WARNING NOTICE(S) in position below the THS actuator (1).
     (b) Remove the protective cap (84) with the magnetic chip detector (85) from the oil drain plug (86).
     (c) Install the 0U190364 OIL DRAINING TOOL.
     (d) Drain the oil from the THS actuator (1) into the drainage container.
     (e) Remove the 0U190364 OIL DRAINING TOOL.
     (f) Remove the lockwire from the oil drain plug:
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
       1 Remove and discard the lockwire from the oil drain plug (86).
     (g) Remove the oil drain plug (86).
     (h) Remove and discard the O-ring (87) from the oil drain plug (86).
     (i) Put a COVER - BLANKING, HYDRAULIC RESISTANT in the opening for the oil drain plug (86) in the THS actuator (1).
[Rev.10 from 2021] 2026.03.31 23:51:14 UTC
"Aviabrain" 2025