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TM

7

Connecting the Ferret Leak Locator

2.1 Connecting a water supply

Step 2.  
Make sure the Flow Valve is in the off  
position and then turn the incoming  
water supply back on. 
 
You should now see pressure registering  
on the Set and Inlet Pressure Gauges.

Summary of Contents for Leak Locator

Page 1: ...TM 1 Ferret Leak Locator User Manual TM ferret technology com ...

Page 2: ...ontrols 2 0 Connecting the Ferret Leak Locator 3 0 Moving the Ferret along the leaking pipe 4 0 Locating the leak 5 0 Locating the Ferret from above ground 6 0 Basic Maintenance 3 6 11 16 18 22 Table of contents ...

Page 3: ...he flow in the leaking pipe when inflated TM 3 1 1 Ferret Controls how to adjust the pressure in the Ferret Controls Ferret Pump Inflates deflates the Ferret Ferret Pressure Gauge Shows the pressure inside the Ferret ...

Page 4: ... to adjust the flow in the leaking pipe Controls Flow Gauge Shows when water is flowing through the Ferret Leak Locator Pipe Pressure Gauge Shows the pressure inside the leaking pipe Flow Valve Turns flow to the leaking pipe on and off ...

Page 5: ...ssure in the leaking pipe Controls Pressure Regulator Controls the working pressure Pull out to adjust and push in to lock Inlet Pressure Gauge Shows the pressure within the incoming water supply Set Pressure Gauge Shows the working pressure in the leaking pipe ...

Page 6: ...ing or cut the pipe then use the black Inlet Hose and a suitable fitting to connect the incoming water supply to the inlet on the Ferret Leak Locator The connection hoses have internal O ring seals at the ends that connect to the Ferret Leak Locator They should only be hand tightened Do not use a wrench Incoming water supply ...

Page 7: ...et Leak Locator 2 1 Connecting a water supply Step 2 Make sure the Flow Valve is in the off position and then turn the incoming water supply back on You should now see pressure registering on the Set and Inlet Pressure Gauges ...

Page 8: ...and connection fitting then connect the Outlet Hose to the Ferret Leak Locator Step 2 Remove the Green Cap from the end of the Ferret Pipe and put it here for safe keeping IMPORTANT Always replace the Green Cap as soon as the Ferret is removed to prevent air and dirt from getting into the Ferret inflation system Step 3 Screw the Ferret on hand tight ...

Page 9: ...or 2 3 Stretch and test the Ferret Use the Ferret Pump to inflate the Ferret to check it is not damaged Then deflate the Ferret IMPORTANT A new Ferret must first be stretched to a larger diameter than the internal bore of the leaking pipe ...

Page 10: ...tep 2 Open the Flow Valve and wait for the pipe pressure to register Step 3 You should now see the leak flow registering on the Flow Gauge Step 4 Open a vent at the far end of the leaking pipe The Flow Gauge will now spin faster IMPORTANT If there is no flow you will need to use the Pressure Regulator to increase the pressure in the leaking pipe until the leak flow registers ...

Page 11: ...p 2 Turn the Ferret Pump to inflate the Ferret to approximately 1bar 15psi above the working pressure Step 3 Turn the Flow Valve back on and wait for the Flow Gauge to stop IMPORTANT If the Ferret starts to move or the Ferret Winder turns close the Flow Valve and increase the pressure in the Ferret then open Flow Valve again ...

Page 12: ...they start to move stop deflating the Ferret 3 2 Moving the Ferret forwards IMPORTANT Always make sure the Ferret pipe is moving through the Outlet Hose when you are turning the Ferret Winder clockwise or the Ferret Pipe could become tangled inside the Ferret Leak Locator Note When working with smaller Ferrets and in metallic pipes you may need to help the Ferret Winder turn to allow the Ferret to...

Page 13: ...long the leaking pipe 3 3 Restrictions in the pipe The Ferret will stop if it meets a restriction in the pipe before it gets to the leak Note You will see the Ferret Winder stop turning and no flow registering on the Flow Gauge ...

Page 14: ...nd then turn the Ferret Winder back a quarter turn B to put some slack in the Ferret Pipe Step 3 Slowly reduce the pressure in the Ferret until the water in the pipe pushes it through the restriction Watch the reference point to see when this happens REFERENCE IMPORTANT Once the deflated Ferret is back in the larger diameter pipe it will stop but the Flow Gauge will register the water flowing past...

Page 15: ...late the Ferret Step 3 Turn the Ferret Winder anti clockwise as shown on the label to move the Ferret backwards along the leaking pipe IMPORTANT If the Ferret gets stuck don t force the Ferret Winder disconnect the clear Outlet Hose and pull directly on the yellow Ferret Pipe instead 3 5 Stopping the Ferret and moving it backwards ...

Page 16: ...ep 2 Turn the flow back on to the pipe If the Ferret is before the leak the flow gauge will stop If it keeps turning the Ferret is after the leak IMPORTANT Check that no water is flowing through the open vent This confirms that the Ferret is blocking the pipe and that the Flow Gauge is registering the flow of water escaping from the pipe through the leak ...

Page 17: ...Move the Ferret backwards or forwards as required and repeat the leak test on the previous page Locating the leak Step 2 Repeat this process until the leak is pinpointed to within a quarter turn of the Ferret Winder 4 2 Pinpointing the leak ...

Page 18: ...om above ground 5 1 Tracing the line of the pipe without sonde Step 1 Connect a signal generator to the terminal on the Ferret Winder Step 2 Trace the line of the pipe as per the manufacturer s instructions for your tracing device ...

Page 19: ...e with sonde Step 1 Connect the Trace Lead supplied with the Ferret Leak Locator to the terminal on the Ferret Winder Step 2 Connect a 33kHz signal generator to the red Trace Lead Step 3 Trace the line of the pipe as per the manufacturer s instructions for your tracing device ...

Page 20: ... Pipe inside the clear Outlet Hose IMPORTANT Always rewind the Ferret before you start digging You might forget later and then cut the Ferret Pipe when making the repair Step 2 Place a measuring wheel on the Outlet Hose so it lines up with the distance mark and then measure out the indicated distance along the traced line of the pipe ...

Page 21: ... Using the Sonde Move receiver along line of pipe not across Connect a 33kHz signal generator using the trace lead supplied with the Ferret Leak Locator Null Small Peak Small Peak Large Peak Dig depth is three quarters of distance d between the two nulls d Null 33kHz receiver ...

Page 22: ...ret Pump clockwise to increase the pressure in the Ferret inflation system whilst watching the Ferret Pressure Gauge IMPORTANT If there is no air in the Ferret inflation system you should be able to achieve a pressure reading of 4 bar 60 psi with no more than one full turn of the Ferret Pump If there is air in the system remove it by following the instructions on the next page ...

Page 23: ...e the Ferret Pipe up so the end is above the Ferret Leak Locator Step 3 Open the Fill Valve NORMALLY CLOSED to let water into the Ferret inflation system You should see water coming out of the end of the Ferret Pipe Leave to run for a minimum of one hour When you have finished flushing air from the system close the Fill Valve Wait for the Ferret Pressure Gauge to fall to zero and then re fit the G...

Page 24: ...TM 24 TM ferret technology com ...

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