CORNING OFT-000 Instalacja - Strona 2

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3. Tools and Materials

3.1 The following items are required to operate and/or

change the blades in the OFT-000 Optical Fiber Access

Tool:

• 7/64-inch hex wrench

• Scissors*

• Fiber-Clean

wipes if filling compound is present

• Replacement blades, p/n OFT-001

* Items found in the M67-003 Fusion Splicer Tool Kit

or TKT-005 Sheath Removal Tool Kit.

Buffer Tube Measurement

4.1 This procedure assumes that the cable sheath has

been removed and the buffer tubes exposed. If necessary,

refer to the appropriate Corning Cable Systems cable

stripping procedure for the cable you are installing.

4.2 Separate the buffer tube(s) to be accessed from the

bundle of buffer tubes. Clean the buffer tube with cable

cleaner.

4.3 Table 1 lists standard buffer tubes and the respective

slot of the OFAT tool used to access the fibers inside the

tube.

Tube Outside Diameter

2.4 to 2.6 mm (0.094 to 0.102 in.)

2.7 to 3.1 mm (0.106 to 0.122 in.)

Table 1

4.4 The tool is equipped with a gauge to measure buffer

tubes when the tube size is unknown. This gauge

determines the following:

• If the buffer tube is too small or too large for the tool.

• Which groove (A or B) should be used to cut the

buffer tube.

4.5 To use the buffer tube gauge :

a) Loosen the thumb screw until you can rotate the top

half of the tool 90° to make the gauge accessible.

Tighten the screw back down.

b) Try to fit the buffer tube in the slot marked "X".

If the buffer tube fits, it is too small for the tool.

Note: Do not use force when placing the buffer tube

in the gauge. Excessive force may damage the

buffer tube or the fibers inside.

SRP-004-014

c) If the buffer tube fits in "A", then use groove "A"

when following the instructions in Section 4

(Figure 3).

Figure 3

d) If the buffer tube is too large for "A" but fits into "B",

then use "B".

e) If the buffer tube is too large for slot "B", it is too

large for the tool.

5. Buffer Tube Access

5.1 Loosen the thumb screw again and rotate the top

half of the tool 90° back to its normal position. Tighten the

thumb screw only enough to seat the vertical guides from

the bottom half of the tool into the holes in the OFAT's

top half.

5.2 Slide the buffer tube to be accessed into the

OFAT Slot

appropriate groove at the point where the cut must begin,

as indicated by the "BEG." line engraved on top of the tool

(Figure 4).

Notes: The exposed fiber length will depend on the hardware

type and application. Confirm the exposed length before accessing

the tube.

The arrows on the top and bottom of the tool indicate the

direction the tool cuts. Make sure that you have correctly placed

the tool on the buffer tube (A sample application is shown in

Figure 5).

Figure 4

Begining of cut

Issue 12

Buffer tube