English (GB) Service instructions Original service instructions. CONTENTS Page Symbols used in this document Identification 2.1 Nameplate 2.2 Type key General information Torques Secondary materials Service tools Dismantling the pump Assembling the pump Replacing the sensor with cable 10. Replacing the valve flap 11.
2.2 Type key Code Example TPE3 65 -120 -S -A -BUBE Pump range, electronically speed-controlled pump TPE2 Without built-in sensor TPE3 Built-in differential-pressure and temperature sensor Twin-head pump Nominal diameter of the inlet and outlet port (DN) Maximum head [dm] Built-in differential-pressure and temperature sensor.
Position numbers of tools (letters) refer to section Pos. Type Size [mm] [Nm] 6. Service tools. Electrical parts must only be serviced by Grundfos or an Pozidriv screw M4 x 6 authorised service centre. Screw 3 mm M4 x 6 Warning...
6. Service tools 7. Dismantling the pump Warning Switch off the power supply and make sure that it cannot be accidentally switched on. Check that other pumps or sources do not force flow through the pump even if the pump is stopped. This will cause the motor to act like a generator, resulting in voltage on the pump.
22. Make sure that the movable part of the neck ring is centred in 8. Assembling the pump the stationary part. See fig. 6. Lubricate and tighten screws and nuts according to Note section 4. Torques 5. Secondary materials. 1. Make sure that the key (11) is fitted correctly on the motor shaft.
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