(2)
Remove the surface protection (alodine paint, etc) from the contact zone with abrasive paper glass type 1 or grade 200 emery cloth. The cleaned areas must be such that after assembly they give a zone between 1 mm (0.0393 in.) to 4 mm (0.1574 in.) around the contact faces.
NOTE : You can bond all the cadmium plated, steel or conductive parts
____ without removal of the surface protection and without application of sealant (this does not include the tank).
Subtask 20-28-00-916-091
C. Temporary Protection of the Contact Areas
(1) If you cannoy make the connection in less than 1/4 hour apply COMMON GREASE (Material No. 04-012) on the surface without a surface protection. Before the connection clean with a MISCELLANEOUS (Material No. 19-003) moist with CLEANING AGENTS (Material No. 11-004).
Subtask 20-28-00-110-094
D. Cleaning of the Contact Areas
(1) Remove any contamination from the contact areas with a lint free cloth moist with CLEANING AGENTS (Material No. 11-004).
4. Procedure
_________
Subtask 20-28-00-912-067
A. Bonding
(Ref. Fig. 203/TASK 20-28-00-991-022)
(1) Install the electrical connectors to the structure with the equipment and the attachments.
Subtask 20-28-00-914-052
B. Protection of the Bonding
(1)
For the removable connectors in the wing:
(a) Apply SEALANTS (Material No. 09-014).
(2)
For the non-removable or not frequently removed connectors in the wing (not in the tanks):
(a) Apply SEALANTS (Material No. 09-020).
(3)
For the connectors in the fuselage:
R (a) Apply PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. R 07-001).
Bonding of Electrical Connectors
Figure 203/TASK 20-28-00-991-022
1EFF : ALL 1 20-28-00 Page 214
1 1 Feb 01/98
1 1
1CES 1
(4) Make sure that the surfaces without protection are fully sealed.
NOTE : For the flanged connectors, seal the back face on the
____ fasteners on the two sides and around the connector on the face opposite the flange. This includes the surface without protection.
NOTE : For the jam nut connectors seal the surface without
____ protection, the jam nut and the back face.
Subtask 20-28-00-720-088
C. Make sure that the ohmic resistance is correct (Ref. TASK 20-28-00-869-002).
5. Close-up
________ Subtask 20-28-00-942-104
A. Make sure that the work area is clean and clear of tool(s) and other items.
TASK 20-28-00-912-004
Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not include the tanks)-
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. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific abrasive paper glass type 1 No specific grade 200 emery cloth R No specific lint-free cloth
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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