MIL-STD-2042-2B(SH)
1. SCOPE
METHOD 2I1
BOF CABLE FORMING, ROUTING, AND SHAPING WITHIN TUBE ROUTING BOXES
1.1 Scope. This method describes the procedures for forming, routing and shaping BOF tubes within tube routing boxes.
2. REQUIRED EQUIPMENT AND MATERIALS.
2.1 The equipment and materials in the tables located in the applicable sections of this method shall be used to perform these procedures.
3. PROCEDURES
3.1 Safety summary. The following safety procedures shall be observed:
a. Observe warnings and cautions on equipment and materials.
b. Never look into the end of a BOF tube. Always wear approved safety glasses when handling BOF tubes that may be connected to a pressure source.
3.2 Procedure.
NOTE: To the maximum extent practicable, tube routing boxes should be sized to encourage BOF tube bend diameters greater than 460 mm (18 in). BOF tube bend diameters less than 460 mm (18 in) will negatively impact the blowing distances achievable for 12 and 18-fiber BOF bundles.
NOTE: When the number of tubes in a tube routing box is large to make strict compliance with this procedure impractical, this procedure shall be used as guidance.
3.3 The equipment and materials in table 2I1-I shall be used to perform this procedure.
TABLE 2I1-I. Equipment and materials.
Description |
Quantity |
BOF tubing (8 mm x 6 mm) |
As required |
Straight tube coupler (AA59731-U-8 or AA59731-U-8E) |
As required |
Tee tube coupler (AA59731-T-8 or AA59731-T-8E) |
As required |
Tube cutter |
1 |
Ruler |
1 |
Utility knife |
1 |
Heat shrink tubing (SAE-DTL-23053/5 or equal) |
As required |
Heat gun (Raychem 500B or equal) |
1 |
Tube clip (Sumitomo DETC008 or equal) or small plastic or metal bar |
As required |
Self-clinching straps (SAE AS 23190 or equal) |
As required |
Pressure valve assembly (Connective Solutions FC08B1 or equal) |
1 |
2I1-1 METHOD 2I1
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