RESTORING HISTORY ONE CAR AT A TIME

1930

LENGTH OF BUMPER BARS CHANGED

Bumper bar A-17757-C has been obsoleted. When calls are received for this part after present stocks are exhausted, supply bumper bar A-17757-D. This bar is approximately 21⁄2 inch shorter than the A-17757-C design. (See Fig. 963.) Due to the difference in length it will be necessary when replacing A-17757-C with A-17757-D to furnish the A-17757-D …

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CHANGE IN SHOCK ABSORBER NEEDLE VALVE

Shock absorber needle valve stem A-18037-A (above the thread) has been increased 1/16” in diameter and the head of the valve stem changed from a square to a hex head. Increasing the thickness of the stem, strengthens needle valve and lessens any possibility of twisting.

VALVE SPRING DESIGN CHANGED

A-6513-Al valve spring has been obsoleted. The new valve spring A-6513-A2 can be easily distinguished from the old design as the free length of the new spring is 2 15/16”; the free length of the old spring is 3” 7/16. In addition the new spring has 11 left hand coils whereas the old spring had …

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Winter Electrical Troubles

Winter electrical troubles are principally due to the effect of cold weather on the electrolyte in the battery, and failure on the part of mechanics to correctly adjust the generator charging rate in owners’ cars to meet the conditions under which the cars are operating. Cold weather battery and bulb troubles can be. considerably lessened …

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Model A Replace Model T Batteries

Model “T” batteries T-7668-A(without electrolyte) and T-7670-A (with electrolyte) have been obsoleted. When calls are received for this part supply the present design Model “A” battery and two T-8844-CR battery clamps (see Fig. 1008). Model “A” batteries can be used for replacement of a T-7670 batteries when T-8844-CR clamps are furnished. When supplying a Model …

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.005 O.S. PISTON RINGS

The following oversize piston rings have been released for service. These are in addition to the .010, .020 and .030″ oversize piston rings that have been available for some time. A-6150-BR piston ring .005″ oversize, 1⁄8” wide. A-6152-BR piston oil control ring .005″ oversize, 1⁄8”wide. A-6153-BR piston oil control ring .005″ oversize, 5/32” wide.

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