B. Consumable Materials
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REFERENCE DESIGNATION
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Material No. 05-005 USA MIL-C-16173 GRADE II
CORROSION PREVENTIVE (Ref. 20-31-00)
Material No. 05-027 USA MIL-L-81309
RUST INHIBITOR(FOR CORROSION USE 15-004)
(Ref. 20-31-00)
Material No. 11-001 USA MIL-D-16791 TYPE I
DETERGENT (Ref. 20-31-00)
R Material No. 19-003 USA AMS 3819
R LINT-FREE COTTON CLOTH (Ref. 20-31-00)
C. Referenced Information
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REFERENCE DESIGNATION
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51-74-11-300-001 Repair of Corroded Areas 51-75-12-300-003 Repair of Minor Paint Damage (Topcoat Only) 51-75-13-916-001 Repair to a layer of Moisture-Removing Oil 51-75-13-916-002 Repair to a layer of Corrosion Preventive Compound
3. Job Set-up
__________
Subtask 51-78-00-865-050
A. Open, safety and tag the circuit breakers of all electrical components and systems in the work area.
Subtask 51-78-00-010-050
B. Get Access
(1)
Get access to the area of the leakage.
(2)
Remove components from the area you will clean to prevent contamination from water and/or cleaning agents.
NOTE : Make sure that all electrical outlets are covered to protect
____
them from water.
4. Procedure
_________
Subtask 51-78-00-110-050
A. Cleaning Procedure
R R CAUTION : DO NOT USE A METAL SCRAPER TO REMOVE THE UNWANTED MATERIAL. A_______ METAL SCRAPER CAN CAUSE DAMAGE TO THE SURFACE OF THE COMPONENT.
R R (1) Remove the loose materials with a SCRAPER - NON METALLIC, a VACUUM EQUIPMENT 0 TO 0.4 BAR (6 PSI), or a BRUSH - NON METALLIC.
(2) Flush the area with clean water.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE_______ SPECIAL MATERIAL. THIS MATERIAL IS DANGEROUS.
R R (3) Mix water and 10 % of the bicarbonate of soda or the CLEANING AGENTS (Material No. 11-001) to make a cleaning solution.
R R (4) Clean the area with the cleaning solution and a lint-free cloth MISCELLANEOUS (Material No. 19-003).
(5) Flush the area with clean water.
(6) Prepare one of the cleaning solutions that follow: - mix water with 5 % potassium bichromate and 0.5 % of the CLEANING AGENTS (Material No. 11-001) or - mix water with 0.5 % of the CLEANING AGENTS (Material No. 11-001).
R R (7) Clean the area with the cleaning solution and a lint-free cloth MISCELLANEOUS (Material No. 19-003).
(8) Flush the area with clean water.
R (9) Dry the area with a HOT AIR BLOWER OPERATING 40 DEG C (100 DEG F).
(10) If necessary, repair corrosion damage (Ref. TASK 51-74-11-300-001).
(11) If necessary, repair the paint layers (Ref. TASK 51-75-12-300-003).
R R (12) If necessary, apply a layer of the SPECIAL MATERIALS (Material No. 05-027) to the area (Ref. TASK 51-75-13-916-001).
R (13) If necessary, apply a layer of the SPECIAL MATERIALS (Material No. R 05-005) to the area (Ref. TASK 51-75-13-916-002).
5. Close-up
________
Subtask 51-78-00-410-050
A. Close Access
(1)
Install all the components that were removed for the cleaning task.
(2)
Remove the safety clips(s) and the tag(s) and close the circuit breaker(s) of all the electrical components and systems in the work area.
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
TASK 51-78-00-615-002
Aircraft Cleaning after a Hydraulic Fluid Leakage
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL MATERIALS
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