Introduction: Replacing the Power Cord on a Hyla NST Vaccum Cleaner
You need a PH2 Philips head screw driver, a small slotted screw driver and a spudger.
The replacement power cord should be a 7.5m long 2x0.75mm² cable with
ferules on the loose end and a molded on plug on the other side.
Step 1: Remove the Handle Face Plate
Use a spudger to lift the face plate on the handle and then pull it straight up to remove it.
Step 2: Remove Cable Cover
Under the face plate you can find two Philipshead screws. Remove them and then the handle and the cable cover can be removed.
Step 3: Remove Case Cover
Now the case cover can be removed by firmly pulling it up.
Step 4: Remove Strain Relieve
Now the strain relieve can be removed by unscrewing the two Philips head screws.
Step 5: Remove the Power Cord
Unscrew the leads of the old power cord from the screw terminal and remove the old power cord.
Step 6: Connect the New Power Cord
Ensure that the replacement power cord has ferules on both leads.
Slide the new cable through the cable inlet and connect it to the screw terminal. connect blue to blue and brown to brown lead. Route the new cable in the same cable groves that the old cable was sitting in.
Note: The two black leads on the screw terminal connect directly to the motor winding. If you suspect a bad motor winding, you can test it here. A good motor should have a resistance of approximately 10 Ohms if you measure with a multimeter.
Step 7: Reassembly
Now reassemble the device by following the steps in reverse order starting at step 4.
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