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DUST EXTRACTION UNIT
Dust Extraction Unit - Cylindrical :-
Height = 30 inches or 36 inches (requires verification)
Width = 26 inches
Dust Extraction Unit - Square :-
NB: these dimensions are for the model built by March, which looks the same as the original Clarkson Extraction Unit.
Height = 840mm, 33 inches
Width = 455mm, 18 inches
Depth = 505mm, 20 inches
Capacity = 420 m3/h 100mm water gauge
Capacity = 250 c.m. 4 inches water gauge
Hose = 60mm x 2300mm with jubilee clips (is the inlet spigot 60mm outside diameter?).
Electrical = 200/250 volts or 380/440 volts, 3 phase
Weight Nett = 39kg, 105lb
Weight Gross = 47kg, 86lb
The March Engineering manual describes the square Dust Extraction Unit as follows:-
''The March Dust Extraction Unit is designed to fit all March Tool and Cutter Grinders, The powerful extractor removes both metal and wheel dust, giving better visibility, a cleaner job and longer life to the Cutter Grinder. Dust is kept clear of adjacent machinery too. The unit ensures safety for the operator against flying particles, and the danger of breathing dust. It is compact - occupying only 2.5 square feet of floor space. It is easily fitted to the Cutter Grinder and can be located in any convenient position. The unit can be supplied with a Cutter Grinder or on its own for connection to an existing machine.''
A note from the March Engineering Operators Manual:-
"If you use Dry Grinding Machines for 12 hours per week or more you must supply some means of dust extraction.
You may either link your March Tool & Cutter Grinding Machine to your existing system or use a separate March Dust Extraction Unit
which can be purchased as an optional extra. If, however, you do not require dust extraction facilities you must blank off the guard outlet
with 1/8" minimum thickness of plate."
The law requires you to guard as much of the wheel as practically possible.
↓ Extractor Hood for Mark1 and Mark 2.
The outside diameter of the spigot on the Extractor Hood on my Clarkson Mark 1 is 75mm.
This 75mm spigot will need a reducer to allow a 60mm hose to be fitted.
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↓ (15-05-18) This Extractor was for sale from Bw machine Tools for 450 pounds.
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↓ (29-07-17) This Extractor was included in a Mark2 sale on ebay, located in Cranbrook.
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↓ (22-07-17) This Extractor was for sale on the Home and Workshop Machinery website, for 294 pounds.
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↓ (12-07-16) This Extractor was for sale on ebay, located in kenilworth.
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↓ (12-07-16) This Extractor was for sale on ebay, located in kenilworth.
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↓ (23-04-15) This Extractor was for sale on ebay, buy it now 350 pounds, located in Woodhall Spa.
This looks like it is the same as the Lincoln Extractor that was for sale in Lincoln (see next item).
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↓ (23-04-15) This Extractor was for sale on ebay, buy it now 750 pounds, located in Lincoln.
This Extractor was part of a Clarkson Mark1 sale.
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↓ (25-10-15) This Dust Extraction Unit was for sale on ebay, buy it now 120 pounds, located in Dereham.
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↓ (29-07-15) This Dust Extraction Unit was for sale on ebay, located in Whauphill.
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↓ (10-11-14) Dust Extraction Unit and Sand/Bead Shot Blasting Cabinet, located in Northampton.
The Dust Extraction Unit is made by Clarkson.
This is the first Clarkson Sand/Bead Shot Blasting Cabinet I have seen (if it is a Clarkson?).
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↓ (18-06-14) This Dust Extraction Unit sold for 102 pounds, located in Daventry.
These are very nice pictures showing most of the details.
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↓ (28-08-13) This Dust Extraction Unit was for sale on ebay, located in Alitwaite.
↓ (04-06-13) This Dust Extraction Unit was for sale on ebay, located in Arundel.
It was described as 36 inches high by 18 inches wide, a two man lift that will fit in a hatchback. The motor is 0.5hp 3 phase.
↓ (18-05-13) This Dust Extraction Unit was for sale on ebay, located in Lincoln.
It was described as 30? inches high by 18 inches wide.
Here you can see the square exhaust port.
The fan must be stopped before using the red Filter Shaker Knob.
↓ (03-05-13) This Dust Extraction Unit was for sale on ebay, located in Leeds.
It was described as 36? inches high by 18 inches wide.
The filter is cloth.
↓Dust Extraction Unit - Cylindrical
I don't know what those rubbery/jelly things are?
↓Dust Extraction Unit - Cylindrical
↓Dust Extraction Unit - Cylindrical
↓The square exhaust port can be seen to the lower left of the machine where the Union Jack sticker is.
↓Dust Extraction Unit - Square
This Dust Extractor was described as:-
Clarkson DCE Single Phase Dust Extractor
Model - DX7, Serial Number - 502, 421, 0.75 Kw, 240V, 1PH, 50Hz, Single Phase.
↓Dust Extraction Unit - Square
The black knob on the front of the unit is the Filter Cleaner Knob.
↓Dust Extraction Unit - Square
The March Engineering units appear to be exactly the same as the Clarkson badged units.
↓Dust Extraction Unit - Square
The Dust Inlet spigot is on the lower right.
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