Inspection of a Phonograph
This Phonograph worked, but the mechanic parts were too noisy, and running irregular.
The appearence neede a little care too, here you will see some photos form the
An old machine needs a little care. A little dirty, the work is too noisy, a crack in the horn..
Aluminium can not be soldered, it had to be straightened out and sealed with
glue, the glue then coloured in aluminium, to match the surroundings. The work is disassembled
for cleaning and inspection.
|Like it was
||Bad crack in the horn.
||The cleaned part.
||Adjustment of the clearence
Dirt has collected between the teeth of the toothwheels, this dirt is removed with
a dentist's explorer. Egg trays work good for storing purposes, here are the
cleaned mowing parts. At the reassembly, the sidewards clearence is measured,
to ensure good run of the work. Too small a clearence will cause a heavy and
irregular run. To much clearence will cause too noisy operation.
|Lubrication of the work
||Balancing of flywheel.
The old lubricant has been removed, and replaced by new lubricant. The spring
itself gets a little fat, to awoid settlement shocks in the phonograph when the
spring unwinds during operation. The flywheel is balanced to ensure a smooth
And, ready it is!.