Dismantling And Assembly - Grundfos MTR 15 Service Instructions Manual

4. Dismantling and assembly

Position numbers
Position numbers of parts (digits) refer to exploded views, sectional drawings and parts lists; position
numbers of tools (letters) refer to 3. Service tools.
Before dismantling
• Disconnect the electricity supply to the motor.
• Close the isolating valves, if fitted, to avoid draining the system.
• Remove the electric cable in accordance with local regulations.
• Note the centre of gravity of the pump to prevent it from overturning. This is especially important in the
case of long pumps.
Before assembly
Gaskets and O-rings should always be replaced when the pump is overhauled.
• Clean and check all parts.
• Order the necessary service kits.
• Replace defective parts by new parts.
During assembly
• Lubricate and tighten screws and nuts to the torque stated, see 2. Torques and lubricants.
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