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Self-Changing Gears Limited


Manuals

Many of these are extracts from British United Traction manuals. BUT also produced a Self-Changing Gears book in its Spare Parts Catalogue series.


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18" and 20" Fluid Clutch

Self-Changing Gears Ltd

Nowadays more commonly known as a fluid flywheel which was fitted to AEC and Leyland 150hp engines. In general the 18" was fitted to 79xxx series vehicles and the 20" to later builds.


PDF Download (size 8Mb)


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Assembly of the Type R14 Gearbox

Self-Changing Gears Ltd

An illustrated step-by-step guide to assembly.

1950s
PDF Download (size 2.4mb)


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Type R14 Gearbox

Service Manual

Self-Changing Gears Ltd

This is straight out the BUT 50,000 series overhaul manual.

1950s
PDF Download (size 10mb)


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Type RF28 Final Drive Unit

Service Manual

Self-Changing Gears Ltd

Description, servicing, overhaul & spare parts.

1950s
PDF Download (size 4.1mb)


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Type SE4 Gearbox

Service Manual

Self-Changing Gears Ltd

Description, servicing, overhaul & spare parts.

1950s
PDF Download (size 7.5mb)