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30th September 1924
Page 13
Page 13, 30th September 1924 — MAKING BEST uSE OF THE FORD.
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Valuable Advice on Every Phase of Ford Transport, Which Will Appeal to the Owner, Driver and Repairer.

IN THIS series of hints concerning the Ford light chassis and ton truck wherever they are employed for commercial purposes, we endeavoured to deal with the subject from every view-point, so that the advice given will appeal to the owner, driver, main. tenance engineer or mechanic. Valuable sources of information are being tapped for this purpose.

We shall welcome for inclusion among the hints those which have proved of value to individual users, and will make suitable remuneration for any such information which we publish. What we desire are the results of practice.

Readers are recommended to obtain the original "Book of the Ford," which constitutes a complete manual dealing with the Ford car, the van and the truck. 2s. 9d. post free from the offices of this journal.

245.—An Extra Air Device which Can Easily be Fitted.

A useful device by which improved fuel economy can be obtained can easily be fitted to the Ford, apart from certain standard accessories which are marketed to serve the same purpose.

The device to which we refer is an extra-air pipe fitted between the inlet pipe, passing through the dashboard and up the steering column. Some drivers who have utilized such a pipe have fitted taps just under the steering wheel, but when these taps are open, or partly open, an objectionable hissing noise sometimes occurs. This, however, can be silenced if in each case the pipe is fitted above the tap and carried back again through the dash.

An additional advantage obtained by doing this is that warm air is sucked from under the bonnet, instead of comparatively cold air from the cab, and better fuel vaporization thus obtained.

246.—Remagnetizing Ford Magnets without Removing Them from the Flywheel.

A simple method of strengthening the magnets without dismantling them entirely is to place the flywheel assembly on the bench with the crankcase uppermost. On top of the crankcase place the stator coil assembly, face downwards, exactly as if the parts were fixed in the car, except that there should be no air gap.

With the aid of a marked magnet, and remembering that like poles repel each other whilst opposite poles attract, set the insulated V-piece (where the collector makes contact when in situ) midway

between the two poles of one magnet, making certain that the north pole is to the right of the V-piece.

Connect four or more 6-volt starter batteries in series, and earth the positive wire in one of the stud holes on the stator coil by means of a short bolt.

Holding the negative wire in the hand, dab the small solder-covered disc in the centre of the V-piece, repeating this about eight to ten times and pausing about a minute between each dab.

The next question that arises is how to test to see if there has been any improvement. Try to lift the stator coil assembly and it will probably be found that the effort required is much greater than before.

If starter batteries are not available, the ordinary electric light wires can be employed, providing that the current is not alternating, although it is not advisable to use a higher voltage than 110. The polarity of the wires can be found by immersing them in a cup of salt water, making certain that they do not touch, otherwise the fuse will be blown.

When the switch is closed the negative wire will bubble, and the positive will turn to a chocolate colour.

A magneto treated in this manner will often give an output at a pressure of 20 volts without unduly racing the engine. Consequently, starting will be a comparatively easy matter, if everything else be in order.

247.—How Axle-shaft Pinions Can Be Removed.

In the course of overhauling Ford truck and van rear axles, difficulty is frequently experienced in removing the pinions from the axle shaft and also in replacing pinions on new shafts.

If much of this work has to be undertaken, it is advisable to build some sort of rig which can be used. for facilitating the task. The drawing which. we reproduce shows such a construction, the materials employed being channel-section. girder and flat steel plate, both of which can be purchased at almost any foundry or often at cheaper prices from a scrap-metal merchant.

To obtain the necessary pressure, an ordinary screw bottle jack may be employed. It should be observed that a press of this description can be used for many other purposes, such as the removal of bushes, fitting tyres, driving off baIl cups and setting the split-pattern tyre rims used on some Ford vehicles.


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