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For DRIVERS, MECHANICS & FOREMEN.

19th October 1920
Page 75
Page 75, 19th October 1920 — For DRIVERS, MECHANICS & FOREMEN.
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Which of the following most accurately describes the problem?

• TEN SHILLINGS is paid to the sender of any letter which we publish on this page, and an EXTRA FIVE SHILLINGS to the sender of the one which we select as being the best each, week. All notes are edited before being published. Mention your employer's name, in confidence, as evidence of good faith. Address, D, M. and E., "The Commercial Motor," 7-15, Rosebery Avenue, London, E.C. I.

Lamps Alight.

On Saturday, October 23rd, light you lamps at' 6.19 in London, 6.20 in Edinburgh, 6.16 in Newcastle, 6.26 in Liverpool, 6.25 in Birmingham, 6.29 in Bristol and 7.9 in Dublin.

Reamering a Road Wheel Bush.

The sender of the following co'rnmunication has been awarded the extra payment of Sc. this week.

1148] ."A.G.R." Fulham)writes:—" I recently had. to take part in the job of overhauling a lorry, and, amongst other things we fitted the road wheel with new bushes. When we came to'puthhe wheels on the axle again it was found that the bushes were just a trifle too small and the a,xle.ends would not enter. This placed us in a somewhat awkward predicament, for we had no lathe large enough to swing the wheels, and we certainly did-not wish to . go' to the trouble of removing the bushes again. As ours is only a small shop and, not very well equipped, it will readily be understood that we had no reamers of the right size to enlarge these bushes. I, therefore, cast about to see if I could devise some homemade method of doing the job. "In tha course of a, look round the shop I found a broken differential shaft with a spline& end to it, which, fortunately, was slightly less in diamater than the bore of the wheel bush. I out a piece of this shaft off, so that I had a short piece of plain shaft and a portion of the splinecl end. I then took a square-edged punch, and, by hammering on the square sides' of the spline, slightly enlarged the splined end of the shaft, afterwards dressing it with a file so as to give each spline a cutting edge, as is also roughly shown in the sketch. I got a piece of .3 in bar, about 2 ft. long, and screwed it for the full

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length. I tapped the end ofEthe short piece of shaft to receive this screwed spindle, routed out. an old valve cap, and enlarged the hole in the centre of it to in., so that it would slip over the in. bar. I then assembled the whole outfit, as shown in the sketch, and was able, by turning on the squared end of the in. bar and gradually drawing it along by means of the nut shown, to make. a very good job of reamering out the bush. You may depend upon that that tool is carefully put away in. a safe place for use when the next wagon of the same make comes in for overhaul."

Mysterious Case of Bad Steaming.

[21,49]. "A.G.D." (Hinckley) writes :—" Sometime ago I was asked to take out a. steam wagon, the regular driver of which was away for some reason or other. I at once found that it was steaming very badly. The cause was clearly something within the wagon itself and not merely clinker, as the fault developed immediately I left the yard. I made some occasional examinations ad I travelled along in the hope of discovering the catise, but without success, and therefore determined that before, I set out the next day I would have a look round-while-the engine was in the yard to see if I could find out what was the matter.

" I started my search while the engine was cool and before -I had lighted the fire, and in the course of' thisexamination I happened to look down the chimney, whore I discovered, first, that the exhaust pipe was.not in the centre-nor poinfirg directly up the chimney, secondly, that there was a large accumulation of soot and burnt oil-caked on to the side of the chimney. Evidently this was interfering with the free:draught and spoiling the steaming qualities of the bailer. I cleaned out the chimney, twisted the exhaust pipe a bit so that it was truly central and poirited straight out of the chimney, and subsequently the wagon ran perfectly." .

We shall be glad if " J.H.S.," Luton, the writer of driver's letter, 2144, published in. our issue for October-5th, on "Removing Bronze Bushes," will forward us his address, which has been mislaid.


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