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BODYWORK REPAIRS an ALTERATIONS Made Easy

19th April 1932, Page 58
19th April 1932
Page 58
Page 59
Page 58, 19th April 1932 — BODYWORK REPAIRS an ALTERATIONS Made Easy
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A Particularly Interesting Contribution that will Appeal to Passengervehicle Operators and Bodybuilders. How to Effect Various Maintenance Operations

EQUIPMENT for the passenger vehicle, such as window fittings, is continually being improved and new patterns introduced. An earlier type of window works efficiently when judged by the standard of a year or two ago, but the bus or coach proprietor may be convinced that maintenance costs will be reduced if the window equipment of his fleet be modernized.

A bus may have full-drop windows, and it is proposed to fit the latest pattern, which has several advantages, from both the owner's and passengers' points of view, not possessed by the older type. Alternatively the proprietor may wish to change over from full to half-drop windows.

In the latter instance, some modification is necessary to the wood 036 framework of the window opening. The space between the outer waist rail and the inner garnish rail is filled with a wood rail, so that there is a foundation for the lower fixed half of the window.

The pillars are made level in a similar manner, because the moving half of the window has its oivn guide channels. The inside panels below the waist are, perhaps, retained, although they may be removed so as to afford an inch or two more length of -2ushion.

As a rule, a new window not only works more smoothly than one of earlier manufacture, but usually glass replacement is simplified.

As fractures to the windscreen are apt to be more frequent than to the other windows of the vehicle, the importance of providing facilities for the renewal of the screen glass has always been recognized. If the top corners of the screen frame be held by means of metal-thread screws, the unfastening of these releases the side channels without disturbing the top tube.

The glass should be bedded tightly with rubber in its metal channel. Glass is not always made exactly to its stated dimensions, consequently the thickness of rubber required varies. Inferior packings, such as paper should be avoided.

If the glass be not held by a frame along its bottom edge, or if the top channel be also a lifting member, because the handle is fastened to it, the glass is stuck with gold size or other dependable adhesive.

When windscreen or window fittings are ordered, the body framework should be measured to ascer tam n whether it be parallel or otherwise. All glass measurements and finish should be checked so that due allowance is made for the thickness of the metal and rubber channelling.

The position of notched corners should be marked and instructions given as to polished edges. With a windscreen that is not rectangular in outline, a template is usually desirable.

The hinged coach door registers with the body pillar where the lock is fitted by means of rubber buffers. TheSe buffers hold the door firmly and silently. If, in course of time, the buffer becomes worn, it is easily replaced by a new one, but an adjustment of the old one is often possible.

A circular buffer, if worn flat on one side, is turned around so as to present a new surface of the original radius, or a wedge-shaped buffer is moved forward so that a wider section becomes available.

In order to bring a rear-entrance bus up to date, it may be decided to add an off-side exit immediately behind the front bulkhead. To do this an existing window opening with the framework and panelling below it are to be removed and replaced by a hinged door.

The adjacent seats and lining boards are removed, also all window gear. The outside panel is cut along the line of the standing pillar, or it is cut so that a lip projects, which is afterwards turned and secured inwards against the pillar.

The various rails which now cross the proposed doorway are cut away. The end grain of these rails is concealed by a strip of wood or metal. The floor is marked for the stepwell and the necessary floorboards marked and cut to shape.

The first stage in making the door is to prepare a full-size wood pattern from either of the existing body pillars of the new door opening. This pattern is made of pine about in. thick and on it is marked the position of the door top, waist rail, glass rest and door bottom.

Thus the pattern is a guide not only for marking out the two door pillars, but it is also utilized to mark out each pillar when cut for the various joints of the door framework.

The door opening is measured end after the finished thickness of the pillars is known, the shoulders +of the tenons of the door rails are scribed on the timber in order to ensure the correct width of door when it is assembled.

Passengers who use a bus service regularly , have no occasion to read fare or route boards, so long as there are no alterations, but occasional visitors to a district require guidance. The owner should consider their needs and prevent them from boarding the wrong bus.

Therefore, it may, be decided to add small and large route boards to the sides of the bus. The boards

are detachable so that the points on the route always read in their appropriate direction, owing to the fact that the boards are written on both sides. The mounting of these boards must be of compact design for Vehicles of maximum width, in order to keep within the legal limit.

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