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Shibaura E673L - page 1
109821_0508 1 Shibaura Diesel Engine Operation Man uals E673L S773L N843 N843L N844L N844L-T Suppor ted b y Hustler T urf Equipment Compan y and Excel Industries, Inc. ...
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Shibaura E673L - page 2
2 109821_0508 ...
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Shibaura E673L - page 3
109821_0508 3 FOREW ORD The IHI Shibaura Machinery Co rporation (ISM) industrial di es el engines are a product of ISM's long years of experience, advanced technology . Shibaura takes gr eat pride in the superior durability an d operating economy of these engines. In order to get the ful lest use and benefit from your industrial engine, it is ...
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Shibaura E673L - page 4
4 109821_0508 FEDERAL and CALIFORNIA EMISSIONS W ARRANTY W ARRANTY ST A TEMENT IHI Shibaura Machinery Co rporation (ISM) warrants that your 2004 and later non-road diesel engine was designed, built and equipped to conform to ap plicable U.S. Environmental Prot ection Agency (EP A) and California Air Resources Board (CARB) regulations and is free fr ...
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Shibaura E673L - page 5
109821_0508 5 T ABLE OF CONTENTS Saf ety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Engine e xternal views Engine main par ts nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 General inf or mation 3.1 Engine data and specifications . . . . . . . . . . . . ...
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Shibaura E673L - page 6
6 109821_0508 1 1 2 1 6 7 5 4 3 8 9 10 11 12 1. Safety Introd uction This Operation Manual contains the information you will need to operate the engine corr ectly . Check that you have the correct Operation Manual for your engine. Read the book carefully before operating or servicing the engine. Incorrect operation or servicing of the engine could ...
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Shibaura E673L - page 7
109821_0508 7 3. General Inf ormation 3.1.Engine dat a and specificat ions NOTE: 1. The specifications above are subject to partial changes without notice. 2. Asterisked (*) items may vary depending on the typ e of equipmen t in which the engine is installed. 4. Shibaura Engine Service (1) Shibaura Engin e Aft er Ser vice Please feel free to contac ...
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Shibaura E673L - page 8
8 109821_0508 5. Fuel, Lubricant & Coolant 5.1 Fuel (1) Fuel Select ion The following specific character istics are required for the diesel fuel. 1. Must be free from minute dust particles. 2. Must have adequate viscosity . 3. Must have high cetane value. 4. Must have high fluidity at low temp eratu re. 5. Must have low sulfur content. 6. Must ...
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Shibaura E673L - page 9
109821_0508 9 ᧩᧯᧬ഒ ᧩᧮᧬ഒ ᧩᧭᧱ഒ ᧬ഒ ᧭᧱ഒ ᧮᧱ഒ ᧯᧬ഒ ᧩᧮᧮ᨂ (-4F) ᧤᧱ᨂ᧥ ᧤᧯᧮ᨂ᧥ ᧤᧱᧵ᨂ᧥ ᧤᧳᧳ᨂ᧥ ᧤᧴᧲ᨂ᧥ FIG-1 MULTI GRADE AMBIENT TEMPERATURE ENGINE OIL VISCOSITY GRADE AMBIENT TEMPERATURE SINGLE GRADE 6$(: 6$(: 6$( 6$( ...
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Shibaura E673L - page 10
10 109821_0508 5.3 Coolant Use 50/50 mix Ethylene Glycol and water for coolant and replace it periodically . (Refer to section 8.2) 6. Engine Operation Engine Exhaust Gas Caution (Carbon Mono xide) WA R N I N G : Do not breathe exhaust gas because it contains carbon monox ide, which by itself has no color or odor . C arbon monoxide is a dangerous g ...
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Shibaura E673L - page 11
109821_0508 11 CA UTION: If the engine oil is splashed on the fan drive belt, it causes belt slippage or slackness; therefore, take care to avoid it. WA R N I N G : In adding oi l, take care not to sp ill it. If you spill oil on engine or equipm ent, wipe it properly , or this could lead to a fire and the risk of personal injury and/or equipment da ...
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Shibaura E673L - page 12
12 109821_0508 (5) Batter y 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 char ge. The battery cables must be tightened securely . Never reverse "+" and "-" te rminals when reconnecting cables. Even a short p ...
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Shibaura E673L - page 13
109821_0508 13 ● The type with an indicat or light, 10 seconds are required until the ind icator light at the instrument panel goes off. 2. T urn the starter key clockw ise to the “ST AR T” position as soon as the indication lamp go es off. (3) Engine Star ting 1. Depress the engine throttle lever or throt tle pedal and turn the starter key c ...
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Shibaura E673L - page 14
14 109821_0508 (2) Coolant T emperature The engine performance is adversely affected if engine coolant temperature is too hot or too cold. The normal coolant temperat ure is 75 to 90°C (167 to 194°F). Overheating WA R N I N G : If the Engine Coolant T emperature Gage shows an overheat condition or you have other reason to suspect the engine may b ...
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Shibaura E673L - page 15
109821_0508 15 (5) Abnormal Engine Noise Pay attention to the noise from the engine or other relat ed parts, confirming normal operating noise. (6) Check the Exhaust Color Check exhaust color as li sted in Section 6.3(2)3. (7) Electrical Sys t em Don't turn the key to th e “O FF” position while engine is under load or at full rpm. This may ...
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Shibaura E673L - page 16
16 109821_0508 CA UTION: Drain the used en gine oil into an approved oil container . Dispose of used oil prop- erly . Oil filter el ement remov al Use a filter wrench to remove the cartridge type oil filter . Oil filter el ement installat ion 1. Apply light coat of engine oil to the O-ring. 2. T urn in new cartridge until its sealed face comes in c ...
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Shibaura E673L - page 17
109821_0508 17 When changing the engine oil, add the exact amount specified in the engine owner ’ s manual. NO TE: Use CD grade or better by API classification engine oil. MODELS N843 & N843L ONL Y — Add oil at the oi l fill shown. When changing the engine oil, add the exact amount specified in the engine owner ’ s manual. Use CD grade or ...
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Shibaura E673L - page 18
18 109821_0508 (3) Coolant Chang e The coolant must be changed at int e rval s of 6 months. Degraded or dirty coolant will lead to engine overheating. Coolant draining 1. Remove the radiator cap. Open the drain cock at the radi ator lower part to drain the coolant from the radiator . WA R N I N G : Never remove the radiator filler cap while the eng ...
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Shibaura E673L - page 19
109821_0508 19 Proce dure: 1. T urn the fuel lever to the closed position until it stops to shut off the fuel. 2. Loosen the ring nut, remove the cup together w ith the element, and drain the fuel. 3. Clean the cup, install the el ement and tighten to the filter body with the ring nut. 4. T urn the fuel filter lever to t he open position until it s ...
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Shibaura E673L - page 20
20 109821_0508 Specific gravity of the bat teries The battery charge condition is judged by the electrolyte specific gravity measurement. Periodically measure the electro lyte grav ity of the b atter- ies. For the internal check foll ow the equipment manufac- turer's standard. The relationship between the electrolyte specific gravity and the b ...
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Shibaura E673L - page 21
109821_0508 21 (2) V alve Cleara nce Adjustment The valve clearance must be adjusted every 1000 operat- ing hours, or whenever the valv e rocker is abnormally noisy , or if there is an engine malf unction and the fuel system is working properly . V alve clearance : 0.20 mm (0. 008 in) (When the engine is cold.) Adjustment Pr ocedur e 1. Bring No. 1 ...
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Shibaura E673L - page 22
22 109821_0508 (5) Starter and Alternator Servicing Service the starter and alternator every 1000 hours of oper- ation. Do the following: 1. Starter commutator cleaning 2. Alternator slip ring cleaning 3. Carbon brushes and the brush contact check (6) Radiato r Pressurization V alve Check A pressurization valve is inco rporated in the radiator cap ...
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Shibaura E673L - page 23
109821_0508 23 9. Engine Maintenance Schedule When performing the following items, the daily inspectio n it e ms sh ou l d also be carried out. * This is a recommended maintenan ce. The failure to perfo rm this ma intenance it em will n ot nulli fy the emi ssion warran ty or limit recall liability prior to the completion engine us eful life. Shibau ...
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Shibaura E673L - page 24
24 109821_0508 NO TE: 1. The service intervals after 1000 operat ion hours should also be made every 100 operation hours in accordance with this check and maintenance schedule. 2. When the servicing on the asterisked ( * ) it ems are necessary , consul t the equipment supplier . Explanation of Mainte nance Schedule The following is a brief explan a ...
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Shibaura E673L - page 25
109821_0508 25 15. Coolant replacement Use 50/ 50 anti-freeze and water mixture. 16. Radiat or external According to the equipment m anuf acture's specification. (ref erence: every 500 hours) cleaning 17. Cool ing system flushing Flush the cooling system circuit every 2000 hours 18. Radiator filling cap function check Check radiat or pressure ...
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Shibaura E673L - page 26
26 109821_0508 Engine doe s not s t a rt. S t a rter doe s not t u rn. S t a rter t u rn s bu t engine doe s not s t a rt. B a ttery di s ch a rged. Loo s e c ab le connection s . S t a rter or s t a rter s witch f a il u re. Engine s t a rt s bu t s t a ll s immedi a tely. Sa fety rel a y f a il u re. No f u el injection. F u el i s injected bu t ...
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Shibaura E673L - page 27
109821_0508 27 Unstable engine running Unstable low idling Too high low idling speed. Incorrect control lever adjustment. Incorrect control lever adjustment. Crack in injection pipe. Governor internal malfunction. Injection nozzle failure. Engine stop lever restricted at stop position. Uneven compression pressure between cylinders . Engine hunting ...
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Shibaura E673L - page 28
109821_0508 28 Low oil pre ssu re L a ck of oil Improper oil High l ub ric a ting oil temper a t u re Oll le a k a ge Wrong s election of Over he a t L a rge oil con su mption. kind a nd vi s co s ity. Clogged filter a nd s tr a iner. Worn b e a ring s a nd oil p u mp. F au lty relief v a lve. L a ck of power Incorrect injection p u mp a dj us tmen ...
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Shibaura E673L - page 29
109821_0508 29 Condition Cause Remed y Too much engine oil. Check and adjust the quantity. Too low viscosity of engine oil. Check and change. Improper fuel. Flush & change oil Improper injection timing. See dealer Engine oil burning or detonation. See dealer Overload. Reduce the load Clogged air cleaner. Check and change. Improper fuel. Check a ...
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Shibaura E673L - page 30
30 109821_0508 All informatio n, illustrations and specifications contained in this manual are based on the late st product info rmation availabl e at the time of publication. The right is reserved to make changes at any time wit hout notice. OPERA TION MANU AL (INDUSTRIAL) E673L S773L N843 N843L N844L N844L-T Issued by IHI Shibaura M achinery Corp ...
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