“SUN” SERVICE STATION

Sun (Auckland), Volume IV, Issue 994, 10 June 1930, Page 6

“SUN” SERVICE STATION

rpHB “ilotordora- section of Th» Hun includes In “• , sarv '" to . re f ( ? “ A Queries and Answers Department, the object of accurate intormaUon regarding mechanical and tourlng troubles ever the particular puzzle may be in either diagnosing tndtat =, or experts in their respective lon9 m ust be accompanled oy the muulrer-a name and r^ ,Ca «mi a d nd TnU'e° r JKLr *SZ& In this column.

“Generator." —The generator on ray 1924 Dodge charges seven amps at to m.p.h., daylight running. At 30 rn.p.h. an hourlt discharges. Can you tell me the cause of this, and the remedy ■' * * • The charging: rate at 23 m.p.h. is normal. The discharge of current at higher speeds is probably caused by a faulty cut-out, which requires adjustment or repairs. r.M.C. —1 am compelled to lay up ray car in the garage for three months. I am opposed to the battery being placed in storage with a service station, therefore it will remain in the garage. Will you kindly advise what I shall do to prevent serious injury to the battery the balloon tyres, or any mechanism or the car? Thanking you in anticipation. Give the battery a full charge and disconnect wires to prevent loss of charge through a leak in the wiring. Before the battery is used again it should be given another full charge. By using two jacks you can lift the weight of the car off the tyres, and stack bricks or wood blocks under the axles to bear the weight while the vehicle is stored. Pour about an eighth of a pint of engine oil into each cylinder through the spark-plug orifice. Empty the petrol tank. Put a thin coating of vaseline over any bright metal that might rust. Before using again lubricate all chassis bearings, dynamo, distributor and fan bearings, to replace oil which may have dropped away. J.0.M. —1 have recently purchased a second-hand Chevrolet late 1928 model, and have great trouble in starting. This occurred even when the weather was warm. X had a new ignition coil put in, which made no difference. Strainers have been cleaned, spark plugs are 0.K., and the petrol works through all right. Mechanics have looked at all parts, but cannot find the trouble. The battery has been tested. After the motor has been started, the first time, it responds immediately to the starter the rest of the day. With the spark retarded, and someone else with their foot on the starter, I am just about able to crank her. The timing has been checked, and mixture cut down. Could you suggest a remedy? # * * The difficulty you experience in starting your Chevrolet may be due to any of the following causes: (1) Battery partially discharged and not sup-

plying sufficient spark when the starter is'operating. l2) Too heavy oil being used in transmission, thereby causing a heavy drag on the starter. (3) tteafe spark at spark-plugs; plugs should be adjusted to -03 in. (4) Choke being used excessively. (5) Incorrect carburettor adjustment. (6) Valves incorrectly adjusted and holding open; clearance should be of ,006 in. intake, and .OOSin. exhaust when engine is hot. (< > * alve sticking. (S) Valve springs weak (9) Compression weak. (10) Distributor contact points pitted or incorrectly adjusted; clearance should be .OLin to .025 in. (11) Ignition timing incorrect; spark should occur at 25 degrees before upper dead centre on the compression stroke with the spark lever in the fully advanced position. (12) Leaks in intake manifold, possibly due to faulty gaskets or the manifolds not being sufficiently tight. A.V.A. —What are the importation duties on British motor-cycles into New Zealand? If a motor-cycle was bought in London from a motor-cycle agent, could the machine be claimed by the Auckland agent for that machine on its arrival until all fees had been paid? * * * Dutv on British motor-cycles is 10 per cent., plus 2 per cent, primage, but in addition there are charges for freight, exchange, insurance, bills of lading, customs entries, clearing house charges, wharfage, and so on, of approximately 33 1-3 per cent., making the total landing charges probably 45 to 50 per cent, over the English invoice cost. If a machine was bought from a London agent, he would require cash with order. If bought from a manufacturer, it would come through the local agent at New Zealand retail price.