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Fix for Slow Chrome dials on a Bakelite Telephones
Published on 2008-12-24 13:36:00
Chrome "type 12" dials used on 200 series and 300 series bakelite telephones can run slow over time. The instructions below explain how to safely take the dial apart to clean/lubricate the governor and gears to fix this problem. You can do this without removing the dial from the bakelite case of the telephone (we have only removed it for clarity of the photographs).1) Firstly NEVER EVER Spray WD40 or other oil directly into these old dials. The backing to the dial number plate (seen on photograp
Fix for 332 earpiece quite problem
Published on 2008-10-09 03:06:00
An old GPO engineers maintenance trick for fixing the problem of the earpiece being quite on an early Bakelite 332 telephone is as follows:1) Unscrew the bakelite earpiece (anticlockwise) 2) Slide the metal diaphragm (thin metal disk) sideways off the earpiece magnets (make a note of which way round it is) 3) Make sure the two screws either side of the magnet are tight. 4) Spray the metal diaphragm (both sides) with a small amount of WD40 and wipe off with a piece of paper kitchen towel.5) Repl
Fix for Slow dial on 746 Telephones
Published on 2008-09-06 13:41:00
Old 746 telephone dials and 706 telephone dials can run slow over time. The instructions below explain how to clean/lubricate the govener to fix this problem.1) Place a piece of sticky tape over the clear centre dial cover, and pull if off quickly to remove the clear plastic centre dial cover as in the picture below:2) Remove the paper label and then unscrew the screw in the centre, to remove the clear plastic (with a flat blade screwdriver).3) Remove the small wire retaining clip, this is easil
