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7.2.2 Fitting the supply cord
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1. Work the supply cord into position in the rear part of the housing.
2. Push the supply cord through the protective sleeve.
3. Strip 5 mm of insulation off the ends of the conductors.
4. Insert both conductors under the strain relief clamp.
5. Slip the supply cord conductors underneath the two screws and tighten the screws (tightening torque:
0.5-0.8 Nm).
6. Position the supply cord so that the protective sleeve fits snugly, without a gap.
7. Make sure that the cable sheath projects 5 mm past the strain relief clamp and tighten the screws of the
strain relief clamp (tightening torque: 1.35-1.75 Nm).
8. Close the housing and tighten the screw in the rear part of the housing (tightening torque: 1.35-1.75 Nm).
7.3 Replacing the on/off switch
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1. Disconnect the supply cord plug from the power outlet.
2. Unscrew the screw in the rear part of the housing and remove the rear part of the housing.
3. Slacken the two screws and disconnect the two supply cord conductors.
4. Mark the positions of the flat plugs on the on/off switch.
5. Disconnect the four conductors from the on/off switch.
6. Remove the on/off switch by lifting the other tab.
7. Insert the new on/off switch.
8. Connect the four conductors to the on/off switch in accordance with the markings.
9. Slip the supply cord conductors underneath the two screws and tighten the screws (tightening torque:
0.5-0.8 Nm).
10. Close the housing and tighten the screw in the rear part of the housing (tightening torque: 1.35-1.75 Nm).
7.4 Replacing the carbon brushes
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1. Disconnect the supply cord plug from the power outlet.
2. Unscrew the screw in the rear part of the housing and remove the rear part of the housing.
3. Use pliers to slide the spring plate to the side.
4. Remove the carbon brush with your fingers or with the aid of a suitable tool.
5. Unplug the carbon brush.
6. Plug in the new carbon brush.
7. Insert the new carbon brush into the cage.
8. Position the spring plate on the carbon brush and press the parts in firmly.
9. Replace the other carbon brush in the same way.
10. Close the housing and tighten the screw in the rear part of the housing (tightening torque: 1.35-1.75 Nm).
7.5 Checks after care and maintenance work
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After carrying out care and maintenance, check that all protective and safety devices are fitted and that
they function faultlessly.
8 Transport and storage
• Do not transport electric tools with accessory tools fitted.
• Always unplug the supply cord before storing an electric tool or appliance.
• Store tools and appliances in a dry place where they cannot be accessed by children or unauthorized
persons.
• Check electric tools or appliances for damage after long periods of transport or storage.
9 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, contact
Hilti
Service.
Printed: 08.09.2017 | Doc-Nr: PUB / 5373395 / 000 / 00
Summary of Contents for AG 125-7SE
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