CABLE OVERBLOWING JUNCTION BOX
FOR 1 1/4” SDR DUCT
OPERATION & MAINTENANCE MANUAL
P/N 89066
Copyright 2012 by General Machine Products Co., Inc
All rights reserved. No part of this publication may be copied,
reproduced or transmitted in any form whatsoever without the
written permission of
GMP • 3111 Old Lincoln Hwy • Trevose, PA 19053 • USA
General Machine Products Co., Inc.
TEL: +1-215-357-5500 • www.gmptools.com
MAY 2012 USA Ver 1
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General Machine Products Co., Inc.
Manual P/N 33297
REVISION HISTORY
Rev # Date Details Author
01 05/31/12 Original Issue A Konschak
CONTENTS
1. Safety Instructions
2. General Description
3. Specification
4. Operating procedures
5. Maintenance
6. Troubleshooting Guide
7. Recommended Spares List
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General Machine Products Co., Inc.
This equipment should be used only by personnel who have been given the appropriate
training and who are competent to use it.
These instructions are to be made available
to operators of this equipment at all times.
Failure to observe these safety instructions
could result in serious personal injury and/or
property damage.
1. SAFETY INSTRUCTIONS
WORK AREA AND GENERAL SAFETY
1. Read and understand the operation and maintenance manual supplied with
this equipment. Keep it in a convenient place for future reference.
2. Keep children and untrained personnel away from this equipment while in
operation.
3. Keep all guards and safety in place. Do not operate this equipment with
guards removed or damaged.
4. Keep hands, feet and loose clothing away from moving parts.
5. Check equipment before starting for worn or damaged parts. Check that all
nuts and bolts are tight.
6. If equipment is left unattended, ensure that unauthorized use is prevented
7. Never leave the equipment unattended while in use.
8. Consider the use of safety barriers, especially when used in public places.
9. Wear ear defenders when power pack engine is running 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 leather gloves, machine operates with compressed air up to 175
psi (12 bar).
13. Prior to installation ensure the innerduct route is connected properly.
14. Ensure the compressed air supply is not applied to assist the new cable /
tube(s) until approximately 100 - 115’ (30 – 35 m) of cable / tube(s) have
been installed or the hydraulic pressure on the blowing machine begins to
rise.
15. The compressed air must not be allowed to enter the Cable Overblowing
junction box until all 4 lid-retaining screws have been fully tightened down.
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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 pressurized air to project cable at high velocities. Please observe the following precautions 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 pressurized.
Only authorized, fully trained personnel should operate the air compressor.
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General Machine Products Co., Inc.