Building, Troubleshooting, and Connecting Through Amateur Radio

Month May 2025

HW-101 Refurbishment – Appendix Repair – Final Control Shaft Coupling

When working to reassemble the radio I noticed that the shaft coupling for the final control was slipping and further discovered that this plastic coupling threads were stripped. Threaded plastic can be rather delicate so a repair was in order…. Continue Reading →

HW-101 Refurbishment – 9. Alignment

What is the Alignment Process? The alignment process is a series of adjustments that help maximize the performance of the radio. This multistep process will include steps such as peaking the heterodyne oscillators and nulling out the carrier from the… Continue Reading →

HW-101 Refurbishment – 8. Reinstallation

Pulleys As good measure I replace the O-rings used for the driver pre-selector. These are available either in an O-ring kit or from your local hardware store, with a size of ID: 2in OD: 2-1/8in. Using incorrect sized o-rings can… Continue Reading →

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