General Machine Products 89000 Cable Blowing Machine(Previous) - Manual (Page 16)

Page 16 of 64 General Machine Products Co., Inc.
9. Notify installation team that preparations are competed and that checking the air flow
through the sub-duct is about to commence.
10. Note: Only authorized fully trained operators should be allowed to operate the air
compressor.
With the air compressor ready to provide air, turn the air valve to the “open” position.
11. Confirm that air is being expelled from the far end of the sub-duct under pressure. If not
this indicates the run is too long, there is leak, an obstruction or the sub-duct is crushed
or otherwise damaged or disconnected. This must be remedied before any cable blowing
is undertaken, when confirmation is received, turn the air valve to the “closed” position
and shut down the compressor.