ProsKit FB-1688 User manual

FB-1688 Fiber Cleaver
FB-1688C Fiber Cleaver with Scrap Collector
User’s Manual
1st Edition,2022
© 2022 Prokit’s Industries Co., Ltd

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Thanks for buying PRO’SKIT FB-1688 Fiber Cleaver. Please read
these instructions carefully before using the product.
This product has been designed and manufactured to assure
personal safety.
Improper use can result in bodily injury and serious damage to fiber
cleaver.
Please read and observe all warning instructions given in this
operation manual.
1. Do not disassemble or lubricate any parts of cleaver. Doing so
could cause serious damage to the cleaver.
2. The FB-1688 is a precision tool. Do not impact the cleaver by
hitting or dropping it. Doing so may cause personal injury and
loss of cleaving performance.
3. Glass fiber fragments are extremely sharp. Handle with care.
Wear safety glasses at all time during cleaving operation for
protection from glass fiber.
4. Dispose of glass fiber fragments properly.
5. The blade of cleaver is extremely sharp. Do not touch it with
bare hands.
6. Do not impact the clamp cover. Doing so could cause damage
to cleaver and loss of cleaver performance.
7. If cleaver is damage or problem occurs, please contact our
maintenance service center.

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SPECIFICATION
Cladding Diameter
125μm
Fiber Count Coating Diameter
Single fiber 250μm / 900μm /
3mm & Drop cable
Cleaver length
5-20mm
Dimensions
62 x 60 x 56 mm
Cleaver Blade (5FB-1688-BLADE)
24 points
STRUCTURE
Fiber mat
Lid of the fiber holder
Clamp Cover
4 in 1 fiber holder
Scrap Collector
(#FB-1688C only)
Body
Block
Cutting blade
carriage
Blade carriage

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4 in 1 FIBER HOLDER
4 in 1 fiber holder for 250μm, 900μm, 3mm and drop cable.
OPERATING PROCEDURE
1. Open the clamp cover and lid of the fiber holder. Please make
sure the blade carriage should be auto in the forward position.

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2. Insert the fiber cable into the correct groove with the end of the
fiber coating.
3. Close the lid of the fiber holder and clamp cover.
4. Slide the blade carriage to rear side of the cleaver. The fiber will
be cleaved.

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5. Open the clamp cover. Then open the lid of fiber holder and lift
the newly cleaver fiber. Lift the off-cut and dispose it properly.
6. For single fiber 250μm~900μm
7. For single fiber 3mm (patch cord)

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8. For drop cable
Notice:
While cutting 3.0mm patch cord or 3x2mm drop cable, temporarily
store the groove in the bottom of the fiber holder.

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CLEAN
To keep the cleaving quality at the beat performance, please clean the
fiber cleaver after each use. Using a cotton swab moistened with
isopropyl alcohol to clean the blade edge, the rubber pad of the clamp
and anvil, the fiber holder and the grooves.
CAUTION
Dust on the blade edge or clamp might cause loss of
cleaving performance or poor quality of fiber end face.
Do not clean them with any other kind of chemicals.
If the clamp cover is closed leaving an off-cut fiber on the
clamp, the rubber pad of clamp will have a trace of fiber,
causing loss of cleaving performance or poor quality of fiber
end face.

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BLADE POSITION CHANGE
As the number of the cleaving increases, a symptom that fiber cannot
be cleaved or cracks will be occurred. If such symptom continues
appearing which means the cutting edge is worn out. Rotate the blade
according to the following procedures and use a new cutting position.
[Reference] 2,000 cleaves per position
1. Loosen the blade set screw. (circle mark)
2. Rotate the blade to the next position by pressing its side or edge
with cotton swab.
Rotate the blade in the direction indicated by the arrow.

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CAUTION
Do not rotate the blade with hands.
Do not rotate the blade with metallic tweezers. Doing so
may damage the blade.
3. Tighten the blade set screw.
4. Try and cleave the fiber. Make visual check of the fiber end
face with splicer. If the fiber end face is poor, adjust the blade
height. (Refer to “blade height adjustment)
BLADE HEIGHT ADJUSTMENT
1. Loosen 2 hex screws(circle mark) with the attached hex. key
2. Turning the blade height adjustment slot screw(circle mark)
3. Tighten 2 hex screws(circle mark) with the attached hex key.