What the thread found

• A potentiometer on the Heden 26P motor can become loose over time with extended use.
• The potentiometer is held in place by two screws that require disassembly of the motor to access.
• After approximately 17 years of use, a potentiometer may need complete replacement rather than just tightening.
• Sending the unit to the manufacturer for repair is recommended rather than attempting disassembly without proper knowledge.

Depends on

• The thread discusses a unit from 1987 that had been in use for 17 years at the time of posting (circa 2004).
• One participant mentioned the motor contains complex internal wiring that complicates disassembly.
• The original poster primarily wanted to tighten rather than replace the component, but manufacturer correspondence suggested replacement might be necessary.

Parts

Follow Focus

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