Raplaca if necessary and regap to specification. In reossembly, use same thickness of gaskets and shims to establish the correct end play for the tapered main roller bearings. As a precautionary measure, disconnect groundbattery terminal whencharging battery in vehicle. If necessary, add enough oil to bring level up to the full mark. Which Manual Do I Need? The governor is provided as a means for controlling the engine speed to suit the load applied, and also as a safety measure to guard against excessive speeds, which not only overstrain all working parts, but which might cause wrecking of the engine and possible injury to bystanders. First, remove the screen over the flywheel air intake opening by taking out the screws holding the screen in place.
. The oil filtering cartridge should be replaced after every other oil change. . The engine will develop at least 95% of maximum horsepower when friction is reduced to a minimum. To remedy this condition, remove the sparkplugs andpour about a fluid ounce of crankcase oil through the spark plug hole into each cylinder.
If it does not, the advance arm clamp screw should be loosened as shown in Fig. Two main troubles resulting from abruptly shutting off a hot engine are vapor lock and dieseling. The housing bearing should receive additional grease every fifty hours of operation. This must be kept dry. Next, remove the spark plug from No. Insert the end of a small screw driver into the coils of rocker arm spring 12 and remove.
Replaceregulator module, --static checkregulator per Test No. The gasoline should have an octane rating of at least 90. Check hose connections for leaks or breaks; replace all b~ken or damaged hose clamps. Blowout all passagesin throttle body and fuel bowlwith reduced air pressure. Read instructions on this air cleaner regarding its care. Before wasting a lot of time on it, I would do compression checks on all the cylinders.
First remove cylinder head covers and the screw,,; mounting the flywheel shroud to the lower cylinder shrouds and cylinder heat deflectors; then remove the screws holding the flywheel shroud to gear cover. Air vent hole in fuel tank cap plugged. It's good it has a starter. The friction in new engines cannot be reduced to the ultimate minimum during the regular block test, but engines are guaranteed to develop at least 85 per cent of maximum power when shipped from the factory. . Avoid sparks near carefully battery - gas given off by battery is explosive. Also, the impulse coupling automatically retards the spark for starting, thus eliminating possible kick back from engine while cranking.
Scrape off all carbon deposits that might interfere with removal of pistons from upper end of cylinder. By idling the engine for a few minutes the carbon and lead deposits cool off, break up, and will blow out thru the exhaust. Lacquerthinner is an ideal cleaner for this purpose. If there is a weak spark, or none at all, check breaker point. Checkoil level every 8 hours of operation.
It is written in the language of a mechanic and may include valuable detailed information such as specifications, torques, ranges, etc. It is especiallyimportant that the cap andplugwiresbe in goodcondition,free of oil, greaseandr. We had one old time mechanic when I was growing up, and my dad who usually worked on the carburators, mags, distributors and such. If this does not occur, the engine should be turned over one revolution so that the fuel pump drive cam will be rotated from its upper position which prevents movement of the pump rocker arm. Shell bearing rods are now being used for current production engines, and are interchangeable with babbitt bearing rods for service replacement.
Assemble spark plugs and compression should be satisfactory. In reassembly, tighten gear cover capscrews, 16 - 18foot pounds torque. Pulled the crank out and then sent it to a machine shop to have the straight crank cut to the tapper for the Bobcat drive. In selecting the venturi size, the smallest size that will permit full power development should be used. Remove clutch or clutch reduction unit if engine is equipped with either of these accessories.
Fuel Valve Needle ~ Seat Assembly -- Replace as a completeunit. Be sure all carbondepositshave been removedfrom throttle bore and idle discharge holes. I would pull the plugs for sure and turn the thing over by hand to make sure the cylinders were clear. Also be sure to put oil to the proper level in the air cleaner. Crankcase assembly includes items 12-14, 16, 19; and oil filler neck and screen, oil header tube, oil spray nozzles and dipstick, and tube adapter for oil filler side of engine. Examine leads for broken or loose connections, and make sure modules are securely mounted.
The metering well which completely surrounds tlhe discharge jet is in the center of the fuel bowl assembly. Never make adjustments on machinery while it is connected to the engine,withoutfirst removing the ignition cablefromthe sparkplug. Clean head thoroughly with kerosene or diesel fuel and a fine brush. If the engine is running below 2000 R. . Sparkplugs shouldbe inspectedat frequentintervals, the size of the gap should be carefully checked and adjusted and the plugs thoroughly cleaned.