INNOVATION AND FLEXIBILITY
THE
INSTALLATION AND MAINTENANCE TRAINING MANUAL
Contents
Air Flow testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Pressure Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Continuity Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Continuity Fault Finding . . . . . . . . . . . . . . . . . . . . . . . . . .87
Air Flow Charts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
9.12 Blowing equipment for
fibre unit installation . 89
Blowing unit 2a (7016) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Blowing unit 2a – Blowing Head. . . . . . . . . . . . . . . . . . . .91
Blowing Head set up. . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Buckle Detector Operation . . . . . . . . . . . . . . . . . . . . . . . .93
Blowing Head control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
The 15 Bar Dispenser (7855) . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Flow Meter Kit (7778) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Fibre coiler 1a (7004) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
9.13 Fibre Blowing Methods . . . . . . . . . . . . . . . . . . . . . . . . . .99
Point to Point Blowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Onward Blowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Centre Blowing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Tandem Blowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . .105
Water in the Microduct . . . . . . . . . . . . . . . . . . . . . . . . . .114
10 Maintenance of
installation equipment . . . . . . . 107
10.1 Blowing Head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
10.2 The Coiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
11
Repair Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 113
11.1 Repairs to DB Bundles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
11.2 Repair Procedure for 1 DB Joint (code 7787) . . . . . . . . . . . 117
Appendix – Product Code Identification Table . . . . . . . . . . . . . . . . . 118
Terminology: IEC 60794 has defined that ‘tubes’ in the context of blown fibre products, shall be named ‘microducts’, since they are used as
ducts, awaiting the installation of micro-sized fibre cables (units) The abbreviation ‘m/d’ may be used henceforward, to mean ‘microduct’
“This document is intended as a guide only. Whilst the information it contains is believed to be correct, Emtelle can take no responsibility for actions taken based on the information contained in this document. Emtelle reserves the
right to make changes to this document without notice. All sales of product are subject to Emtelle’s terms and conditions of sale only, which can be found on Emtelle’s website.”
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INNOVATION AND FLEXIBILITY
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