MSAT (Mid-Span Access Tool)
OPERATING INSTRUCTIONS
Warning! This tool should not be used on live electrical circuits. It is not protected against electrical shock! Always use
OSHA/ANSI or other industry approved eye protection when using tools. This tool is not to be used for purposes other than
intended. Read carefully and understand instructions before using this tool.
The Miller Mid-Span Access Tool (MSAT) is used to quickly and easily access fibers in 2mm, 2.5mm and
3mm buffer tubes in a mid-span location without damage to fiber. No blade adjustment is necessary, as the
factory precisely mounts the blades in the tube slitting channels, resulting in consistent and accurate slitting.
Figure 1
The tool design incorporates buffer tube size gauges on the tool body for ease of selecting proper tube slitting
channel. It can slit the following tube size ranges:
1.8mm to 2.2mm (.071”-.086”)
2.3mm to 2.8mm (.090”-.110”)
2.8mm to 3.2mm (.110”-.126”)
Optimum results will be achieved the closer in size the tube is to the nominal/standard size.
SLITTING INSTRUCTIONS:
1. Using the incorporated gauge slots, determine the
size of the buffer tube to be slit. (Figure 1)
2. Open the tool by lifting the cam lever.
3. Position the tube in the appropriate channel,
ensuring it is fully aligned. The blades are located at
a groove mark, where indicated by B.L. This “blade
line” is where the cut will start. (Figure 2)
4. Close the tool by rotating the cam lever.
5. Firmly grasp the tool and pull in the desired
direction. The tool produces two cuts in the tube,
180° from each other.
6. The split tube can now be separated to access the
fiber. Trim the tube sections as desired.
BLADE REPLACEMENT:
1. With the tool in the open position and using the
supplied hex wrench, remove the spring retaining
screw.
2. Loosen the set screw to the appropriate blade.
3. Remove the old or damaged blade.
Start of cut
in-line with
“Blade Line”
Cam Lever
(closed position)
Cam Lever
(open position)
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