The 26s and 27s were overhauled at Glasgow St. Rollox works.
An overhaul was usually scheduled once every three or four years.
The most obvious sign that a locomotive had paid a visit to the
works would be its fresh coat of paint. The usual practice on
completion of an overhaul was to send the locomotive on a test
run. A one time popular choice was the 1038 Glasgow Queen Street
to Perth service. The "Ex-works" locomotive would haul
both the train engine and its train. In the event of problems the
train engine would assist.
On 4th June 1982 27040 is seen paired with
27106 on the train at Stirling. (Below).
Oddly enough in that same year a few 27s headed
south to Derby Locomotive Works for attention. 27014 had been out
of use for some time and was sent for an intermediate overhaul.
This was to be the very last overhaul on a vacuum braked
locomotive. Looking a little out of place in No. 8 shop 1 bay
(now knocked down), 27014 awaits stripping.
The method employed to heat the carriages
consisted of a steam boiler, which burnt diesel fuel. Nowadays
electric train heating is used. 27049 demonstrates the good old
method at Edinburgh!
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