-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-23-47-000-004 Removal of the Door Frame Linings of the LH FWD
Emergency Exit Door, zone 231
25-23-47-000-009 Removal of the Door Frame Linings of the RH FWD
Emergency Exit Door, zone 232
25-23-47-000-010 Removal of the Door Frame Linings of the LH/RH AFT
Emergency Exit Doors, zones 251/252.
52-22-00-010-001 Opening of the Emergency Exit Doors from the
Passenger Compartment
52-22-00-410-001 Closing of the Emergency Exit Doors from the
Passenger Compartment
52-22-00-820-002 Adjustment of the Emergency Exit Door
52-22-00-860-003 Special Precaution before Maintenance on the Door
Damper and Emergency Operation Cylinder
52-22-00-860-004 Special Precaution after Maintenance on the Door
Damper and Emergency Operation Cylinder
52-22-12-400-004 Installation of the Guide Arm Assy
52-22-31-991-003 Fig. 406
3. Job Set-up__________
Subtask 52-22-31-860-052
A. Aircraft Maintenance Configuration
(1)
Make sure that the applicable emergency exit door (referred to as door) is opened as required (Ref. TASK 52-22-00-010-001).
(2)
Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. TASK 52-22-00-860-003).
(3)
Make sure that the access platform is in position below the partly opened door.
(4)
Make sure that the applicable door frame linning is removed as required (Ref. TASK 25-23-47-000-004), (Ref. TASK 25-23-47-000-009) or (Ref. TASK 25-23-47-000-010).
(5)
Make sure that the insulation blakets are removed as required.
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4. Procedure
_________ Subtask 52-22-31-910-052
A. Preparation for Installation
(Ref. Fig. 406/TASK 52-22-31-991-003)
(1) Remove the old sealant from the hinge fittings (54) and (59), the serrated plates (52), (53), (57) and (58) and the door frame
NOTE : Use a wooden or plastic scraper.
____
(2)
Clean the component interface and/or the adjacent area.
(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Apply a layer of SEALANTS (Material No. 09-016) to the mating surface of the bolts (56) and the nuts (51).
Subtask 52-22-31-420-052
B. Installation of the Guide-Arm Attachment Fittings
(Ref. Fig. 406/TASK 52-22-31-991-003)
(1) Install the guide-arm hinge fitting (54) (referred to as hinge fitting) as follows:
(a) Put the hinge fitting (54) and the serrated plates (52) and (53) in position at the filler plates of the door frame.
NOTE : Make sure that their identification notches align.
____
(b) Install the bolts (56), the washers (55) and the nuts (51).
(2) Install the guide-arm hinge fitting (59) (referred to as hinge fitting) as follows:
(a) Put the hinge fitting (59) and the serrated plates (58) and (57) in position at the filler plates of the door frame.
NOTE : Make sure that their identification notches align.
____
(b) Install the bolts (56), the washers (55) and the nuts (51).
(3) Install the guide arm on the applicable hinge fitting (54) or (59) (Ref. TASK 52-22-12-400-004).
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C. Adjust the parallel motion of the emergency exit door (Ref. TASK 52-22-00-820-002).
5. Close-up
________ Subtask 52-22-31-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Apply a layer of SEALANTS (Material No. 09-013) around the edges of the hinge fittings (54) and (59).
(3)
Apply a layer of STRUCTURE PAINTS (Material No. 16-006) and STRUCTURE PAINTS (Material No. 16-002) to the nuts (56) and the bolts (59).
(4)
Put the removed insulation blankets on the door frame and attach them with the VELCRO tapes.
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