53-12-12Page 416
R **ON A/C ALL
3. Job Set-up__________
Subtask 53-12-12-869-050
A. Aircraft Maintenance Configuration
(1) Make sure that the access platform is in position.
(2) Make sure that the FWD passenger/crew door 831 (841) is in the open position (Ref. TASK 52-10-00-010-001).
Subtask 53-12-12-160-050
B. Clean Component Interface and/or Adjacent Area
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 : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE SPECIAL_______ MATERIAL. THIS MATERIAL IS DANGEROUS.
R R R (1) Remove the remaining sealant from the floor panels and the component interface with a non metallic scraper. If the sealant is not easy to remove, use CLEANING AGENTS (Material No. 11-003) and a lint-free cloth.
R R (2) Use CLEANING AGENTS (Material No. 11-021) to remove the remaining adhesive from the used strips of adhesive tape.
EFF : ALL
53-12-12Page 417
Subtask 53-12-12-210-050
C. Inspection of the Component
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3) Make sure that the seal is in the correct condition.
Subtask 53-12-12-210-052
D. Inspection of the Adhesive Tapes
(1) Make sure that the adhesive tapes are clean and in the correct condition. If necessary, repair the damaged adhesive tapes (Ref. TASK 53-12-00-300-001).
Subtask 53-12-12-210-054
E. Inspection of the Shims
**ON A/C 001-003, 051-053,
(Ref. Fig. 405/TASK 53-12-12-991-006) R **ON A/C 001-049, 054-099, 101-149, 151-199, 201-299, 301-399, 401-499, Post SB 53-1143 For A/C 001-003, (Ref. Fig. 405A/TASK 53-12-12-991-006-A) **ON A/C ALL
(1) Examine the shims between FR12 and FR24. If the shims are damaged, do the steps that follow:
(a)
Remove the shims with a non metallic scraper.
(b)
Clean the area between the shims and the structure with CLEANING AGENTS (Material No. 11-003) and a MISCELLANEOUS (Material No. 19-003).
EFF : ALL
53-12-12Page 418
R Shims from FR12 thru FR24 Figure 405/TASK 53-12-12-991-006
EFF : 001-003, 051-053, 53-12-12 Page 419 May 01/05
CES
Shims from FR12 thru FR24 Figure 405A/TASK 53-12-12-991-006-A
R EFF : 001-049, 054-099, 101-149, 151-199, 201-299, 301-399, 401-499, 53-12-12 Page 420 Aug 01/05
CES
(c)
Apply BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) on the surface between the shims and the structure.
(d)
Install the shims on the structure.
4. Procedure
_________
Subtask 53-12-12-420-050
A. Preparation before Installation
**ON A/C 001-003,
(Ref. Fig. 402/TASK 53-12-12-991-001-B)
**ON A/C 051-053,
(Ref. Fig. 402A/TASK 53-12-12-991-001-D) R **ON A/C 054-099, 106-149, 155-199, 201-299, 301-399, 401-499,
(Ref. Fig. 402B/TASK 53-12-12-991-001-A)
**ON A/C 001-049, 101-105, 151-154,
Post SB 53-1143 For A/C 001-003,
(Ref. Fig. 402C/TASK 53-12-12-991-001-C)
**ON A/C ALL
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Put the floor panels (2) in position.
**ON A/C 001-003, 051-053,
(Ref. Fig. 403/TASK 53-12-12-991-003)
EFF : ALL
53-12-12Page 421
R **ON A/C 001-049, 054-099, 101-149, 151-199, 201-299, 301-399, 401-499, Post SB 53-1143 For A/C 001-003, (Ref. Fig. 403A/TASK 53-12-12-991-003-A) **ON A/C ALL
(3) Put the floor panels (23) in position.
Subtask 53-12-12-420-053
B. Installation of the Panels from FR12 thru FR24. CAUTION : BEFORE YOU INSTALL THE SCREWS ON THE PANEL, MAKE SURE THAT THE
_______ POSITION OF THE SCREWS IS CORRECT. AN INCORRECT POSITION OF THE SCREWS CAN CAUSE DAMAGE TO THE EQUIPMENT BELOW THE PANEL.
**ON A/C 001-003, 051-053,
(Ref. Fig. 403/TASK 53-12-12-991-003) R **ON A/C 001-049, 054-099, 101-149, 151-199, 201-299, 301-399, 401-499, Post SB 53-1143 For A/C 001-003, (Ref. Fig. 403A/TASK 53-12-12-991-003-A) **ON A/C ALL
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