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Sida 1/4

INSTRUCTION MANUAL

915CL

Optical Fiber Cleaver

Preface

Description

The Tempo Communications 915CL Optical Fiber Cleaver is intended to

precisely cleave the ber optic cable for subsequent use in the 915FS Fusion

Splicer.

Safety

Safety is essential in the use and maintenance of Tempo tools and equip-

ment. This instruction manual and any markings on the tool provide informa-

tion for avoiding hazards and unsafe practices related to the use of this tool.

Observe all of the safety information provided.

Purpose of This Manual

This instruction manual is intended to familiarize all personnel with the safe

operation and maintenance procedures for the Tempo Communications

915CL Optical Fiber Cleaver.

Keep this manual available to all personnel.

All specications are nominal and may change as design improvements occur. Tempo

Communications shall not be liable for damages resulting from misapplication or misuse of

its products.

Important Safety Information

Read and understand all of the instructions and safety

information in this manual before operating or servicing

this tool.

Failure to observe this warning could result in severe

injury or death.

Electric shock hazard:

Contact with live circuits could result in severe injury or

death.

Wear eye protection when using this tool.

Fiber fragments can be extremely dangerous if they come

into contact with eyes or skin or are ingested.

• Collect all ber scraps in the dust bin and dispose of them in an

approved ber disposal unit.

• Do not touch the cleaving wheel blade cutting area.

• Do not disassemble or lubricate. Contact Tempo for maintenance and

repairs.

• Store in a dry, clean location in the protective pouch.

Failure to observe these precautions may result in injury and may

damage the unit.

KEEP THIS MANUAL

915CL Cleaver

Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155

Operation

1. Open the ber clamp mechanism and pull the ber cleaving wheel

mechanism back toward yourself.

2. Place the ber to be cleaved in the desired ber adapter.

Hint: It is easier to load the ber into the adapter if the ber is curled in a

downward direction from the ber clamp.

3. Close the ber clamp mechanism.

4. Push the cleaving wheel mechanism away from yourself to cleave the

ber.

Note: Dust bin is removed for these photos.

Cleaving Start Position

Cleaving Finished Position

5. Open the ber clamp mechanism.

6. Make sure that the cut ber end is safely in the dust bin.

7. Remove the adapter with the cleaved ber from the cleaver.

8. Place the adapter with the cleaved ber into the 915FS for splicing.

Note: There is no need to remove the cleaved ber from the ber adapter

after the cleaving operation.

Normal Use and Maintenance

Make sure that the rubber presser feet and the ber guide groove are clean

(no dust and ber debris). Keep the ber contact surfaces clean by using

isopropyl alcohol with a lint free cleaning wand.

Change the position of the cleaving wheel if the cleaving quality degrades

due to the blade being worn (usually 1000 cleaves per blade position). After

the cleaving wheel has been rotated through all 16 positions, the height can

be increased and the wheel can be reused through all of the 16 positions

once again. The cleaving wheel can be rotated two times for a total of 48,000

cleaves.

Blade Position Change

1. Loosen blade locking screw.

2. Rotate blade to next scale position.

3. Hold side face of blade and lock screw at new position.

4. Lay 0.7 mm pencil lead across both pressure pads.

0.7 mm

Pencil

Lead

5. Move slider back and forth and check if blade touches pencil lead.

• If blade touches pencil lead: Perform a cleave and check cleave angle

on 915FS.

If cleave is not good: Check if blade is damaged or dirty at

new position.

• If blade drags pencil lead all the way across: Go to “Blade Height

Adjustment”.

• If blade does not touch pencil lead: Rotate pencil lead ≈180°

and try again.

If not sure: Perform a cleave and check cleave angle on 915FS.

If cleave is not good: Go to “Blade Height Adjustment”.

915CL Cleaver

Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155

Converting the 915CL to a Fixed Clamp Cleaver

Place the xed clamp mechanism into the 915CL and secure with the screw

provided.

The 900 micron and 250 micron ber adapters can be permanently left in the

915FS fusion splicer. If desired one M2X5 screws can be used to secure each

ber adapter into the ber adapter mounting area of the 915FS.

Fixed Clamp Mounting Screw

Blade Replacement

1. Lay down cleaver with scale numbers on blade facing up.

2. Remove blade locking screw.

3. Remove old blade and replace with new blade. Do not touch blade (very

sharp!) Use tweezers to remove old blade and insert new blade.

Normal Use and Maintenance (con’t)

4. Lock new blade at position “1”.

5. Lay 0.7 mm pencil lead across both pressure pads.