R  APU Compartment Overpressure Release Door Figure 401/TASK 52-92-11-991-001
 1EFF : 1 1 1CES  ALL  1 111 52-92-11 Page 403 Aug 01/00

R  (b) Remove and discard the cotter pin (10) from the pin (4) and 
R  collect the washer (11). 
R  (c) Remove the pin (4) from fuselage bracket (17) and disassemble the 
R  spring fitting (16). 
R 
R  (d) Remove and discard the cotter pin (15) from the pin (5) and 
R  collect the washer (14). 
R  (e) Remove the pin (5) from the spring fitting (16) and disassemble 
R  the connection link (13). 
R  (6) If necessary, disassemble the springs (6) from the the spring 
R  retainer (3) and the spring fitting (16). 
R

 1EFF : ALL 1 52-92-11Page 404 1 1 Aug 01/00 1 1 1CES 1

 TASK 52-92-11-400-001
 Installation of the APU Compartment Overpressure Release Door

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific spring scale with a range up to 12.5 daN (28.101 lbf)
 B. Consumable Materials
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
Material No. 05-027 USA MIL-L-81309 R RUST INHIBITOR(FOR CORROSION USE 15-004) R (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
 -------------------------------------------------------------------------------
9 cotter pin 52-92-04 01 -060 10 cotter pin 52-92-04 01 -060 15 cotter pin 52-92-04 01 -060
 1EFF : ALL 1 52-92-11Page 405 1 1 May 01/02 1 1 1CES 1 D. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-28-00-912-004  Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage
R and in the Wings (this does not include the tanks)-51-75-13-916-001 Repair to a layer of Moisture-Removing Oil 52-41-00-410-001 Close the APU Doors after Access 52-92-11-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 52-92-11-860-051
 A. Aircraft Maintenance Configuration
 Subtask 52-92-11-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
 Subtask 52-92-11-910-050
 C. Preparation for Installation
 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.
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Do an inspection of the component interface and/or the adjacent area.

 1EFF : ALL 1 52-92-11Page 406 1 1 Nov 01/03 1 1 1CES 1

 (3)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 (4)
 Assemble the spring linkage as follows:

 (a)
 Put the connection link (13) into the spring fitting (16) and connect them with the pin (5).

 (b)
 Safety the pin (5) with the washer (14) and the new cotter pin (15).

 (c)
 Assemble the springs (6) on the spring fitting (16) and the spring retainer (3).

 4. Procedure
_________
 (Ref. Fig. 401/TASK 52-92-11-991-001) Subtask 52-92-11-420-050
 A. Installation of the Overpressure Release Door
 (1)
 Install the overpressure release door (18) on the fuselage as follows:

 (a)
　
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