Related Manuals for Wisconsin Air Cooled TRA-10D
Summary of Contents for Wisconsin Air Cooled TRA-10D
- Page 1 W I S C O N S I N HEAVY DUTY ENGINES INSTRUCTION BOOK AND PARTS LIST MODELS TRA-10D, TR-10D ISSUE MM-320-C WORLD’S LARGEST BUILDERS OF HEAVY DUTY AIR COOLED ENGINES...
- Page 2 When writing the factory ALWAYS GIVE THE MODEL AND SERIAL NUMBER of engine referred to. Extra copies of this manual are $1.00 each. WISCONSIN MOTOR CORPORATION MILWAUKEE, WISCONSIN 532466...
- Page 3 BOOK OF INSTRUCTIONS WISCONSIN SINGLE CYLNDER ENGINES MODEL TRA-10D 3-1/8” Bore – 2-7/8” Stroke 22.05 cu. In. Displacement MODEL TR-10D 3-1/8” Bore – 2-5/8” Stroke 20.2 cu. In. Displacement WISCONSIN MOTOR CORPORATION Milwaukee, Wisconsin 53246, U. S. A. MI-935-2...
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Page 4: Safety Precautions
A listing of approved Wisconsin service stations appears in the back of this manual. WISCONSIN heavy duty air cooled engines are of the most advanced design and are built in a modern factory, equipped with the latest machinery available. -
Page 5: Table Of Contents
INDEX PAGE PAGE Air Cleaner ............. Governor - Description ......... Governor - Operation .......... Battery Ignition ..........Breaker Point Adjustment ......Horsepower ............Ignition (Description) ........... Breather – Crankcase ........Ignition Spark ............Carburetor – Adjustment ....... Carburetor Repair – See Manufacturer’s Bulletin Lubrication ............ -
Page 6: Engine Illustration
Fig. 1 289860C TAKE-OFF (rear) and LEFT HAND SIDE VIEW of ENGINE MI-937-2... - Page 7 FAN END (front) and RIGHT HAND SIDE VIEW of ENGINE MI-938-2...
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Page 8: Cross Section Of Engine
SECTIONAL VIEWS OF ENGINE MI-939-2... -
Page 9: Compression Release
GENERAL DESIGN ROTATION The rotation of the crankshaft is clockwise when Wisconsin engines are of the four cycle type, in which viewing the flywheel or starting end of the engine. each of the four operations of suction, compression, This gives counter-clockwise rotation at the power expansion and exhaust constitutes a complete stroke. -
Page 10: Fuel
Wisconsin engines. We plainly state that these grades of Mobil- STARTING oils are listed because of their recognized quality and world-wide distribution. -
Page 11: Carburetor - Adjustment
cause wrecking of the engine and possible injury to bystanders. All parts of the engine are designed to safely with- stand any speeds which might normally be required, but it must be remembered that the stresses set up in rotating parts increase with the square of the speed. That means that if the speed is doubled, the stresses will be quadrupled, and if the speeds are trebled, the stresses will be nine times as great. -
Page 12: Air Cleaner
idle adjustment is for smooth low speed operation and would cause oil leaks at the seals, gaskets and this adjustment, if necessary, must be made with the breaker box. Keep complete breather system free from carburetor throttle lever closed. dirt, and replace reed if it becomes damaged. For further information on the carburetor, see the Oil in breaker box is the direct result of faulty Zenith operating and service instructions in the rear... -
Page 13: Battery Ignition
If there is evidence light, as illustrated in Fig. 12, is more accurate and of pitting or pyramiding and it becomes necessary to advisable. The timing light is Wisconsin Motor part resurface or replace point, it will also be necessary number DF-81-S1. -
Page 14: Magneto Service Instructions
Fig. 12 287044C-1 Since breaker arm operates at half engine speed, MAGNETO SERVICE INSTRUCTIONS it is necessary to line up flywheel timing mark with pointer, while engine is on compression If engine will not start or if it is hard to start and stroke. -
Page 15: Electrical Equipment Wiring Circuits And Motor-Generator
Fig. 14. This type direction. ignition system has always been wired negative ELECTRICAL EQUIPMENT ground. Battery is not furnished by Wisconsin Motor Corporation. ELECTRICAL WIRING CIRCUITS NOTE: Beginning with engine serial No. 3989524, MOTOR-GENERATOR OPERATING INSTRUCTIONS... -
Page 16: Compression - Restoring
Use a new spark plug at the beginning of the next season. Replacement plug must be the correct heat range, like Champion No. D-16J, AC No. C86 com- mercial or equal. Thread size is 18mm. Use a new gasket when mounting wither old or new plug and thoroughly clean threads in cylinder head before installation. -
Page 17: Compression
lated during the storage period. Dirt or gum holding float needle valve in carburetor open. This condition would be indicated if fuel con- Be sure to fill the crankcase with a good qual- tinues to drip from carburetor with engine standing ity of crankcase oil to the high level mark before idle. -
Page 18: Disassembly And Reassembly
Spark plug wet or dirty. ENGINE KNOCKS Spark plug point gap wrong. See Page 14. Poor grade of gasoline or of low octane rating. Condensation on spark plug electrodes. Engine operating under heavy load at low speed. Breaker points pitted or fused. Carbon or lead deposits in cylinder head. -
Page 19: Carburetor And Air Cleaner
ances between the various operating parts. DRAIN OIL FROM CRANKCASE BEFORE DISASSEMLY ACCESSORIES Remove muffler and disconnect ignition wire from spark plug. If engine is to be completely overhauled, remove all accessories. On engines equipped with a combination motor-genera- tor; disconnect wires and adjusting strap at the genera- tor. -
Page 20: Valves And Seat Insert
The exhaust valve seat insert can be removed when replacement becomes necessary, by means of Wisconsin Motor DF-66-A insert puller. See Fig. 23. Grinding of valves and seats should be done by an authorized Wisconsin service station. See directory in rear of manual. -
Page 21: Flywheel
FLYWHEEL (Fig’s. 27 and 28) Place a 1-1/2” box or socket wrench on to flywheel nut and give the wrench a sharp blow with a soft ham- mer. Do not remove nut, simply unscrew it flush with end of shaft. Use a knock-off type puller to loosen flywheel. -
Page 22: Connecting Rod And Piston
In reassembly, mount flywheel immediately after crank- shaft is mounted; be sure woodruff key is in position on shaft. Do not drive flywheel on to taper of crank- shaft and do not overtighten flywheel nut. Simply turn nut until lockwasher collapses. Then, after end play is set, (see End Play paragraph) tighten flywheel nut by placing wrench on nut and giving handle of wrench 1 or 2 sharp blows with a soft hammer. -
Page 23: Piston, Ring And Rod Clearance Chart
two arrows are on the same side. Turn crankshaft to lower end of stroke and tap piston down until rod con- tacts crank pin. The oil dipper in Model TRA-10D is an integral part of the connecting rod cap, whereas the Model TR-10D has a sheet metal dipper that must be mounted so that the connecting rod bolts are accessible from the open end of the crankcase. -
Page 24: Breaker Push Pin And Bushing
as shown in Fig. 35. Spread ring only far enough to the two marked teeth on the crankshaft gear. See Fig. slip over piston and into correct groove, being care- If valve timing is off, engine will not function ful not to distort ring. The word ‘top’, stamped on the properly or may not run at all. -
Page 25: Crankshaft
If in the opinion of the service station attendant, a In reassembly: Use new gasket and shims having the chrome re-ring is necessary, use Wisconsin TriChrome same total thickness of those removed. piston ring set indicated in Parts List Section. -
Page 26: Engine Speed
against the spring and closes the throttle to a point refer to Governor Lever Chart, Fig. 45, for all TRA-10D where the engine speed will be maintained practically engines and if this change is pertinent to your TR-10D constant under varying load conditions. This speed engine. -
Page 27: Parts List Section
Approved engine service stations, located throughout the U.S. and foreign countries, have been care- fully selected by the WISCONSIN MOTOR CORPORATION in order to assure complete and efficient repair and inspection service to owners of Wisconsin Air Cooled Engines. These service stations, equipped and trained for complete engine repair, also stock parts to facilitate immediate delivery for all Wisconsin Air Cooled Engines. - Page 29 PARTS FOR ENGINE MODELS TRA-10D AND TR-10D...
- Page 30 PARTS FOR ENGINE MODELS TRA-10D AND TR-10D...
- Page 31 PARTS FOR ENGINE MODELS TRA-10D AND TR-10D...
- Page 41 This will unhook the diaphragm from the link (9) so it restored to its normal efficiency by the installation of a can be removed. Wisconsin Motor No. LQ-28 repair kit. 9. Clean the mounting bracket (11) with gasoline and fine 1. Remove the fuel lines and the two mounting bolts wire brush.
- Page 42 L-63 Series ZENITH 68-7 SERIES CARBURETOR Wisconsin Motor Corporation Part No. L-63 Series The Zenith 68-7 Series carburetor is of an up-draft single venturi sage. The fuel travels through this channel to the idle jet cali- design with a 1" S.A.E. barrel size and a 7/8" S.A.E. flange.
- Page 43 located in the air entrance and operated externally by a lever or flooding of the engine. The mixture required for starting is mounted on the shaft. The choke valve is used to restrict the air considerably richer than that needed to develop power at normal entering the carburetor.
- Page 45 Warranty, statutory or otherwise, is limited to the replacement or repair at our Milwaukee, Wisconsin factory, or at a point designated by us, of such part as shall appear to us, upon in- spection at such point, to have been defective in material and workmanship.
- Page 46 WISCONSIN MOTOR CORPORATION MILWAUKEE, WISCONSIN 532466 PRINTED IN U.S.A.
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