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Shibaura Diesel Engine
Operation Manuals
E673L
S773L
N843
N843L
N844L
N844L-T
Supported by
Hustler Turf Equipment Company
and
Excel Industries, Inc.
109821_0508 1
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2 109821_0508
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FOREWORD The IHI Shibaura Machinery Corporation (ISM) industrial diesel engines are a product of ISM's long years of experience, advanced technology. Shibaura takes great pride in the superior durability and operating economy of these engines. In order to get the fullest use and benefit from your industrial engine, it is important that you operate and maintain it correctly. This Manual is designed to help you do this. Please read this Manual carefully and follow its operating and maintenance re
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FEDERAL and CALIFORNIA EMISSIONS WARRANTY WARRANTY STATEMENT IHI Shibaura Machinery Corporation (ISM) warrants that your 2004 and later non-road diesel engine was designed, built and equipped to conform to applicable U.S. Environmental Protection Agency (EPA) and California Air Resources Board (CARB) regulations and is free from defects in materials and workmanship which cause it to fail to conform with such regulations, for the following period of operation: ● For a period of two (2) years or 1
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TABLE OF CONTENTS Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Engine external views Engine main parts nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 General information 3.1 Engine data and specifications. . . . . . . . . . . . . . . . . . . . . . . . .7 ISM engine after service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Fuel, lubricant and coolant 5.1 Fuel. . . .
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In the caution area, we tell you about something that can 1. Safety damage your engine or equipment. Many times, this damage would not be covered by your warranty, and it could be costly. Introduction But the caution will tell you what to do to help avoid the dam- This Operation Manual contains the information you will age. need to operate the engine correctly. Check that you have the correct Operation Manual for your engine. 2. Engine external views Read the book carefully before operating or s
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3. General Information 3.1.Engine data and specifications Model Name E673L S773L N843 N843L N844L N844L-T Engine Type Four cycle, water-cooled, in-line overhead valve type Combustion type Swirl chamber No.of cylinder-bore×stroke (mm) 3 - 67×72 3 - 77×81 3 - 84×90 3 - 84×100 4 - 84×100 4 - 84×100 Engine displacement (L) 0.761 1.131 1.496 1.662 2.216 2.216 Compression ratio 23.5 23.5 22.5 22.5 22.5 22.5 16.5hp/3000 24.7hp/3000 29.4hp/2600 32.6hp/2600 44.9hp/2600 54.7hp/2600 (12.3kW/3000) (
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Number 1-D and Number 2-D). This blended fuel is usually 5. Fuel, Lubricant & Coolant called Number 2-D also, but can be used in colder tempera- tures than Number 2-D fuel which has not been "winterized". 5.1 Fuel Check with the service station operator to be sure you get the properly blended fuel. (1) Fuel Selection Note that diesel fuel may foam during a fill-up. This can The following specific characteristics are required for the cause the automatic pump nozzle to shut off even though your
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If fungus or bacteria has caused fuel system problems, you (1) Engine Oil Selection should have your authorized dealer correct these problems. Then, use a diesel fuel biocide to sterilize the fuel system (fol- Quality better than CD grade by API classification engine low the biocide manufacturer's instructions). Biocides are oil must be used for the Shibaura engines. available from your dealer, service stations, parts stores and other automotive places. See your authorized dealer for (2) Oil V
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5.3 Coolant ● Drain oil to the max. oil level if oil level is above the max. level mark. Use 50/50 mix Ethylene Glycol and water for coolant and ● Add oil to the max. oil level if oil level is below the replace it periodically. (Refer to section 8.2) min. level mark. 3. Also check the sample oil on the dipstick for fouling and degrees of viscosity. 6. Engine Operation CAUTION: Oil level check must be made ten or twenty minutes after the engine has been stopped. Engine Exhaust Gas Caution When
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1. When the belt is depressed about 5 mm (0.197 in) with Pour oil slowly to prevent the thumb (about 50 N (11 lb) pressure) at midway oil from flowing into the between the fan pulley and alternator pulley, the belt ten- air intake manifold sion is correct. When the belt tension is too high, it will result in alterna- tor failure. Also, a loose belt will cause belt slippage which may result in damaged belt and abnormal noise. 2. Check the belts. Replace them if any damage is found. CAUTION: Repl
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(5) Battery Cable Connection Check the battery cable connections for looseness or cor- rosion. A loose cable connection will result in hard engine starting or insufficient battery charge. The battery cables must be tightened securely. Never reverse "+" and "-" terminals when reconnecting cables. Even a short period of reverse connection will damage the electrical parts. 6.2 Engine Starting (1) Preparation before starting 1. Make sure that all hydraulic control levers etc. on the (6) Battery Elec
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● The type with an indicator light, 10 seconds are The exhaust smoke color after engine warming-up and at required until the indicator light at the instrument panel no load operation: goes off. Colorless or 2. Turn the starter key clockwise to the “START” position light blue . . . . . .Normal (Perfect combustion) as soon as the indication lamp goes off. Black color . . . . . . .Abnormal (Imperfect combustion) White color. . . . . . .Abnormal (Imperfect combustion) (3) Engine Starting CAUTIO
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(2) Coolant Temperature If no steam or engine coolant can be seen or heard, open the engine access cover. If the engine coolant is boiling, wait until it stops before proceeding. Look at the see-through The engine performance is adversely affected if engine reserve tank. The engine coolant level should be between the coolant temperature is too hot or too cold. "MAX" and "MIN" marks on the reserve tank. If necessary, The normal coolant temperature is 75 to 90°C (167 to pour engine coolant int
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(5) Abnormal Engine Noise 6.8 Starting the Engine After Being Left Unused For A Long Period of Time Pay attention to the noise from the engine or other related parts, confirming normal operating noise. When the equipment is left unused for "more than three months" without running the engine, conduct a thorough inspection of the vehicle before starting the engine. (6) Check the Exhaust Color After starting the engine, be sure to warm it up for more than ten minutes at idling. Check exhaust color
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CAUTION: Drain the used engine oil into an Pour oil slowly to prevent approved oil container. Dispose of used oil prop- oil from flowing into the erly. air intake manifold 2 Oil Fill 1 1. Oil filter 2. Oil filler cap 3. Oil sump 4. Drain plug 4 3 Oil filter element removal Use a filter wrench to remove the cartridge type oil filter. Oil filter Oil Fill N843 & N843L Loosen Tighten Oil filter element installation 1. Apply light coat of engine oil to the O-ring. 2. Turn in new cartridge until its
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When changing the engine oil, add the exact amount 7.2 Cooling System specified in the engine owner’s manual. NOTE: Use CD grade or better by API classification (1) Fan Belt Tension Adjustment engine oil. MODELS N843 & N843L ONLY — Add oil at the oil Adjust fan belt tension when belt becomes loose and when fill shown. the belts are replaced. (Refer to Belt Tension section below) When changing the engine oil, add the exact amount specified in the engine owner’s manual. WARNING: To help avoid in
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Loosen Filling with coolant 1. Close or tighten the coolant drain plug. Using a 50/50 mixture of Ethylene Glycol and water (Refer to section 8.2) fill the radiator with the coolant Alternator until the level comes up to the filler port neck. 2. Fill gradually to prevent air entry. Coolant volume (Engine only) : (3) Coolant Change Refer to "Main Data Specifications" 3. After filling operate the engine about five minutes at a The coolant must be changed at intervals of 6 months. low idle speed to
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CAUTION: If the cup is removed without turning the lever as instructed, the fuel may flow out. 2. Loosen the ring nut, remove the cup, and take out the ele- ment. 3. Clean the cup, install a new element, and install new packing on the ring nut. 4. Tighten the cup to the body securely with the ring nut. 5. After installation, turn the fuel filter lever to the open position. WARNING: 1. With the fuel lever in the “OFF” position, the Procedure: engine cannot be started. 1. Turn the fuel lever to
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Follow the equipment manufacturer's recommendation for intervals. Loose connections will cause hard engine starting or insuf- ficient battery charging. If the terminals are excessively corroded, disconnect the battery cables and polish them with a wire brush or sandpaper. Never reverse the "+" and "-" terminals when reconnecting the cables. Even a short period of reverse connection could damage the electrical system. Cleaning of Battery Clean the battery with clean water or tepid water and wipe
