Detroit Diesel V 71 Series Operator'S Manual Download

Page: 1 / 174

Detroit Diesel

V-71 Operators Manual

Summary of Contents for V 71 Series

Page 1: ...Detroit Diesel 2ngines V 71 Operators Manual ...

Page 2: ...lize from this investment is your personal safety It should be remembered however that power driven equipment is only as safe as the man who is at the controls You are urged as the operator of this diesel engine to keep your fingers and clothing away from the revolving V belts gears blower fan drive shafts etc An accident can be prevented with your help ...

Page 3: ...Detmit Qiesel Division of General Motors Corporation Detrolt Michigan 48228 Printed i n U S A 0 1978 General Motors Corp ...

Page 4: ...cialized equipment and personnel with technical knowledge to provide skilled and efficient workmanship The operator should familiarize himself thoroughly with the contents of the manual before running an engine making adjustments or carrying out maintenance procedures The information specifications and illustrations in this publication are based on the information in effect at the time of approval...

Page 5: ... Coolants 71 E N G I N E T U N E U P P R O C E D U R E S Engine Tune Up Procedures Exhaust Valve Clearance Adjustment 11 Timing Fuel Injector Limiting Speed Mechanical Governor Adjustment 6 8 and 12V t L i m i t i n g S p e e d M e c h a n i c a l G o v e r n o r A d j u s t m e n t 1 6 V Limiting Speed Mechanical Governor Past Idle Cylinder Variable Speed Mechanical Governor Adjustment 6 8 and 12...

Page 6: ...unidirectional flow of air toward the exhaust valves produces a scavenging effect leaving the cylinders full of clean air when the piston again covers the inlet ports As the piston exhaust valves subjected to compression continues on the upward stroke the close and the charge of fresh air is compression as shown in Fig 1 Shortly before the piston reaches its highest position the required amount of...

Page 7: ...s fuel is returned to the supply tank via the return fuel manifolds and connecting lines Since fuel is constantly circulating through the injectors it serves to cool the injectors and carry off any air in the fuel system Air for scavenging and combustion is supplied by a blower s which pumps air into the engine cylinders via the air box and cylinder liner ports All air entering the blower s first ...

Page 8: ...NGEMENTS Rotation L left and R right designates rotation viewed from the front of the engine Type A B C D designates location of starter and oil coolor as viewed from the rear flywheel end Cylinder Bank Loft and right cylinder banks ore dotwmined from rear of engine DRIVE SHAFT ROTATION 7242 0200 LEFT HAND 7242 9200 RIGHT HAND Drive shaft rotation shaft rotation on multiple units is determined fro...

Page 9: ...L 3R 11750 4L 5R 6L 4R 2L 6R 8L 2R Fig 3 V 71 Cylinder Designation and Firing Order 6V 8V 12v 16V Type 2 Cycle 2 Cycle 2 Cycle 2 Cycle Number of Cylinders 8 12 16 Bore inches 4 25 4 25 4 25 4 25 Bore mm 108 108 108 108 Stroke inches 5 5 5 5 Stroke mm 127 127 127 127 Compression Ratio Nominal Standard Engines 17 to 1 17 to 1 17 to 1 17 to 1 Compression Ratio Nominal N Engines 18 7 to 1 Total Displa...

Page 10: ... The information on these name plates should be included when ordering parts for these assemblies Fig 4 Typical Engine Serial Number and Model Number as Stamped on Cylinder Block The Built In Parts Book is a photo etched alumi num plate that fits into a holding channel an the engine valve rocker cover and contains the necessary information required when ordering parts It is recommended that the en...

Page 11: ...DETROIT DIESEL escription Page 9 ...

Page 12: ...Descriptiosl DETROIT DIESEL I 2 W ...

Page 13: ...DETROIT DIESEL Description Typical Fan to Flywheel Unit 6V Typical Industrial Torque Converter Unit 8V Page 11 ...

Page 14: ...Description DETROIT DIESEL Typical Marine Propulsion Engine 12V Typical Fan to Flywheel Engine 16V Page 12 ...

Page 15: ...ve may be installed between the fuel strainer and the source of supply as optional equipment to prevent fuel drain back when the engine is not running Fuel Injector The fuel injector combines in a single unit all of the parts necessary to provide complete and independent fuel injection at each cylinder The injector creates the high pressure necessary for fuel injection meters the proper amount of ...

Page 16: ...ilter Do not tighten the injector clamp bolt to more than 20 25 lb ft 27 34 Nm torque as this may cause the moving parts of the injector to bind Tighten the rocker shaft bolts to 90 100 lb ft 122 136 Nm torque Align the fuel pipes and connect them to the injector and the fuel connectors Use socket J 8932 01 and a torque wrench to tighten the fuel pipe nuts to 12 15 lb ft 16 20 Nm torque NOTE Do no...

Page 17: ...ked in clean fuel oil over the stud and push it down on the seat Close the drain cock and fill the shell approximately two thirds full with clean fuel oil 5 Affix a new shell gasket place the shell and element into position under the cover and start the cover nut on the shell stud 6 Tighten the cover nut only enough to prevent fuel leakage 7 Remove the plug in the strainer or filter cover and fill...

Page 18: ...ent with fuel oil as in Step 2 4 Start the engine Check the filter and strainer for leaks NOTE In some instances it may be necessary to remove a valve rocker cover and loosen a fuel pipe nut in order to bleed trapped air from the fuel system Be sure the fuel pipe is retightened securely before replacing the rocker cover Primer J 5956 may be used to prime the entire fuel system Remove the filler pl...

Page 19: ...n air to the element and also controls the amount of oil in circulation and meters the oil to the element The oil cup supports the inner cup and is a reservoir for oil and a settling chamber for dirt Service the light duty oil bath air cleaner Fig 6 as follows 1 Loosen the wing bolt and remove the air cleaner assembly from the air inlet housing The cleaner may then be separated into two sections t...

Page 20: ...er filter and enters the engine Some air cleaners are equipped with an indicator which will aid in determining the servicing requirements Service the dry type air cleaner as follows 1 Loosen the wing bolt and remove the air cleaner assembly from the air inlet housing 2 Detach the cover and wing bolt and remove the element Then empty and wipe the dust cup clean 3 Clean the filter element as follows...

Page 21: ...ible the air cleaner should be cleaned and r INLET TUBE PRIMARY CHAMBER I Fig 9 Flow of Air Through Filter Element Segment EXHAUST GAS ASPIRATORS Fig 10 Typical Dry Type Air Cleaner Mounting the indicator reset by pushing the plunger all the way up and then releasing it Service The first stage centrifugal air cleaner tends to be self cleaning due to the action of the exhaust gas aspirator However ...

Page 22: ...ge the blower assembly Fig 11 Silencer Assembly AIR BOX DRAINS Fig 12 Air Box Drains In normal operation a slight amount of vapor from the air condenses and settles at the bottom of the air box This condensation is drained through air box drain tubes Fig 12 which direct the expelled air and vapor down and away from the engine Air box drains must be open at all times otherwise water and oil may acc...

Page 23: ...bearing bulkhead of the crankcase which connects to a chamber Two crimped steel mesh breather pads which cover the openings Fig 13 filter out the oil as the vapors pass into the chamber Fig 14 Typical Mounting of Breather Assemly on Valve Rocker Cover A breather pipe is pressed into or flange mounted on top of the cylinder block to provide an exit for the crankcase vapors Some engines have an addi...

Page 24: ...housing from the camshaft and idler gear bearings The blower drive gear is lubricated from the rear of the blower The oil pump on the 6 and 8V engines is driven by a pump drive hub on the front end of the crankshaft and consists of a large and small spur gear meshing in a cavity inside the crankshaft cover The gear type oil pump used on the 12 and 16V engines is mounted on the main bearing caps Th...

Page 25: ...ing Systems the vertical oil galleries When the oil pressure at the regulator valve s exceeds 50 psi 345 kPa the valve s open and discharge the excess oil to the sump Oil Filters Engines are equipped with a full flow type lubricating oil filter Hf additional filtering is required a by pass Page 2 ...

Page 26: ... bled off the oil gallery when the engine is running Eventually all of the oil passes through the filter filtering out minute foreign particles that may be present All of the oil supplied to the engine passes through the full flow filter that removes the larger foreign particles without restricting the normal flow of oil Some engines may be equipped with a by pass filter assembly consisting of two...

Page 27: ... detached as an assembly after removing the center stud from the base Discard the gasket 3 Clean the filter base 4 Discard the used element wipe out the filter shell and install a new element on the center stud 5 Place a new gasket in the filter base position the shell and element assembly on the gasket and tighten the center stud carefully to prevent damaging the gasket or center stud 6 Install t...

Page 28: ...ower portion of the radiator by the water pump and is forced through the EBWOIT DIESEL oil cooler housing and into the cylinder block From the cylinder block the coolant passes up through the cylinder heads and when the engine is at normal operating temperature through the thermostat hous ings and into the upper portion of the radiator Then the coolant passes down a series of tubes where the coola...

Page 29: ...m the coolant is drawn by the fresh water pump from the keel cooler and is forced through the engine oil cooler cylinder block cylinder heads exhaust manifolds and to the thermostat housings A by pass tube from the thermostat housings to the inlet side of the water pump permits circulation of coolant through the engine while the thermostats are closed When the thermostats open the coolant can flow...

Page 30: ...reezing weather is expected drain all units not adequately protected by antifreeze Leave all drain cocks open until refilling the cooling system Marine engine exhaust manifolds are cooled by the same coolant used in the engine Whenever the engine cooling system is drained open the exhaust manifold drain cocks Raw water pumps are drained by loosening the cover attaching screws and tapping the cover...

Page 31: ...er through the radiator core from the bottom to the top during this operation Miscellaneous Cooling System Checks In addition to the above cleaning procedures the other components of the cooling system should be checked periodically to keep the engine operating at peak efficiency The cooling system hoses thermostats and radiator pressure cap should be checked and replaced if found to be defective ...

Page 32: ...eusable care should be exercised to prevent damage to the splined surfaces 4 Inspect the bond between the neoprene and the metal of the impeller Check the impeller blades If they have a permanent set a new impeller should be used If the impeller area which rides on the wear plate is damaged the impeller should be replaced 5 Insert two wires each with a hook at one end between the housing and seal ...

Page 33: ...gine the ammeter should register a high charge rate at rated engine speed This is the rate of charge received by the battery to replenish the current used to start the engine As the engine continues to operate the ammeter should show a decline in charge rate to the battery The ammeter will not show zero charge rate since the regulator voltage is set higher than the battery voltage The small curren...

Page 34: ...e engine by cutting off the air supply and thus stopping the engine The device consists of a shutdown valve mounted in the air shutdown housing and a suitable operating mechanism Fig 2 The air shut off valve is retained in the open position by a latch A wire or cable assembly is used to trip the latch Pulling the emergency shutdown knob all the way out will stop the engine After the engine stops t...

Page 35: ...mechanism and stop the engine Also if the engine loses its coolant the copper plug will be heated up by the hot exhaust gases passing over it and cause the temperature sensing valve to open and actuate the shutdown mechanism Whenever the engine speed exceeds the overspeed governor setting the oil in the line flows to the sump resulting in a decrease in oil pressure The oil pressure bellows then re...

Page 36: ...temperature sensing valve NOPE If a premature engine shutdown occurs check the copper plug A spring and plunger assembly are used with the current type plug to provide an unobstructed flow of coolant over the temperature sensing valve element The temperature sensing valve can be bench tested by attaching an air hose 40 psi or 276 kPa air supply to the oil inlet side and installing a tube from the ...

Page 37: ... is de energized under normal operating conditions When the engine is started one oil pressure switch opens when the oil pressure reaches approximately 5 psi 35 kPa and the fuel oil pressure switch closes at approximately 20 psi 138 kPa fuel pressure As the engine speed increases the second oil pressure switch opens at approximately 27 psi 186 kPa and at 1000 1100 rpm the No 1 switch in the oversp...

Page 38: ...conds required to heat the hot wire relay provides sufficient delay to avoid an engine shut down when low oil pressure is caused by a temporary condition such as an air bubble or a temporary overlap in the operation of the oil pressure switch and the fuel oil pressure switch when starting or stopping the engine Depending upon the particular shutdown system used the high water temperature switch ma...

Page 39: ... to open the electrical circuit before the decreasing oil pressure can activate the alarm system On 16V 71 engines coolant protection is also obtained through an exhaust probe and adaptor assembly and a temperature switch In this system the engine coolant is circulated around the switch power element to prevent the switch from being activated by the heat transfer from the exhaust probe Therefore a...

Page 40: ...used to energize the starting motor Release the switch immediately after the engine starts Starting Motor The electric starting motor has an overrunning clutch drive or a Bendix drive assembly Bendix drive starters are generally used on applications where automatic starting is required such as standby generator sets The overrunning clutch drive starters have the solenoid mounted on the starter and...

Page 41: ...ine equipped with an insulated starting motor check to be sure that a ground strap is present and is correctly installed Regulator A regulator is incorporated in the electrical system to regulate the voltage and current output of the battery charging alternator and to help maintain a fully charged storage battery Storage Battery The lead acid storage battery is an electrochemical device for conver...

Page 42: ...h a sliding piercing shaft operates A tube leads from the capsule container to the hand operated pump and another tube leads to the atomizing nozzle threaded into a tapped hole in the air inlet housing The capsule container should be mounted in a vertical position and away from any heat Start the engine using the fluid starting aid as follows 1 Remove the threaded cap and insert a fluid capsule in...

Page 43: ...the valve around the pusher pin under the gasket with a few drops of oil 2 Lubricate the actuator cable 3 Actuate the valve with the cable to distribute the oil on the cable and allow the oil to run down through the valve 4 Remove any dirt from the orifice by removing the air inlet housing fitting the orifice block and the screen Then blow air through the orifice end only 5 Assemble and tighten th...

Page 44: ...pilot valve plunger to lubricate the moving parts in the governor housing Oil which collects on the floor of the governor housing drains into the drive housing thus providing lubrication for the drive and driven shafts and their bearings If the engine should fail to supply oil to the governor the power piston will drop allowing the fuel rod to return to the no fuel position thus the hydraulic gove...

Page 45: ...e clutch is properly adjusted a heavy pressure is required at the outer end of the hand lever to move the throwout linkage to the over center or locked position Adjust the 8 1l l 2 and 14 diameter clutches as follows 1 Disengage the clutch with the hand lever 2 Remove the inspection hole cover to expose the clutch adjusting ring 3 Rotate the clutch if necessary to bring the clutch adjusting ring l...

Page 46: ... the table These specifications apply only with the hand lever which is furnished with the power take off A suitable spring scale may be used to check the pounds pressure required to engage the clutch However a more accurate method of checking the clutch adjustment is with a torque wrench as shown in Fig 14 To fabricate an adaptor saw the serrated end off of a clutch hand lever and weld a l l 18 n...

Page 47: ...complete hydraulic system The oil pressure ranges for the marine gear at forward operating speed are 130 155 psi 896 1068 kPa and 110 150 psi 758 1034 kPa in reverse The average operating oil temperature is 200 F 93 C in forward and a maximum of 250 F 12 1 C in reverse When the engine is in operation the moving parts of the marine reverse gear are pressure lubricated while the reduction gear assem...

Page 48: ... point where the multi disc clutch plates slip Further movement of the valve increases the slippage This permits very low propeller speeds necessary for some fishing operations The entire oil spill from the trolling valve in dropping the pressure is directed through the plates of the forward TWIN DISC MARINE GEAR 3 Remove the bolt from the flywheel 4 Remove and save the jam nut and replace the bol...

Page 49: ...il instead of through gears and in addition to multiplying the torque also acts as a fluid coupling between the engine and the equipment to be powered The converter will automatically adjust the output torque to load requirements There are various combinations of Torqmatic converters with features such as an automotive or industrial flange on the shaft a hydraulically operated lock up clutch a man...

Page 50: ...storage may be insufficient for proper lubrication when the engine is started for the first time It is recommended that the engine lubricating system be charged with a pressure prelubricator set to supply a minimum of 25 psi 172 kPa oil pressure to ensure an immediate flow of oil to all bearings at the initial engine start up The oil supply line should be attached to the engine so that oil under p...

Page 51: ... at all fittings with an all purpose grease Apply lubricating oil to the throttle linkage and other moving parts and fill the hinged cap oilers with a hand oiler Drive Belts Adjust all drive belts as recommended under Lubrication and Preventive Maintenance Storage Battery Check the battery The top should be clean and dry the terminals tight and protected with a coat of petroleum jelly and the elec...

Page 52: ...arm up before applying a load If the unit is operating in a closed room start the room ventilating fan or open the windows as weather conditions permit so ample air is available for the engine Inspection While the engine is running at operating temperature check for coolant fuel or lubricating oil leaks Tighten the line connections where necessary to stop leaks Engine Temperature Normal engine coo...

Page 53: ...r heat exchanger inlet 210 F 99 C maximum Normal operating range desired 140 180 F 60 82 C minimum continuous duty t Sump or heat exchanger inlet 225O F 107 C maximum intermittent permissoble in pleasure craft TABLE 1 Twin Disc Marine Gear Operating Conditions Avoid Unnecessary Engine Idling During long engine idling periods the engine coolant temperature will fall below the normal operating range...

Page 54: ...ary to bring it to the proper level on the dipsticks Transmission Check and if necessary replenish the oil supply in the transmission Clean Engine Clean and check the engine thoroughly to make certain it will be ready for the next run Refer to Lubrication and Preventive Maintenance and perform all of the daily maintenance operations Also perform the operations required for the number of hours or m...

Page 55: ...ake sure the power generator set has been cleared of all tools or other objects which might interfere with its operation INSTRUCTIONS STARTING If the generator set is operated in a closed space start the ventilating fan or open the doors and windows as weather permits to supply ample air to the engine The engine may require the use of a cold weather starting aid if the ambient temperature is below...

Page 56: ... interval turn the circuit breaker control to the on position This places the incoming set on the line with no load The proper share of the existing load must now be placed on this set PARALLELING If the load conditions require an additional set to be placed on the line the following instructions will apply to power generator sets of equal capacity with one set in operation on the line 1 Prepare t...

Page 57: ...per cent of the total current load 1 Turn off all the load on the generator when stopping a single engine unit Shift the load from the generator when taking a set out of parallel operation by turning the vernier throttle knob 17 Fig 1 until the ammeter 11 reads approximately zero 2 Place the circuit breaker control 10 in the ofs position 10 Rotate the voltage regulator rheostat control 4 on the in...

Page 58: ...new or stored engines carry out instructions given under Preparation for Starting Engine First Time under Operating Instructions The time intervals given in the chart on the following page are actual operating hours or miles of an engine If the lubricating oil is drained immediately after an engine has been run for some time most of the sediment will be in suspension and therefore will drain readi...

Page 59: ...Preventive aintenance DETROIT DIESEL LUBRICATION AND PREVENTIVE MAINTENANCE CHART See items on following pages Twin Disc Marine Gear t Allison Torqmatic Marine Gear Page 58 ...

Page 60: ...s be started with 150 hour oil change periods The oil drain intervals may be extended if supported by used oil analysis refer to Lubricating Oil SpeciJications Item 2 Install new oil filter elements and gaskets at a maximum of 500 hours or each time the engine oil is changed whichever occurs first When the engine is equipped with a turbocharger 1 Disconnect the oil inlet supply line at the bearing...

Page 61: ... to Engine Coolant With the use of a proper antifreeze or rust inhibitor this interval may be lengthened until normally this cleaning is done only item 5 Items 6 and 7 in the spring or fall The length of this interval will however depend upon an inspection for rust or other deposits on the internal walls of the cooling system When a thorough cleaning of the cooling system is required it should be ...

Page 62: ...mum Select the proper grade of fuel in accordance with the Diesel Fuel Oil SpeciJications Open the drain at the bottom of the fuel tank every 500 hours or 15 000 miles 24 140 km to drain off any water or sediment Item 9 Install new elements every 300 hours or 9 000 miles 14 484 km or when plugging is indicated A method of determining when elements are plugged to the extent that they should be chan...

Page 63: ...lace the element in the dry type air cleaner when the restriction indicator instrument indicates high restriction or when a water manometer Item 10 Item 11 reading at the air inlet housing indicates the maximum allowable air inlet restriction refer to the Air Inlet Restriction chart in the Trouble Shooting item 12 Page 62 ...

Page 64: ... the engine oil is changed Item 13 Inspect the blower screen and gasket assemblies if used every 1 000 hours or 30 000 miles 42 280 km and if necessary clean the screens in fuel oil and dry them with compressed air Reinstall the screen and gasket assemblies with the screen side of the assemblies toward the blower Inspect for evidence of blower seal leakage Item 14 The electrical starting motor is ...

Page 65: ...s or 3 000 miles 4 828 km In warm weather however it should be checked more frequently due to a more rapid loss of water from the electrolyte The electrolyte level should be maintained in accordance with the battery manufac turer s recommendations Item 17 Lubricate the tachometer drive every 100 hours or 3 000 miles 4 828 km with an all purpose grease at the grease fitting At temperatures above 30...

Page 66: ...e thumb at a point midway between the two pulleys will depress the belt l 2 to 3 4 I If belt tension gage BT 33 73FA or equivalent is available adjust the belt tension as outlined in Table 2 NOTE When installing or adjusting an acces sory drive belt be sure the bolt at the accessory adjusting pivot point is properly tightened as well as the bolt in the adjusting slot Adjust Poly V Fan Belt 16V 71 ...

Page 67: ...k the fan bearing hub assembly with the above recommended grease At a major engine overhaul remove and discard the bearings in the fan hub assembly Pack the hub Item 25 assembly using new bearings with Texaco Premium RB grease or an equivalent Lithium base multi purpose grease item 23 Check the shutdown system every 300 operating hours or each month to be sure it will function when needed Item 24 ...

Page 68: ...low the horizontal center line and add fluid until the overflow point is reached Replace the inspection plug NOTE Use only the manufacturer s Special 20 Cenistroke fluid The fan drive bearing should be lubricated with a medium consistency silicone grease Dow Corning No 44 or equivalent The bearing is lubricated through a grease fitting in the drive housing hub item 27 The power generator requires ...

Page 69: ... speeds and bearing loads It may be necessary to lubricate this bearing more often than every 50 hours Lubricate the front power take off clutch pilot ball bearing through the fitting in the outer end of the drive shaft every 50 hours One or two strokes with a grease gun should be sufficient Remove the inspection hole cover and lubricate the clutch release levers and link pins sparingly every 500 ...

Page 70: ... in neutral and the engine running at idle speed Add oil as required to bring it to the proper level on the dipstick Use oil of the same heavy duty grade and viscosity that is used in the engine Drain the oil every 200 hours and flush the gear with light engine oil NOTE Series 3 oil should not be used in the marine gear When refilling after an oil drain bring the oil up to the proper level on the ...

Page 71: ... the fitting in the outer end of the drive shaft every 50 hours One or two strokes with a grease gun should be sufficient Remove the inspection hole cover and oil the clutch release levers and link pins sparingly every 500 hours Lubricate the clutch release shaft through the grease fittings on the front of the housing every 500 hours Item 32 REDUCTION GEAR 24V and 32V The oil level in the reductio...

Page 72: ...Federal Specification VV F 800 Residual fuels and furnace oils generally are not considered satisfactory for Detroit Diesel engines In some regions however fuel suppliers may distribute one fuel that is marketed as either diesel fuel ASTM D 975 or domestic heating fuel ASTM D 396 sometimes identified as furnace oil In this case the fuel should be investigated to determine whether the properties co...

Page 73: ...sed on used oil sample analysis and experience and proper filter maintenance will provide the best assurance of satisfactory oil performance Detroit Diesel Allison lubricant recommendations are based on general experience with current lubricants of various types and give consideration to the commer cial lubricants presently available RECOMMENDATION Detroit Diesel engines have given optimum perform...

Page 74: ...0 or 40 oils ENGINE OIL CLASSlFlCATlON SYSTEM The American Petroleum Institute API the Society of Automotive Engineers SAE and the 4merican Society for Testing and Materials ASTM jointly have devel oped the present commercial system for designating and identifying motor oil classifications The table below shows a cross reference of current commercial and military lube oil identification and specif...

Page 75: ...ehicles or at each oil change period whichever occurs first For all other applications the filter should be replaced at a maximum of 500 hours or at each oil change period whichever occurs first By Pass Filters Auxiliary by pass lube oil filteis are not required on Detroit Diesel engines PUBLICATION AVAILABLE SHOWING COMMERCIAL BRAND NAME LUBRICANTS A list of brand name lubricants distributed by t...

Page 76: ...efore water selected as a coolant must be properly treated with inhibitors to control corrosion and scale deposition To determine if a particular water is suitable for use as a coolant when properly inhibited the following characteristics must be considered the concentration of chlorides sulfates total hardness and dissolved solids Chlorides and or sulfates tend to accelerate corrosion while hardn...

Page 77: ...ample l 1 4 of soluble oil in the cooling system increases fire deck temperatures 6 and a 2 l 2 concentration raises fire deck temperature up to 15 Soluble oil is not recommended as a corrosion inhibitor Non Chromates Non chromate inhibitors borates nitrates nitrites etc provide corrosion protection in the cooling system with the basic advantage that they can be used with either water or a water a...

Page 78: ...Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non chromate Non Chromate Non Chromate Non Chromate No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes...

Page 79: ... de scaler Ethylene glycol base antifreeze is recommended for use in Series 71 Detroit Diesel engines Methyl alcohol antifreeze is not recommended because of its effect on the non metallic components of the cooling system and because of its low boiling point The inhibitors in permanent type antifreeze should be replenished at approximately 500 hour or 20 000 mile intervals with a non chromate inhi...

Page 80: ...nt type antifreeze 6 Re inhibit antifreeze with a recommended non chromate inhibitor system 7 Do not use a chromate inhibitor with permanent type antifreeze 8 Do not use methoxy propanol base antifreeze in Detroit Diesel engines 9 Do not mix ethylene glycol base antifreeze with methoxy propanol base antifreeze in the cooling system 10 Do not use an antifreeze containing sealer additives 11 Do not ...

Page 81: ...ly made while the engine is stopped it may be necessary to run the engine between adjustments to maintain normal operating temperature NOTE The exhaust valve bridges on the four valve cylinder head are adjusted at the time the cylinder head is installed on the engine and until wear occurs no further adjustment is required When wear is evident perform a complete valve bridge adjustment as outlined ...

Page 82: ...ngine parts during the engine warm up period This will ensure a valve setting that is close enough to the specified clearance to prevent damage to the valves when the engine is started VALVE CYLINDER HEADS IMPORTANT If a wrench is used on the crankshaft or camshaft bolt at the front of the engine do not turn the engine in a left hand direction of rotation as the bolt will be loosened 4 Loosen the ...

Page 83: ...it in a vise Hold the screw from turning with a screw driver and tighten the lock nut on the adjustment screw Complete the operation by tightening the lock nut with a torque wrench to 25 lb ft 34 Nm being sure that the screw does not turn 7 Lubricate the bridge guide and the bridge pilot with engine oil 8 Reinstall the bridge in its original position 9 Place a OO 15 feeler gage under each end of t...

Page 84: ...s particularly important when making the final valve clearance adjustment If the engine is allowed to cool off before setting any of the valves the clearance when running at full load may become insufficient 1 With the engine at normal operating temperature 160 185 F or 71 85 C recheck the exhaust valve clearance with feeler gage J 9708 At this time if the valve clearance is correct the O13 feeler...

Page 85: ...se 1 484 timing gage J1242 when engine has advanced camshaft timing Correct to standard camshaft timing and 1 460 injector timing at first opportunity to be consistent with current production build Fig 4 Timing Fuel Injector Use 1 460 timing gage J 1853 when engine has standard camshaft timing Correct to advanced camshaft timing and 1 484 injector timing at first opportunity NOTE Advanced camshaft...

Page 86: ...ngine governor 1 Remove the high speed spring retainer cover 2 Back out the buffer screw until it extends approximately 5 8 from the lock nut Fig 10 3 Start the engine and loosen the idle speed adjusting screw lock nut Then adjust the idle screw to obtain the desired engine idle speed Hold the screw and tighten the lock nut to hold the adjustment NOTE Current limiting speed governors used in turbo...

Page 87: ...el position The letters R and L indicate the injector location in the right or left cylinder bank viewed from the rear of the engine The cylinders are numbered starting at the front of the engine on each cylinder bank Adjust the No 1L injector rack control lever first to establish a guide for adjusting the remaining injector rack control levers 1 Disconnect any linkage attached to the governor con...

Page 88: ...placing the governor linkage and control tube assembly in the same position that they will attain while the engine is running at full load 7 To be sure of the proper rack adjustment hold the speed control lever in the maximum speed position and press down on the injector rack with a screw driver or finger tip and note the rotating movement of the injector control rack Fig 4 Hold the speed control ...

Page 89: ...pins from the fuel rod at the injector control tube levers hold the left bank injector control racks in the full fuel position by means of the lever on the end of the control tube and proceed as follows On current spring loaded injector control tubes a Tighten the adjusting screw of the No 2L injector rack control lever until the injector rack clevis is observed to roll up or an increase in effort...

Page 90: ...3 Return the speed control lever to the idle speed position NOTE Movement of the speed control lever is to take up the clearance in the governor linkage The injector rack clevis to body clear ance can be increased by turning the starting aid screw farther in against the gap adjusting screw or reduced by backing it out IMPORTANT The starting aid screw will be ineffective if the speed control lever ...

Page 91: ... speed position Turn the high speed spring retainer until the engine is operating at the recommended no load speed 3 Hold the high speed spring retainer and tighten the lock nut using spanner wrench J 5345 5 DUAL HIGH SPEED RANGE GOVERNOR After positioning the injector control levers set the maximum engine speeds NOTE Be sure the buffer screw or fast idle air cylinder projects 5 S from the lock nu...

Page 92: ... maximum speed adjusting screw with the speed control lever held in the maximum speed position until the desired low maximum speed is obtained Turn the screw in to increase or out to decrease the engine speed b Recheck the engine speed and readjust if necessary 3 Check both the high maximum and low maximum engine speeds Make any adjustment that is necessary as outlined in Steps 1 and 2 Adjust Idle...

Page 93: ...e governor speed control lever and stop lever 2 Remove the covers from the governor housing and auxiliary control link housing 3 Disconnect the adjustable link from the lever in the auxiliary control link housing 4 Remove the connecting pin from the auxiliary governor control link lever Fig 1 Governor Mounting Fig 2 Control Link Levers in Position 5 Install gage J 21779 so it extends through the l...

Page 94: ...the engine 6 Check the gap between the low speed spring cap and the high speed spring plunger Fig 3 with a 0015 feeler gage If the gap setting is incorrect reset the gap adjusting screw If the setting is correct the 0015 movement can be seen by placing a few drops of oil into the governor gap and pressing a screw driver against the gap adjusting screw Movement of the cap toward the plunger will fo...

Page 95: ...CTOR CONTROL RACK Fig 5 Checking Rotating Movement of injector Control Rack Fig 6 Checking Injector Control Rack Spring 6 Move the speed control lever to the maximum speed position 7 Hold it with light finger pressure Fig 4 and adjust the No 4R injector rack by turning the inner adjusting screw down until a slight movement of the control tube is observed or a step up in effort to turn the screw dr...

Page 96: ...k control lever and tighten the outer adjusting screw When the settings are correct both injector racks must respond in the same manner on the ball ends of the control levers when the injector control tube lever is held in the full fuel position 13 Position the remaining injector rack control levers on the right front cylinder bank as outlined in Steps 11 and 12 14 Adjust the remaining injector ra...

Page 97: ... gap adjusting screw to keep it from turning and adjust the starting aid screw to obtain the required setting between the shoulder on the injector rack clevis and the injector body Fig 7 The setting is measured at the No 3R injector rack clevis c Check the injector rack clevis to body clearance after performing the following 1 Position the stop lever in the run position 2 Move the speed control le...

Page 98: ...l lever turn the idle speed adjusting screw Fig 9 until the engine is operating approximately 15 rpm below the recom mended idle speed IMPORTANT It may be necessary to use the buffer sdrew to eliminate the engine roll Back Fig 10 Adjusting Buffer Screw out the buffer screw after the idle speed is established to the previous setting 518 NOTE The recommended idle speed is 400 450 rpm but may vary wi...

Page 99: ...linkage is con K 1 OO TRAVEL THROTTLE LOCIKING AIR CYLINDER SHUTDOWN Cylinder I SPRING CYLINDER FOLLOWER PISTON RETURN I PLUtjGER NUT RING SPRING 0 RiNGS 11726 Fig 2 Fast Idle Air Cylinder netted to a yield link so the operator cannot overcome the force of the air cylinder holding the speed control lever in the idle position while the engine is operating at the single fixed high idle speed Operati...

Page 100: ...made adjust the de energized fast idle air cylinder as follows 1 Turn in the fast idle cylinder assembly until an increase of idle speed is noted The increase in idle speed should not exceed I5 rpm Tighten the fast idle jam nut 2 Lock the governor throttle in the idle position and apply full shop air pressure to the fast idle air cylinder The engine idle speed must increase from 325 to 500 rpm f 5...

Page 101: ...ted on the feeler gage 6 Hold the adjusting screw and tighten the lock nut Check the gap again and if necessary readjust 7 Use a new gasket and install the governor cover Tighten the screws Position Injector Rack Control levers The position of the injector control rack levers must be correctly set in relation to the governor Their position determines the amount of fuel injected into each cylinder ...

Page 102: ...ngine is running at full load 5 To be sure of the proper rack adjustment hold the stop lever in the run position and press down on the injector rack with a screw driver or finger tip and note rotating movement of the injector control rack Fig 3 when the stop lever is in the run position Hold the stop lever in the run position and using a screw driver press downward on the injector control rack The...

Page 103: ...p 5 Tighten the screws NOTE Once the No 1L and No 1R injector rack control levers are adjusted do not try to alter their settings All adjustments are made on the remaining control racks 10 When all of the injector rack control levers are adjusted recheck their settings With the control tube lever in the full fuel position check each control rack as in Step 5 All of the control racks must have the ...

Page 104: ...he governor gap If readjustment of the governor gap is required the position of the injector racks must be rechecked NOTE Governor stops are used to limit the compression of the governor spring which determines the maximum speed of the engine Adjust idle Speed With the maximum no load speed properly adjusted adjust the idle speed as follows 1 Place the stop lever in the run position and the speed ...

Page 105: ...the slot of the speed control lever until the center of the bolt is on or slightly over center toward the idle speed position of an imaginary line through the bolt lever shaft and eye bolt Hold the bolt and tighten the lock nut 4 Start the engine and move the speed control lever to the maximum speed position and release it The speed control lever should return to the idle position If it does not r...

Page 106: ...place the auxiliary control link lever will be in the mid travel position 6 Remove the connecting pin from the control link lever in the governor housing and install gage J 21780 I 1 Install the gage so the pin extends through the connecting link control lever and fuel rod and the governor housing dowel pin extends into the small hole in the gage Then install a governor cover bolt as shown in Fig ...

Page 107: ... will result in the following 1 Speed control lever at the maximum speed position 2 Stop lever in the Run position 3 High speed spring plunger is within 005 to 007 of its seat in the governor control housing 4 Injector fuel control racks in the full fuel position The letters R and L indicate the injector location in the right or left cylinder bank viewed from the rear of the engine Cylinders are n...

Page 108: ...screw slightly and tighten the outer adjusting screw slightly 11609 Fig 5 Checking Rotating Movement of Injector Control Rack 1161 SCREWDRIVER II I I INJECTOR CONTROL RACK I Fig 6 Checking injector Control Rack Spring 6 Remove the fuel rod to control tube lever clevis pin from the right front bank fuel rod and install it on the right rear bank fuel rod and adjust the No 5R injector rack as outline...

Page 109: ...vernor Adjustment Full Load stops Shims Speed 1zoo 1 750 2 Up to 325 1750 2100 1 in shims 2 100 2300 0 maximum No load speed is 150 225 rpm above full load speed depending upon engine application TABLE 1 Page 109 Fig 8 Adjusting Buffer Screw not exceed the recommended no load speed as given on the engine option plate set the maximum no load speed as outlined below Start the engine and after it rea...

Page 110: ...he differential lever as lightly as possible and still eliminates engine roll NOTE Do not raise the idle speed more than 15 rpm with the buffer screw 2 Hold the buffer screw from turning and tighten the lock nut _ GOVERNOR BOOSTER Fig 9 Adjusting Booster Spring Adjust Booster Spring With the idle speed adjusted adjust the booster spring as follows 1 Move the speed control lever to the idle speed p...

Page 111: ...t or 122 136 Nm torque Then adjust the load limit device on each cylinder head as follows 1 Loosen the load limit screw lock nut and remove the screw 2 Loosen the load limit lever clamp bolts so the lever is free to turn on the injector rack control tube 3 With the screw out of the plate adjust the load screw lock nut so the bottom of the lock nut is 1 3 4 from the bottom of the load limit screw F...

Page 112: ...nder banks as follows 1 Place the vehicle on a chassis dynamometer and check the maximum wheel horsepower 2 Loosen the power control spring attaching bolts Then adjust both springs until they project parallel to the cylinder heads when the injector control racks are held in the full fuel position Tighten the spring attaching bolts to 7 9 lb ft lo 12 Nm torque to retain the adjustment 3 Set each po...

Page 113: ...ifice plug in the drilled oil passage in the rocker arm shaft bracket Fig 3 As the injector racks are moved toward the no fuel position free movement of the throttle delay piston is assured by air drawn into the cylinder through the ball check valve Further movement of the piston uncovers an opening which permits oil from the reservoir to enter the cylinder and displace the air When the engine is ...

Page 114: ...shutdown shaft in such a way that at its mid travel position it is perpendicular to the solenoid plunger This assures that the linkage will travel as straight as possible The solenoid plunger has available l 2 travel which is more than adequate to move the injector control racks from the full fuel to the complete no fuel position and shutdown will occur prior to attaining complete travel 1 SOLENOI...

Page 115: ... 3 Disconnect the vertical link assembly from the governor operating lever and the bell crank 4 Loosen the bolt and slide the governor operating lever from the serrated shaft 5 Place the bolt removed from the lower end of the vertical link through the bell crank and into the recessed hole in the governor drive housing 6 Adjust the No 1R injector rack by turning the inner adjusting screw down until...

Page 116: ...ent can result in damage to the injector control tube The recommended torque of the adjusting screws is 24 36 in lbs 3 4 Nm 11 Recheck the No 1L injector rack to be sure that it has remained snug on the ball end of the injector rack Fig 4 Linkage Gage in Position control lever while positioning the No 2L injector rack If the rack of the No 1L injector has become loose back off the inner adjusting ...

Page 117: ...rew Then place and retain the governor operating lever in the full fuel position as shown in Fig 7 NOTE Do not overstress the linkage 2 Turn the load limit adjusting screw until a 020 space exists between the fuel rod collar and the terminal lever If the adjustment cannot be made with a feeler gage turn the load limit adjusting screw with the lock nut tight enough to eliminate slack in the threads...

Page 118: ...ted set the speed droop as follows 1 Start the engine and run it at approximately one half the rated no load speed until the lubricating oil temperature stabilizes MINIMUM DROOP SETTING SCREW DROOP ADJUSTING KNOB I MAXIMUM DROOP I Fig 9 External Droop Control on PSG lsochronous Governor NOTE When the engine lubricating oil is cold the governor regulation may be erratic Regulation will become incre...

Page 119: ...g at constant frequency zero droop The incoming unit must have its droop bracket set in the maximum position while it is being paralleled and while operating in parallel When it is desired to stop the unit operating at constant frequency shift the load to the incoming unit and move the governor droop bracket to zero droop Then adjust the outgoing unit to maximum droop remove it from the line and s...

Page 120: ...d of the engine at 8 above the rated full load speed 3 Hold the screw and tighten the lock nut Governors with Synchronizing Motor Some hydraulic governors are equipped with a reversible electric synchronizing motor Fig 11 mounted on the governor cover The adjustments on a governor equipped with a synchronizing motor are the same as on a governor without the motor However the governor cover and mot...

Page 121: ...hen the settings are correct all four of the injector racks will be snug on the ball end of the control levers when the injectors are in the full fuel position 9 To adjust the remaining injector rack control levers L__ _ A 12298 LINKAGE AS VIEWED FROM TOP OF ENGINE Fig 2 Governor to Injector Rack Control Linkage Fig 3 Bolt in Position through Bell Crank Lever on the right front bank hold the 4R in...

Page 122: ... Steps 9 10 and 11 13 Remove the bolt from the recessed hole in the drive housing and install linkage gage J 21304 14 Replace the governor operating lever on the serrated shaft so that the bolt hole is lined up within the proper lines on the gage The type of governor Fig 6 Governor Operating Lever in Position SGX or PSG will determine the proper position of the lever Fig 6 15 Remove the gage 16 Mo...

Page 123: ...art the engine and after the engine reaches normal operating temperature adjust the governor compensa tion needle valve without load on the engine as follows 1 Open the valve Fig 10 two or three turns and allow the engine to hunt or surge for about one half minute to bleed any air which may be trapped in the governor oil passages 2 Gradually close the valve until the hunting just stops Check the a...

Page 124: ...gh stop the engine loosen the droop adjusting screw and move the adjusting bracket IN toward the center of the governor Tighten the screw To increase the speed droop move the bracket OUT away from the center of the governor The speed droop in governors which control engines driving generators in parallel must be identical otherwise the electrical load will not be equally divided Adjust the speed d...

Page 125: ... attained 11 When the desired maximum droop setting is reached loosen the lock nut and turn the maximum SYNCHRONIZING MOTOR MIN DROOP FRICTION ADJ SCREW DROOP ADJ KNOB MAX DROOP 7 SETTING SCREW MAX iPEED ADJ SCREW NEEDLE VALVE 3180 Fig 10 Typical Synchronizing Motor Mounting Fig 11 Adjusting Maximum No Load Engine Speed droop setting screw in until it contacts the droop slider arm Lock the adjusti...

Page 126: ...tor racks will be at the full fuel position when the terminal lever shaft pointer indicates exactly 18O 2 to set the band level so the governor will place the pointer at exactly 18 just below full load speed and 3 to adjust the speed droop idle speed and maximum no load speed Prior to starting the tune up remove the governor control housing cover and turn the buffer screw out until it clears the d...

Page 127: ... holes are in perfect alignment Then install the cotter pin and sub cap Then after adjusting the exhaust valves and timing the injectors position the injector rack control levers adjust the governor linkage and adjust the governor L ____ _ UNKAGE AS VIEWED FROM TOP Cf ENGINE Fig 2 Governor to Injector Rack Control Linkage Positiorn Injector Rack Control Levers and Adjust Govertnor Linkage 1 Clean ...

Page 128: ...rack is sufficiently tight if it returns to its original position when the pressure is removed The rack is too tight if a heavy pressure is required to rotate it Fig 4 Linkage Gage in Position 7 Adjust the 5R 4L and 5L injector rack control levers as outlined in Steps 5 and 6 When the settings are correct all four of the injector racks will be snug on the ball end of the control levers when the in...

Page 129: ...e the speed control lever in the maximum speed position c Reach in behind the differential lever in the governor control housing and force the governor operating lever upward until the governor pointer is aligned exactly with the 18omark Fig 6 Hold the lever in this position Fig 6 Moving Operating Lever Fig 7 Adjusting Speed Droop NOTE It is very important that the force to move the pointer to 18 ...

Page 130: ...e band level or counter clockwise to lower the band level Tighten the lock screw to draw the pivot arm assembly in place Then check the adjustment as described in Step 2 Readjust the band level if necessary CAUTION Turning the band level adjusting nut does not in itself complete the adjustment The lock screw must be tightened to draw the pivot arm assembly into the new position especially if the n...

Page 131: ...ndicates less than 18oat approxi mately 300 rpm below the top no load speed the band level is too high The adjusting nut should be turned countercl wise in smalr increments until the pointer indicates exactly 18 at the above speed If the band level is too high the engine speed may fall several hundred rpm below the top no load speed even though the speed control lever is in the maximum speed posit...

Page 132: ...ing the spring in place with your finger Fig 11 and holding the linkage so the pointer is near the 36 mark install the sub cap Fig 10 Adjusting Band Level assembly Make sure the pin in the speed droop adjusting bracket enters the slot in the floating lever 6 Reset the band level adjustment 7 Reset the idle speed 8 Check the maximum speed 9 Check the engine speed by suddenly moving the speed contro...

Page 133: ...DETROIT DIESEL Engine Tune Up S_UB CAP Fig 12 Loosening Allen Screw on Spring Cage Fig 13 Turning High Speed Adjusting Nut Fig 11 Removing or Installing Governor Sub Cap Assembly Page 133 ...

Page 134: ...sed with the control box the EG B actuator provides in effect two governors in one an electric governor and a centrifugal governor each indepen dently capable of positioning the terminal output shaft During normal operation the electric governor controls fuel to the engine The actuator is adjusted so that if the electric control signal is interrupted the electric section moves the fuel linkage to ...

Page 135: ...rank lever 4 Loosen the clamping bolt and slide the governor operating lever from the governor terminal shaft 5 Place the linkage gage J 22195 over the governor terminal shaft and insert the gage pin in the bell crank lever bolt hole Fig 2 The tang on the side of the gage should just touch the top of the governor drive housing when the gage is properly positioned The gage will hold the injector co...

Page 136: ... tighten the outer adjusting screw When the settings are correct both injector racks will respond in the same manner on the ball end of their respective rack control levers 14 Position the remaining injector rack control levers on the right and left bank cylinder heads as outlined in Step 12 When the settings are correct all of the injector racks will be snug on the ball end of the control levers ...

Page 137: ...djusting screw Fig 5 until the desired speed is obtained Turning the screw counterclockwise will decrease the speed setting Adjust Needle Valve When starting the engine for tht first time eliminate any air which may be trapped in the actuator oil passages as follows 1 Open the needle valve of the centrifugal governor section Fig 6 until the engine hunts or surges After a half minute gradually clos...

Page 138: ...et toward the flyweight end of the actuator will increase the droop Tighten the screw 4 Install the actuator cover and with the engine running adjust the speed until the engine is operating at the desired speed above the rated full load speed 5 Apply the full rated load on the engine and readjust the speed to the correct full load speed 6 Remove the rated load and note the engine speed after it st...

Page 139: ...0 hours The output shaft governor is connected to the engine governor by control rods and levers as illustrated in Fig 1 The control rod end ball joints are sealed assemblies and do not require lubrication Other moving parts of the control linkage should be lubricated with engine oil 4 1 3 8 9 10 5 11 12 12306 1 Governor Engine Governor 13 Spring Governor Lever 18 Lever Spring 2 Governor Output Sh...

Page 140: ...put shaft governor speed adjusting lever is advanced the tension on the speed adjusting spring is increased The force resulting from the increased spring tension is transmitted through the rocker shaft lever and control linkage to the throttle control lever which advances the injector racks Engine speed increases as a result of the increased fuel until the output shaft governor weight force is suf...

Page 141: ...he lever 10 Move the output shaft governor speed adjusting shaft lever to the desired minimum speed position and adjust the minimum speed adjusting bolt to retain the lever 11 Recheck the output shaft maximum and minimum speeds and readjust the position of the speed adjusting bolts if necessary 12 To check the unit for stability as affected by governor speed droop move the speed adjusting shaft le...

Page 142: ...ine governor by control rods and levers Fig 1 The control rod end ball joints are sealed assemblies and do not require lubrication Other moving parts of the control linkage should be lubricated with engine oil constant output shaft speed The output shaft speed will be constant up to full power of the engine except for the amount of governor droop The speed setting of the engine governor must be su...

Page 143: ...the lever in the other direction until the throttle control lever reaches the end of its travel 2 Move the governor operating lever to the maximum speed position against the stop bolt 3 Move the output shaft governor con o1 lever to the full fuel position and retain it by moving the speed control lever to the maximum speed position Then move the output shaft governor lever on the engine governor c...

Page 144: ... speed It will be noted during engine operation that the minimum droop will var y between 150 and 175 rpm If the droop requires adjustment move the droop bracket inside the output shaft governor to decrease or increase the amount of droop Move the output shaft governor speed control lever to the idle speed position and adjust the idle speed by means of the minimum speed limit adjusting screw The m...

Page 145: ...ooling system with clean soft water 2 Refill the cooling system with clean soft water 3 Add a rust inhibitor to the cooling system refer to Corrosion Inhibitor under Cooling System 4 Remove check and recondition the injectors if necessary to make sure they will be ready to operate when the engine is restored to service 5 Reinstall the injectors in the engine time them and adjust the valve clearanc...

Page 146: ... a new filter element Fill the converter to the proper operating level with a commercial preservative oil which meets Government specifications MIL L 2 1260 Grade 1 Oil of this type is available from the major oil companies Start the engine and operate the converter for at least 10 minutes at a minimum of 1000 rpm Engage the clutch then stall the converter to raise the oil temperature to 225 F 107...

Page 147: ... pulleys and the belts 6 Remove the drain plug and drain the preservative oil from the crankcase Reinstall the drain plug Then refer to Lubrication System in the Operating Instruc tions and fill the crankcase to the proper level with the recommended grade of lubricating oil 7 Fill the fuel tank with the fuel specified under Diesel Fuel Oil SpeciJications 8 Close all of the drain cocks and fill the...

Page 148: ... compressor housing and turn the rotating assembly by hand to coat the bearings thrust ring and thrust washer with oil Then fill the oil inlet line with engine oil e Connect the oil inlet line to the top of the center housing Then connect the air inlet tube to the compressor housing 16 After all of the preparations have been completed start the engine The small amount of rust preventive compound w...

Page 149: ......

Page 150: ... turer s plant and in dealer Parts Departments with Master Files and adequate supporting records But what about YOU the user of this equipment You have neither the time nor the inclination to ferret out specific part number data What is the answer It is Detroit Diesel s exclusive BUILT IN PARTS BOOK which is furnished with each engine It takes the form of an Option Plate mounted on the rocker cove...

Page 151: ...cover ON THE LEFT SIDE of the plate is the Start up Inspection Tab which is removed by the dealer when he has completed the inspection NEXT is the type number and the equipment description On the left is the type number The type number designates all service parts applicable to the equipment On the right is a brief description of the equipment Page 151 ...

Page 152: ...r Keel Cooling 5 6000A Raw Water Pump 5 7000A Water Filter 6 0000 EXHAUST SYSTEM 6 lOOOA Exhaust Manifold 6 2000A Exhaust Muffler and or Connections 7 0000 ELECTRICAL INSTRUMENTS 7 lOOOA Battery Charging Generator 7 2OOOB Automatic Starting 1 3000A Starting Motor 7 4000A Instruments 7 4000B Tachometer Drive 7 4OOOC Shut off or Alarm System 7 5OOOA Power Generator 7 6OOOA Control Cabinet 7 7000A Wi...

Page 153: ...del The Index lists all of the Standard and Standard Option equipment for that model NOTE The Distributor Dealer uses his model index to inter pret the standard equipment The plate therefore lists only the non standard or choice items So from the plate give the dealer the A Model No Unit No C Type No If not shown indicate NONE The dealer knows the standard for the model Page 153 ...

Page 154: ...nkshaftCover BalanceWgt Cover Fan CrankshaftPulley H ks Pulley Belt I WaterConnections WaterPumpCover ICI Air Cleaneror Sil OverspeedGovernor Throttle Controls IWaterManrfold II OTHER USEFUL INFORMATION Each fuel and lube oil filter on your engine has a decal giving the service package part number for the element It is advisable to have your own personal record of these part numbers by filling in ...

Page 155: ...DETROIT DIESEL Built In Parts Book NUT NOT SOLD BOLT NOZZLE OIL CONTROL PISTON COMPRESSION J SEPARATELY RINGS c PISTON PIN ONNECTING RO CONNECTING ROD AND PISTON P 6078 1 6110 1 6180 P 1153 Page 155 ...

Page 156: ...UTER CONE LEY PIN INNER CONE BO T W HER VIBRATION DAMPER CRANKSHAFT PULLEY WhATION DAMPER AND HUB P 607A Built In Parts Book DETROIT DIESEL SPACER FRO NT C SEAL BEARING SHELL THRUST WASHE BEARING CAP CRANKSHAFT P 607 ...

Page 157: ...ER LOCK WASHER VALVE OPERATING MECHANISM 4 VALVE NUT ADJUSTING SCREW Cd Cd f f 3 3 EXHAUST VALV E EXHAUST VALV E VALVE SPRING INSERT EXHAUST VALVE P 600A SET SCREW LOCK RING WASHER GEAR BEARING GE xR WEIGHT KEY RETAINER I NUT GEAR 0 LOCK WkSHER SPACER CAMSHAFT AND GEARS P 600 Page 157 ...

Page 158: ...LT DRIVEN ACCESSORY FRONT MOUNTED TYPE P 6098 DRlVE PLATE BEARING GASKET SPACER I BOLT DRIVE SHAFT LOCK WASHER BOI LOCK RING DRIVE PLATE TYPE ACCESSORY DRIVE FOR BELT DRIVEN ACCESSORY I DRIVE PLATE TYPE OIL SEAL IT PULLEY P 609A ACCESSORY DRIVE FOR DIRECT DRIVEN ACCESSORY CAMSHAFT GEAR P 609 Page 158 ...

Page 159: ...UB COUbLlNG LOCK RING KEY DRIVE SHAFT RETAINER N S S I BOLT I PULLEY KEY I NUl ACCESSORY DRIVE FOR BELT DRIVEN ACCESSORY DRIVE DISC COUPLING TYPE P 603A DRIVE LOCK BEARING BEARING HUB WASHER THRljST ACCESSORY GASKET ACCESSORY WASHER DRIVE GEAR DRIVE RETAINER ACCESSORY DRIVE FOR BELT DRIVEN ACCESSORY ACCESSORY GEAR P 603 0 1978 General Motors Corp Page 159 ...

Page 160: ...Built In Parts Book DETROIT DIESEL Non Spring Loaded P 602A CLEWS I PIN RGHT BANK ONTROL TUBE Spring loaded Injector Controls Page 160 ...

Page 161: ...DETRQlT DIESEL Builf In Parts BOOR DOWEL PUMP BODY GASKET DRIVEN GEAR c AND SHAFT GEAR RETAINING BALL SPRING GASKET RELIEF VALVE PIN PLUG TYPICAL FUEL PUMP P 602 Page 161 ...

Page 162: ...c3 GASKET 25 p SEAT ra SEAL a 3 SEAT tQ TYPICAL FUEL OIL STRAINER TYPICAL FUEL OIL FILTER P 601A THERMOSTAT GASKET I THERMOSTAT HOUSING P 601 Page 162 ...

Page 163: ...SEAL EN i BOLT SP ACER ij j END PLATE COUPLING DISC HOUSING BEARING DETROIT DIESEL Built In Parts Book 4INER SUPPORT COVER SPRING SEAT CONNECTOR TACHOMETER DRIVE SHAFT Page 163 BLOWER ...

Page 164: ...Built In Parts Book DETROIT DIESEL PLUG TANK HEAT EXCHANGER 12733 AIR SHUT DOWN AIR SHUT DOWN SCREEN AIR SHUT DOWN HOUSING P 604A 4 VALVE CYLINDER HEAD P 604 Page 164 ...

Page 165: ...PLUG FULL FLOW FILTER P 605ij COVER SCAVENGING DRIVE GEAR DRIVE SHAFT DRIVE GEAR SPACER 1 i i ezZ LZ 8 j 1 BOLT SHIMS DRIVEN SHAFT DRIVEN GEAR LUBRICATING OIL PUMP SCAVENGING PUMP BODY SCAVENGING DRIVEN GEAR P 605A RETAINING PLATE LUBRICATING OIL PUMP 6 P 605 Page 165 ...

Page 166: ...SPRING CLAMP GASKET OIL COOLER ii ADAPTOR P e GASKET PLATE GA T OIL COOLER HOUSING CORE GAS KET I COVER TWIN PLATE OIL COOLER Built In Parts Book DETROIT DIESE P 6088 GASKETS SPRING BII PASS PLUG V 4LVE OIL COOLER HOUSING I OIL COOLER ADAPTOR GAs KET OIL COOLER Page 166 P 608 ...

Page 167: ... SPACER CAP COTTER RETAINING RETAINING BEARING ADJUSTING BOLT 9 SPACER BEARING PULLEY HUB ADJUSTING BRACKET ASSEMBLY SUPPORT BRACKET FAN ASSEMBLY P 610A SUPPORT BRACKET ADJUiTlNG BRACKET ASSEMBLY BAFFLE SHIMS RETAINER HUB CAP BEARiNG FAN MOUNT Page 167 ...

Page 168: ...Built In Parts Book PLUG RETAINING PUMP COVER BEARING BODY ASSEMBLY FRESH WATER PUMP 6 8 12V P 612A DEFLECTOR COVER COVER RETAINING GASKET FRESH WATER PUMP 16V P 612 Page 168 ...

Page 169: ...Built In Parts Book DRIVE COVER ER SEAL DRIVE SHAFT DRIVE SHAFT DRIVE COVER DRIVE SHAFT SEAL DRIVE CABLE GASKET GASKET PLtiG DRIVE CABLE ADAPTOR TACI IOMETER DRIVE COVERS AND ADAPTORS P 611 Page IL69 ...

Page 170: ...ently complaints are the result of a breakdown in communication and can quickly be resolved by a member of manage ment If you have already discussed the problem with the Sales or Service Manager contact the General Manager If your problem originates with a dealer explain the matter to a management member of the distributorship with whom the dealer has his service agreement Step Two When it appears...

Page 171: ... Detroit Michigan 48228 Phone 3 13 592 5608 Canada Operations E A Kobe Manager of Product Service Diesel Division General Motors of Canada Ltd P O Box 5990 847 Highbury Avenue London Ontario N6A 4L6 Phone 519 455 7110 If an additional review by the Home Office of all the facts involved indicates that some further action can be taken the Regional Office will be so instructed If at this point your p...

Page 172: ...r System Air Box Drains 20 Air Cleaners 16 Air Shutdown Housing 164 Air Silencer 20 Crankcase Ventilation 2 1 Alarm System 36 Automatic Shutdown System 32 Cooling System Capacity 27 Coolants 75 Heat Exchanger Cooling 27 Keel Cooling 27 Radiator and Fan Cooling 26 Raw Water Pump 30 Water Pump 29 168 Crankshaft 156 Crankshaft Pulley 156 Cylinder Head 164 E Electrical Starting System 38 Engine Model ...

Page 173: ...ubricating Oil 72 Starting Aids 40 Starting Systems Electrical 38 Storage Engine 145 T 0 Oil Cooler 166 Operating Instructions 49 Output Shaft Governors 42 Owner Assistance 171 Tachometer Drive Covers and Adaptors _169 Thermostat Housing _162 Timing Fuel Injector _ 84 Torqrnatic Converter 47 Transmissions _ 43 Tune Up Procedures 81 P Paralleling Generator Sets 55 Piston 155 Power Take Off 43 Preve...

Page 174: ...Detroit Diesel Engines V 71Operators Manual Detroit Diesel Allison ...

Search results

Summary of Contents for V 71 Series

Reviews:

Related manuals for V 71 Series

Brands by name

Popular brands

Detroit Diesel V 71 Series, Operator'S Manual

Search results

Summary of Contents for V 71 Series

Reviews:

Related manuals for V 71 Series

Brands by name

Popular brands