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Identification of Controls and Fillers. 

 

 

 

1.

 

Steam regulator 

2.  Reverse lever 
3.  Gas regulator                         
4.  Lubricator filler cap 
5.  Boiler water filler 

6.  Gas tank filler valve 
7.  Burner air control ring 
8.  Pressure gauge 
9.  Water sight glass 
10. Boiler drain valve 

 

The Accucraft Bagnall saddle tank, Historical Notes. 

 

Bagnall were renowned builders of industrial locomotives for both standard gauge 
and narrow gauge.  They developed a huge range of designs and built numerous 
engines for the ‘big four’ and the MOD.  The 7″ x 12″ saddle tank was a mid-range 
narrow gauge design with a marine-type firebox that could be supplied in a number 
of different formats - over a 100 were built in this style.  Several examples of the type 
have been preserved, one of the most famous being the Rev. Teddy Boston’s 

Pixie

 

which ran round his railway in the garden of Cadeby rectory!  The Accucraft model is 
closely based on 

Woto

, originally a 3’ 6” gauge machine delivered to Callenders 

Cables Construction Company Limited of Erith, Kent in 1924 at a cost of £675.  Her 
prompt building time of under two months was made possible by the maker’s practice 
of laying batches of the major components (cylinders, boiler, frame plates, etc) down 
to stock and then finishing them to suit customer requirements upon receipt of an 
order.  The Callenders’ system closed in 1968 but both 

Woto 

and 

Sir Tom

 were saved 

for preservation, 

Woto

 ultimately ending up with Alan and Patrick Keef’s engineering 

business near Ross on Wye where it was converted to 2’ gauge. 
 

 

Summary of Contents for ACCUCRAFT 7/8 SCALE 7 x 12 INCH BAGNALL

Page 1: ... 2 Never let the engine run out of water 3 When refilling the gas do not have any naked flame present and NO SMOKING 4 Do not pick up the engine by the bodywork chimney or boiler especially when hot 5 Only pick up the engine by the buffer beams and when hot use gloves or a cloth 6 Do not stand over the chimney Ejected boiling water or steam may cause serious injury 7 Do not open the smoke box door...

Page 2: ...tions of Fillers and Drains etc The gas inlet valve is in the small turret situated in the cab floor to the rear of the burner Use an extended gas adaptor on a 45 degree angle to fill the tank The gas control valve is in the rear offside of the cab and is shaped like the hand brake The lubricator is in the offside front of the cab just forward of the doorway and behind the reverse lever The filler...

Page 3: ...They are sealed with a trapped O ring and therefore should not be over tightened If at any time the water glass gets an air bubble in it there is a blow down tap under the footplate under the left hand side of the cab Take care when blowing down the glass as very hot water will come out of the tap Lighting Up Pull open the smokebox door Light your lighter match etc and gently open the gas control ...

Page 4: ...ue running In running it is correct practice to balance the boiler pressure against the load being pulled and the track conditions With a light load and level track the pressure may need to be only 30 40 p s i therefore turn the gas control down to keep this pressure When running a heavy train with steep gradients increase the pressure by turning up the gas The ideal running pressure can be learnt...

Page 5: ...rticles of dirt within the gas the jet will have to be removed and cleaned With a spanner or pliers carefully undo the pipe union on the gas control valve Remove the pipe and jet holder assembly from the burner Holding the jet holder gently in a vice unscrew the jet To clear place the jet nozzle against the inverted gas can nozzle and clear the jet with a blast of gas Under no circumstances use a ...

Page 6: ...0 were built in this style Several examples of the type have been preserved one of the most famous being the Rev Teddy Boston s Pixie which ran round his railway in the garden of Cadeby rectory The Accucraft model is closely based on Woto originally a 3 6 gauge machine delivered to Callenders Cables Construction Company Limited of Erith Kent in 1924 at a cost of 675 Her prompt building time of und...

Page 7: ...UFACTUER S FAULT NEVER LEAVE THE LOCO UNATTENDED WHEN RAISING PRESSURE AS THE HEAT INCREASES THE PRESSURE IN THE GAS TANK ALSO RISES AND YOU WILL HAVE TO TURN THE GAS DOWN IF THE GAS CONTROL VALVE SPINDLE IS A BIT STICKY IT COULD NEED LUBRICATION WITH STEAM OIL WHEN YOU UNSCREW THE NEEDLE VALVE TO OIL IT ALWAYS DO IT WHEN THE GAS TANK IS EMPTY KEEP LOCOMOTIVE ORIGINAL PACKAGING WE WISH TO ADVISE Y...

Page 8: ...the loco from its packaging as any levering action using projecting parts e g buffers may result in damage Check with your dealer that these locomotives wheel standards are compatible with your track system Ensure that your track is in good condition and well maintained Keep the engine free of dust and dirt Debris such as earth and gravel in the motion will lead to premature wear and failure Alway...

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