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General Machine Products Co., Inc. 

GENERAL PNEUMATIC SAFETY INSTRUCTIONS 

 

The GMP Overblowing Junction Box is used in conjunction with the GMP Fiber 

Optical Cable Blowing Machine, both are pneumatic devices, they use pressur-

ized air to project cable at high velocities.  Please observe the following precau-

tions when operating the Cable Blowing Machine: - 

 

1.  Compressed air can cause flying debris.  This could cause personal injury. 

Always wear personal protective equipment. 

2.  Ensure no personnel are in the manhole at the far end of the cable / tube 

run. Severe personal injury may result. 

3.  Never open the Cable Overblowing Junction Box air chamber when pres-

surized. 

 

Only authorized, fully trained personnel should operate the air compressor. 

Summary of Contents for 89066

Page 1: ...produced or transmitted in any form whatsoever without the written permission of General Machine Products Co Inc CABLE OVERBLOWING JUNCTION BOX OPERATION MAINTENANCE MANUAL GMP 3111 Old Lincoln Hwy Tr...

Page 2: ...21 15 Add Allen Key reference Combined 89066 and 89067 in same manual A Konschak 03 11 30 15 Added 2 SDR A Konschak 04 01 17 17 Updated color code on 33218 33219 A Konschak CONTENTS 1 Safety Instruct...

Page 3: ...ng to prevent ear damage 10 Stay clear of the pressurized innerduct 11 Only use the equipment for its intended purpose 12 When operating machine always wear eye protection hard hat safety shoes and le...

Page 4: ...cities Please observe the following precau tions when operating the Cable Blowing Machine 1 Compressed air can cause flying debris This could cause personal injury Always wear personal protective equi...

Page 5: ...existing cable can exit the Cable Overblowing Junction Box through an opening that has 3 cable seal slots one of which will house the seal to suit the size of the existing cable The third branch is t...

Page 6: ...and the duct size Duct Size 1 1 4 SDR 1 1 2 SDR 2 SDR Installation Principle Viscous Drag Viscous Drag Viscous Drag Max Operat ing Pressure 175 psi 12 Bar 175 psi 12 Bar 175 psi 12 Bar Length 12 305mm...

Page 7: ...e attached e Lubricated 5 Position the Cable Overblowing Junction Box into the manhole duct or trench 6 Remove the lid and open the innerduct clamps F A place the existing innerduct C into the innerdu...

Page 8: ...nce manual The cable duct tube s must be fed through the short slave length of innerduct from the cable blowing machine and into the existing innerduct fed into the Cable Overblowing Junction Box by a...

Page 9: ...ls should be cut to length and glued into the grooves in the junction box housing upper and lower halves 4 Always ensure that the cable seals are in good condition and replace if damaged or worn For b...

Page 10: ...uel Emergency stop button pressed Damaged lead between Power Pack and blowing machine EXCESSIVE AIR LEAKAGE FROM OVERBLOWING JUNCTION BOX Damaged cord seal Cable seals worn incorrect size installed wr...

Page 11: ...se give as much information as possible to ensure correct identification and supply of spare parts RECOMMENDED SPARES LIST 7 SPARES PART No Description Qty required 89147 Seal Cord 10 89588 Sealing Co...

Page 12: ...Page 12 of 12 General Machine Products Co Inc GMP 3111 Old Lincoln Hwy Trevose PA 19053 USA TEL 1 215 357 5500 www gmptools com...

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