_______ MAKE SURE THAT THE TEMPORARY PROTECTION DOES NOT GET: -ON COMPOSITE PARTS, CONTROL CABLES, PULLEYS,TEFLON BEARINGS. -ON LUBRICATED SURFACES. -IN DRAIN VALVES OR OTHER ORIFICES. TEMPORARY PROTECTION ON OR IN THESE PARTS CAN CAUSE DAMAGE.
(1)
Apply masking tape BONDING AND ADHESIVE COMPOUNDS (Material No. 08-074) or masking paper on the equipment and fittings adjacent to the area.
(2)
Apply a layer of STORAGE PRESERVATION (Material No. 15-005) or STORAGE PRESERVATION (Material No. 15-006) to the inspected area.
(3)
Remove the masking paper or the masking tape.
5. Close-up
________ Subtask 57-10-00-410-073
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the wing-to-fuselage fairings: 191CT, 191LB, 192CT and 192LB (Ref. TASK 53-35-11-400-001).
(3)
Install the quick-release access panels: 191BB, 191EB, 192EB, 192FB, 195BB and 196BB (Ref. TASK 53-35-13-400-002).
(4)
Remove the access platform(s).
(5)
Close the main landing-gear doors (Ref. TASK 32-12-00-410-001).
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TASK 57-10-00-200-020
Detailed Inspection of Center Wing Box, Front Spar, Forward Face
1. Reason for the Job
__________________
Refer to the MPD TASK: 571156-01
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific access platform 2 m (6 ft. 7 in.)
No specific 1 FLASHLIGHT
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
Material No. 11-004 USA MIL-T-81533
1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
(Ref. 20-31-00)
Material No. 19-003 USA AMS 3819
LINT-FREE COTTON CLOTH (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
25-80-00-000-001 Removal of the Insulation Blankets 25-80-00-400-001 Installation of the Insulation Blankets 52-30-00-860-003 Open the FWD or AFT Cargo-Compartment Door with the
Hand Pump 52-30-00-860-004 Close the FWD or AFT Cargo-Compartment Door with the
Hand Pump
SRM 511100-P.Block001
SRM 512200-P.Block001
R 57-10-00-991-020 Fig. 613 3. Job Set-up
__________ Subtask 57-10-00-010-076
A. Get Access
(1)
Put an access platform in position at the FWD cargo-compartment door
825.
(2)
Open the FWD cargo-compartment door 825
(Ref. TASK 52-30-00-860-003).
(3)
Remove the FWD cargo-compartment linings.
(4)
Remove the insulation blankets (Ref. TASK 25-80-00-000-001).
(5) Use a FLASHLIGHT for the inspection. Subtask 57-10-00-110-060
B. Cleaning of the Structure
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 THIS/THESE
_______ MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES, GOGGLES AND A MASK.
(1) Clean the inspection surface with CLEANING AGENTS (Material No. 11-004) and a lint-free cotton cloth MISCELLANEOUS (Material No. 19-003), if necessary.
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4. Procedure
_________
Subtask 57-10-00-220-060
A. Inspection R (Ref. Fig. 613/TASK 57-10-00-991-020)
(1)
Do a detailed inspection of the forward face of the front spar of the center wing box.
(2)
Make sure that there is no:
(a)
Corrosion damage:
-If you find corrosion damage, refer to the Structural Repair Manual (Ref. SRM 512200-P.Block001) for types, inspection, removal and corrosion protection.
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