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Isuzu A-4BG1, Workshop Manual

The Isuzu A-4BG1 Workshop Manual is a comprehensive guide for users looking to maintain and repair their engine. This manual provides step-by-step instructions on servicing and troubleshooting, ensuring optimal performance. Download the manual for free from manualshive.com and keep your Isuzu A-4BG1 running smoothly.

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Summary of Contents for A-4BG1

Page 1: ...or use of trademarks service marks logos or other proprietary identifying marks belonging to Ingersoll Rand Company in this manual is historical or nominative in nature and is not meant to suggest a c...

Page 2: ......

Page 3: ...ONTENTS ITEM PAGE General repair instructions l 2 Notes on the format of this manual l 2 Main data and specifications l 6 Tightening torque specifications I 1 8 Angular nut and bolt tightening method...

Page 4: ...dismounting the engine or disconnecting pipes and hoses To not do so is extremely dangerous Always check and recheck you work No sewice operation is complete until you have done this Information cont...

Page 5: ...vwted Engine I Parts marked with an asterisk are included in the repair kit Parts within a square frame are to be removed and installed as a single unit All parts within an irregularly shaped frame fo...

Page 6: ...tep to be per formed A detailed explanation of these symbols follows YService data and specifications are given in this table 8 The following symbols appear throughout this Workshop Manual They tell y...

Page 7: ...ndicates that the applicable part or parts must be either repaired or replaced Components and parts are listed in the singular form throughout the Manual Directions used in this Manual are as follows...

Page 8: ...l filter type Center bolt or cartridge spin on Water sedimentor If so equipped Sediment water level indicating type Compression pressure kg cm2 psi 31 441 at 200 rpm at sea level At warm Valve clearan...

Page 9: ...ter water level indicating type Compression pressure kg cm psi 31 441 at 200 rpm at sea level At warm Valve clearances At cold Intake mm in 0 40 0 016 Exhaust mm in 0 40 0 016 Lubrication method Press...

Page 10: ...0 118 9 177 2 159 9 240 3 Nil8 x 1 5 15 4 23 0 19 9 29 9 23 4 35 2 lll l 166 4 151 0 225 6 143 9 216 3 195 2 391 3 169 34254 6 229 5 345 2 nmxl 5 21 0 31 6 27 5 41 3 32 3 48 5 151 9 228 6 205 9 307 9...

Page 11: ...5 37 26 25 31s41 95 34 32 56 87 29 65 49 18 40 20 66 68 M12x It 25 I 5 6 8 4 7 9 11 9 8 7 13 0 40 50 60 75 54 91 82 37 57 14 86 07 77 47 116 69 62 92 94 02 85 31 127 48 M12x 1 75 I 3 5 9 5 7 3 10 9 8...

Page 12: ...AR NUT AND BOLT TIGHTENING METHOD 5 1 Carefully wash the nuts and bolts to remove all oil and grease q 3 2 Apply a coat of molybdenum disulfide grease to the threads and setting faces of the nuts and...

Page 13: ...n the face of each of the parts to be clamped This line should be an exten sion of the line A B 6 Draw another line F G on the face of each of the parts to be clamped This line will be in the direc ti...

Page 14: ...I I I I I II 1 69 I l 12 GENERAL INFORMATION l l MAJOR PART FIXING NUTS AND IBOLTS Cylinder Head and Cover kgam Ib ft i I _ i 1 9 c c k k Y y f I For laminated steel sheet gasket 7 0 9 0 0 5 50 6 65...

Page 15: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I I II GENERAL INFORMATION l 13 Cylinder Body kgam IbIt A I J fly J I a H e i 23 25 r l 166481 Apply en...

Page 16: ...lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll 1 I I 1 14 GENERAL INFORMATION Oil Pan and Dipstick kgem Ib ft 2 1 3 1 15 2 22 4...

Page 17: ...GENERAL INFORMATION 1 15 Camshaft and Rocker Arm kgSm Ib ft Lubricate with engine oil 168 14 5 6 5 32 5 47 0 1 14B 14 3 6 3 31 1 45 6 1...

Page 18: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I I II U IT_ 1 16 GENERAL INFORMATION Crankshaft Piston and Flywheel kgam Ib ft I 6B 1 4B 1 I Apply MoS2 grease los 127...

Page 19: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I I II a GENERAL INFORMATliN 1 17 Thermostat and Thermostat Housing kgom lb I 4 3 6 3 31 1 45 6 I 2 1 3 1...

Page 20: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I l G b I I 1 18 GENERALINFORMATION Intake and Exhaust Manifold kgam Ib ft 1 2 1 3 1 1 15 2 22 4 I...

Page 21: ...MATlOffI 1 19 liming Gear Case and Flywheel Housing kgem Ib ft 9 9 G 3 i q g 3 0 p Q T c Q 3c if 9 9 j i 3 n 9 1 1 3 9 0 k 9 3 i l 3 5 i lb i 1 2 A 3 4 wr 1 2 1 3 1 1 15 2 22 4 1 Outerside l 15 2 22 4...

Page 22: ...llllllllll l l l l l l l l l l l l l l I l l 20 GENERAL INFORMATION Oil Coo Oil Filter and Oil Pump kgem Ib ft 0 40 3 14 1 22 b36 1 3 6 kaba y 6B 1 4 3 6 3 31 1 45 6 1 Refer to the section MAINTENANCE...

Page 23: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I I I I I I I I I I I I I GENERAL INFORMATlOfU l 21 Fuel System kgom Ib ft 1 7 2 1 12 3 15 2 c 3 4 5 0 24 6 36 2 l zYo j 4 k J...

Page 24: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I l 22 GENERAL INFORMATION Turbocharger kgmm Ib ft 1 6B 1 2 1 3 1 15 2 22 4 1 46 1 2 l 6 8 7 11 6 4 3 6 3 31 1 45 1 2 2 3 2 15 9 23...

Page 25: ...e number is stamped on the front left hand side of the cylinder body Injection Pump Number Injection volume should be adjusted after referring to the adjustment data applicable to the injection pump i...

Page 26: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II I I I I MEMO r...

Page 27: ...ITEM PAGE Lubricating system 2 2 Fuel system 2 3 Cooling system 29 7 Valve clearance adjustment 29 7 Injection timing 2 9 Compression pressure measurement 2 15 Turbocharger inspection 2 16 Engine rep...

Page 28: ...e the filter body with the center bolt i kg m lb ft Center Bolt Torque 4 3 6 3 31 l 45 6 3 Check that the gasket is properly seated This will prevent oil leakage kg m Ib ft a Drain Plug Torque 1S2 0 1...

Page 29: ...element Installation 0 c I Wash the filter body and the other parts immersing them into clean diesel oil 5l 2 Reassemble the parts in reverse order Use the new element 3 Check that the gaskets are pro...

Page 30: ...Valve Opening Pressure Reference 1 5 21 Injection Nozzle Inspection procedure 1 Clamp the injection nozzle holder in a vise 2 Use a wrench to remove the injection nozzle holder cap 3 Remove the inject...

Page 31: ...HE NOZZLE TESTER AT ALL TIMES Spray Condition Check During Injection Nozzle Tester Operation 1 Tighten the cap nut 2 Check the injection nozzle starting pressure 3 Check the injection nozzle spray con...

Page 32: ...side of the water separator to drain the water kg m Ib ft 1 Drain Plug Torque 0 945 6 5 10 8 i 4 G i Air Bleeding 1 Loosen the feed pump cap Q on the injection pump 2 Loosen the fuel filter fuel retur...

Page 33: ...or Be sure to retighten the bolts after adjusting the belt tension mm in Cooling Fan Drive Belt Deflection 8 O 12 0 0 3 0 5 4 Thermostat Inspection ICI 4B ISI Visually inspect the thermostat Replace t...

Page 34: ...the compression stroke If the No 1 cylinder intake and exhaust valve rocker arms are depressed the No 6 piston No 4 piston for the 4BGl is at TDC on the compression stroke Adjust the No 1 or the No 6...

Page 35: ...n stto ke kg m Ib ft I Rocker Arm Screw Lock Nut Torque 2 1 3 1 15 2 22 4 Note The valve clearance adjustment procedure for the 4BGl engines is identical to that for the 6BGl engines Only the number o...

Page 36: ...afore going procedure to mark sure that it is in alignment Check the alignment of the notched lines and These notched lines were aligned at the factory to set the injection pump body and the mounting...

Page 37: ...the engine 8 Observe and make sure that mark injection starting angle line CX on the crankshaft pulley with the pointer The timing line shows the injection startir the engine Blow out the remaining f...

Page 38: ...rque kg m lb ft Delivery Valve Holder Torque 4 4 5 29 33 e 12 Install the No 1 cylinder injection pipe and tighten it _ to the specified torque V 7 kg m lb ft 0 Injection Pipe Nut Torque 2 9 3 3 2 l 2...

Page 39: ...njection pipe and tighten it to the specified torque COUPLING DRIVEN INJECTION PUMP TIMING ADJUST MENT The coupling driven injection pump is installed at the middle of the cylinder body It is driven b...

Page 40: ...f the delivery valve holder ILI e 5 Continue to operate the priming pump Turn the coupling counterclockwise until the fuel stops flowing from the delivery valve holder This is the fuel injection start...

Page 41: ...important that the compression pressure be mea sured in each cylinder Therefore start at the No 1 cylinder and work back In this way you will be sure to measure the compression pressure in each cylind...

Page 42: ...TURBOCHARGER INSPECTION 1 Check the air intake duct connections for air leakage 2 Check the intake manifold connections for air Ieak age 3 Check the exhaust duct connections for smoke leak age _ 4 Che...

Page 43: ...12 Oil pan gasket 13 Drain plug gasket 14 Oil filter cover gasket 15 Oil filter fixing bolt gasket 16 Oil cooler gasket 0 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Gear case to cylinder block gaske...

Page 44: ...lock gasket 10 Crank pulley to gear case oil seal 11 Gear case cover gasket 12 Crankshaft rear end oil seal 13 Valve guide oil seal 14 Drain plug gasket 15 Oil pan gasket 16 Oil pipe gasket 17 Oil fil...

Page 45: ...YPES OF LUBRICANTS API Without turbocharger Diesel engine oil CC or CD grade With turbocharger Diesel engine oil CD grade Single grade ENGINE OIL VISCOSITY CHART ENGINE OIL VISCOSITY GRADE AMBIENT TEM...

Page 46: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I MEMO f I i _...

Page 47: ...I I I I I I I ENGINE ASSEMBLY I 3 1 SECTION 3 ENGINE ASSEMBLY I DISASSEMBLY TABLE OF CONTENTS ITEM PAGE External parts disassembly steps 3 2 Major components 3 7 Rocker arm and rocker arm shaft disas...

Page 48: ...ction pump to cylinder body Cooling fan Not installed Intake pipe Fuel return pipe Fuel pipe fuel filter to injection Pump Fuel pipe feed pump to filter 13 Fuel filter Injection nozzle and leak off pi...

Page 49: ...teps 1 Cooling fan 2 Not installed 3 intake pipe 4 Fuel return pipe 5 Fuel pipe fuel filter to injection pump 6 Fuel pipe feed pump to filter 7 Injection nozzle and leak off pipe 8 Injection pipe 9 Oi...

Page 50: ...ion pump bracket bolts or the injection pump fixing bolts Remove of the Air Compressor if so equipped Before the air compressor is removed the injection pump must be unfastened from the mounting brack...

Page 51: ...SEMBLY STEPS Left hand side MODEL 6BGlT Disassembly Steps 1 Dipstick and guide tube 2 Air breather 3 Turbo adaptor 4 Oil feed pipe 5 Oil drain pipe A 6 Turbocharger 7 Gasket 8 Starter 9 Fan belt 10 Ge...

Page 52: ...VfODEL 4BGlT 30 ll 8 Disassembly Steps 1 Dipstick and guide tube 2 Air breather 3 Not installed 4 Oil feed pipe 51 Oil drain pipe A 6 Turbocharger 7 Gasket 8 Starter 9 Fan belt 10 Generator 11 Fan pul...

Page 53: ...ir kit Disassembly Steps 1 Rubber hose water by pass A 2 Rocker arm shaft assembly 3 Push rod A 4 Cylinder head bolt 5 Cylinder head assembly 6 Cylinder head gasket 7 Water pump assembly 8 Tappet cham...

Page 54: ...g bolts a little at a time in numerical sequence as specified 4B series I Front I6B series 4B series 1 4 Cylinder Head Bolts Loosen the cylinder head bolts a little at a time in the numerical order sh...

Page 55: ...I I I I ENGINE ASSEMBLY I 3 s 0 0 0 0 O 0 0 t b 0 0 zc O 0 0 O 0 0 J cc 0 0 0 0 0 0 0 0 0 11 Taper Bushing 6B series only Remover 9 852 l 01 22 O Use the taper bushing remover to remove the crank shaf...

Page 56: ...NENTS II Repair kit Disassembly Steps i 1 2 3 4 5 A 6 A 7 8 Oil cooler Oil pan Oil pump and coupling Flywheel housing Piston and connecting rod Idler gear Camshaft Tappet 9 Timing gear case 10 Idler g...

Page 57: ...r Gear End 0 128 0 185 02 Play 0 005 0 0070 O d08 Standard mm in Limit ITiming Gears 0 10 0 17 03 Backlash 0 004 0 007 O il2 I Includes the crankshaft gear the camshaft gear and the idler gear 7 Camsh...

Page 58: ...I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I 17 3 12 ENGINE ASSEMBLY I 0 ROCKER ARM AND ROCKER ARM SHAFT DISASSEMBLY STEPS Disassembly Steps 1 Bracket 2 Rocker a...

Page 59: ...outlet pipe 4 Thermostat 5 Thermostat housing and gasket A 6 Spiit collar 7 Spring seat upper or Valve rotator 8 Valve spring if so equipped 9 Spring seat lower 10 Valve 11 Valve stem oil seal 77 7 0...

Page 60: ...I I I I I I I I II II I I I I I II II II II II I I I I I I I I I 3 14 ENGINE ASSEMBLY I 4 cl PISTON AND CONNECTING ROD DISASSEMBLY STEPS Disassembly Steps A 1 Piston rings A 2 Snap ring A 3 Piston pin...

Page 61: ...linder bore This will prevent damage to the piston and the piston rings when they are removed from the cylinder bore 1 PistonRings Use a piston ring remover to remove the piston rings Do not attempt t...

Page 62: ...MEMO w I _...

Page 63: ...od A8 Rocker arm shaft and rocker arm 4 8 idler gear and idler gear shaft 49 9 Camshaft 440 Cylinder body and liner 4 11 Piston and piston ring 4 18 Piston pin mmmmmmmmsmmmmmmmmmmmmmmmmmmmmmmmmmmm mmm...

Page 64: ...ied limit but less than the maximum grinding allowance If the measured values exceed the maximum grind ing allowance the cylinder head must de replaced Cylinder Head Lower Face Warpage mm in I Standar...

Page 65: ...ced as a set Valve Stem Clearance mm in 7 Standard Limit Intake Side TIR 0 039 0 068 0 20 0 001 S 0 0027 0 008 Exhaust Side TIR 0 064 0 096 0 25 0 0025 0 0038 0 0098 w 4 Measuring Method II 1 Measure...

Page 66: ...Exhaust Valve Depression 1 o 0 039 2 5 0 098 f I I u I Valve Contact Width 1 Inspect the valve contact faces for roughness and unevenness Make smooth the valve contact surfaces 2 Measure the valve con...

Page 67: ...bench press to slowly apply pressure to the attachment and press the valve seat insert into place Amount of pressure needed is more than 2 500 kg Note Do not apply an excessive amount of pressure with...

Page 68: ...ctive gas sealing 1 i 6 Check that the valve contact width is correct 7 Check that the valve seat insert surface is in contact with the entire circumference of the valve VALVE SPRING Valve Spring Free...

Page 69: ...to measure the valve spring tension If the measured value is less than the specified limit the valve spring must be replaced 4BGl kg lb Set Length Standard Limit I 40 mm 1 57 in 14 5 30 9 13 0 28 7 6B...

Page 70: ...ace illustra tion mm in iI I Limit 1 Push Rod Run Out 0 3 0 012 Rocker Arm Correction Inspect the rocker arm valve stem contact surfaces for ridge and scoring If the surfaces have light ridge or scori...

Page 71: ...the clearance exceeds the specified limit mm in I Standard I Limit I L Rocker Arm Bushing and Rocker Arm 0 01 0 05 02 Shaft Clearance 0 0004 0 0020 O Oi79 J 3 Check that the rocker arm oil port is fr...

Page 72: ...aring Remover and Installer 9 8523 1818 O 2 Measure the clearance between the cam journal and the camshaft bearing mm in r I Standard I Limit I ICam Journal and Cam 0 03 0 09 0 15 Bearing Clearance 0...

Page 73: ...ER BODY AND LINER Cylinder Liner Bore Measurement Use a cylinder indicator to measure the cylinder liner bore at measuring position in line with the crankshaft and across the crankshaft 0 Measuring Po...

Page 74: ...ence in the cylinder liner projection height between any two adjacent cylinders must not exceed 0 03 mm 0 001 in Cylinder Liner Replacement Cylinder Liner Removal lal 1 Set the cylinder liner remover...

Page 75: ...er and select the appropriate cylinder liner grade Loose fitting cylinder liners the liner is too small for the cylinder bore will adversely affect engine cooling effi ciency and may lead to serious e...

Page 76: ...the correct cylinder liner grade mm in Cylinder Liner Fitting Clearance Standard 0 001 0 019 i 0 00004 0 0007 L i 5 Cylinder Bore and Cylinder Liner Outside Diameter Combinations _ Reference 4BGl 6BG...

Page 77: ...ench press shaft center 7 Check that the cylinder liner is set perpendicular to the cylinder Check that the cylinder liner does not wobble 8 Use the bench press to apply an initial seating force of 50...

Page 78: ...er bore and select the appro priate piston grade Piston Outside Diameter Measure the piston outside diameter at the measuring piston shown in the illustration Piston Grade mm in I I 4BGl 104 955 104 9...

Page 79: ...0 0 0033 0 0043 0 0079 I2nd Compression 0 030 0 055 0 15 Ring 0 0018 0 0022 0 0059 I Oil Ring 0 030 0 070 0 15 0 0018 0 0027 0 0059 4BGlT mm in Standard Limit I 1st Compression 0 105 0 130 0 20 Ring 0...

Page 80: ...o points Do not allow the piston ring to slant to one side or the other It must be perfectly horizontal Cylinder Liner Measuring Point 0 1Omm 0 39 in Cylinder Liner Measuring Point l3Omm 5 12in 3 Use...

Page 81: ...r to measure the piston pin hole mm in Piston Pin Hole Diameter Standard 4BG1 4BGlT 6BGl 35 01 O 35 01 8 GBGIT 1 3783 l 3787 Piston Pin and Piston Pin Hole Clearance Determine the clearance between th...

Page 82: ...ting Rod Small End Bushing Clearance Use a caliper calibrator and a micrometer to measure the piston pin and connecting rod small end bushing clearance If the clearance between the piston pin and the...

Page 83: ...r or an adjustable pilot reamer to ream the piston pin hole Connecting Rod Bushing Inside Diameter mm in Standard 35 017 35 025 i 1 37861 3789 El e Connecting Rod Bearing Inspection 1 Fit the connecti...

Page 84: ...o clean the oil ports if neces sary Crankshaft Journal and Crankpin Outside Diameter 1 Use a micrometer to measure the crankshaft journal outside diameter across points and 0 2 Use the micrometer to m...

Page 85: ...aring clearance exceeds the specified limit the crankshaft must be reground except 4BDlT GBDIT 6BGl and 6BGlT and or the bearing must be replaced mm in 1 6B Engines Only I Position ati Standard 1 Limi...

Page 86: ...de Diameter 1 install the main bearing cap with bearings to the cylinder body with the specified torque and facing the arrow mark on the bearing cap toward front Place them in order of punched cylinde...

Page 87: ...ck after repair replace the crankshaft Crankshaft can not be bench pressed because it is finished with tufftride method Main Bearing and Connecting Rod Bearing Tension Check to see if the bearing has...

Page 88: ...gage arrow over the crankshaft journal across the full width of the bearing Apply engine oil to the Plastigage to keep it from falling 6 Install the bearing cap with the bearing 7 Tighten the bearing...

Page 89: ...ng cap Remove the bearing cap Compare the width of the plastigage attached to either the crankshaft or the bearing against the scale printed on the plastigage container If the measured value exceeds t...

Page 90: ...chloride solution is highly cor rosive Because of this it is imperative that the surfaces being tested be cleaned immediately after completing the test Oil Seal Wear Ring Replacement Removal Use the...

Page 91: ...REAR OIL SEAL Ring Gear Inspection Inspect the ring gear If the ring gear teeth are broken or excessively worn the ring gear must be replaced Ring Gear Replacement Ring Gear Removal Strike around the...

Page 92: ...GINE ASSEMBLY II Instalier El t 0 I c TIMING GEAR CASE COVER Crankshaft Front Oil Seal Replacement Removal Use an adapter and a hammer to remove the crankshaft front end oil seal Installation Use the...

Page 93: ...NTENTS ITEM PAGE Piston and connecting rod reassembly steps 59 2 Cylinder head reassembly steps 5 4 Rocker arm and rocker arm shaft reassembly steps 5 8 Major component reassembly steps I 59 9 Major c...

Page 94: ...I I II II I I I I I II II II II II I I I I I I I I I 5 2 ENGINE ASSEMBLY III III it PISTON AND CONNECTING ROD REASSEMBLY STEPS MIRROR COMPONENT 3 Reassembly Steps A 1 Piston A 2 Piston pin and connec...

Page 95: ...the piston moves smoothly on the piston pin 8 Piston Ring 1 Use a piston ring installer to install the three piston rings Piston Ring installer Install the piston rings in the following order 1 Oil r...

Page 96: ...AD REASSEMBLY STEPS a Repair kit Reassembly Steps A 1 Valve stem oil seal A 2 Intake and exhaust valves 3 Spring seat Lower A 4 Intake and exhaust valve springs 5 Spring seat Upper or valve rotator A...

Page 97: ...xhaust Valves III 9 1 Place the cylinder head on a flat wooden sur face 2 Lubricate valve stems with engine oil 3 Install the valves to the intake or exhaust guides Install the valves to their origina...

Page 98: ...to the speci fied torque a little at a time in the numerical order shown in the illustration kgmm Ibft 1 4 Intake Monifold 4B 1 4 2 4 10 1 17 4 f i Bolt Torque 6B 2 1 3 1 15 2 22 4 1 g 11 Exhaust Mani...

Page 99: ...yd ENGINE ASSEMBLY Ill 5 7 Distance tube Spar facing 4 Install either end of the distance tube to the spot facing 6B series engine only...

Page 100: ...I II II II I I I I I I I I I 5 8 ENGINE ASSEMBLY III r l ROCKERARM AND ROCKER ARM SHAFT REASSEMBLY STEPS Reassembly Steps A 1 Rocker arm shaft 2 Spring 3 Rocker arm 4 Bracket V 7 0 Important Operation...

Page 101: ...eps A 1 Oiling jet except 6BGl A 9 Idler gear shaft A 2 Crankshaft bearing upper half A 10 Idler gear A 3 Crankshaft A 11 Piston and connecting rod A 4 Thrust bearing A 12 Oil pump and coupling A 5 Cr...

Page 102: ...aring 4B All Upper Halves UPPer Half 6B All Upper Halves All Lower Halves Bearing 48 Except Center Center Bearing I Lower Half L Bearing Only 6B 1 1 All Lower Halves Take care not to misinstall the be...

Page 103: ...gear hole Thrust Plate Bolt Torque kg m Ib ft 2 1 3 1 15 2 22 4 A kgDm Ib ft I I Camshaft Gear Bolt I A I I 1 Torque Oil port Injection pump gear i Idle gear 8 mark m Crankshaft gea lerl Bl 9 idler G...

Page 104: ...pressor to compress the piston rings Piston Ring Compressor 9 8522 1251 o 5 Use a hammer grip to push the piston in until it makes contact with the crankpin At the same time rotate the crankshaft unti...

Page 105: ...ner Bolt 2 1 3 1 15 2 22 4 14 Oil Pan 1 Apply liquid gasket to the area indicated by the arrows in the illustration 2 Install the oil pan gasket 3 install the oil pan Tighten the oil pan bolts to the...

Page 106: ...jection pump gear Oil thrower Timing gear cover Crankshaft pulley and dust thrower Taper bushing Crankshaft pulley nut Oil pump driving pinion A 9 A 10 A 11 A 12 A 13 14 A 15 2 16 Tappet chamber cover...

Page 107: ...127 6B engine 20 1 24 5 145 177 2 Injection Pump and Injection Pump Gear Assembly cl 1 Install the injection pump bracket with the injec c tion pump to the timing gear case Dowel the injection pump br...

Page 108: ...threads and fitting face 2 Use the appropriate wrench to tighten the crank shaft pulley nut to the specified torque Crankshaft Pulley 4B Nut Torque 6B kg m Ib ft 39 49 282 354 55 65 378 470 9 Tappet C...

Page 109: ...length install them at proper location The shorter ones 4B series 4 bolts 6B series 6 bolts must be used at the injection pump side Follow the numerical sequence shown in the illustrations The cylinde...

Page 110: ...et to the cylinder head Tighten the rocker arm bracket bolts to the spec ified torque a little at a time in the numerical order shown in the illustration Lubricate the rocker arm and the rocker arm sh...

Page 111: ...BLY lil 5 19 0 EXTERNAL PARTS REASSEMBLY STEPS Left hand side 3 12 10 7 6 2 I I 9 8 Reassembly Steps A 1 Cylinder head cover 2 Fan pulley 3 Generator A 4 Fan belt A 5 Starter A 7 Turbocharger A 8 Oil...

Page 112: ...ylinder head cover Check the head cover gasket for looseness 3 Tighten the cylinder head cover bolts to the specified torque a little at a time in the sequence shown in the illustration 6B Series kggm...

Page 113: ...BGIT 4 3 6 3 31 1 45 6 Nut Torque 4BGlT 2 2 3 2 15 9 23 1 8 Oil Drain Pipe cl t 1 Remove the exhaust manifold distance tube immediately beneath the turbocharger This will make it easier to install the...

Page 114: ...d tighten the pipe flange bolts to the specified torque kgmm lb ft 1 I 1 Oil Feed Pipe Flange 48 1 2 1 6 8 7 11 6 l Bolt Torque 6B 2 1 3 1 15 2 22 4 10 Turbo Adaptor 6BGlT Only I Use a screw driver to...

Page 115: ...and Side MODEL 6BGlT 3 Reassembly Steps 1 Glow plug A 2 injection nozzle A 3 Injection pipe and fuel leak off pipe A 4 Oil filter 5 Oil pipe filter to cooler 6 Not installed 7 Oil pipe injection pump...

Page 116: ...23 9 r 2 Carefully position and set the clips 0 It is very important that each clip be positioned correctly An improperly positioned clip will result in objectionable fuel pulsing noise and injection...

Page 117: ...care not to interchange the check valves and joint bolts kg m Ib ft 1Fuel Pipe Joint Bolt Torque 1 1 60 1 8 ll 6 13 0 12 Intake Pipe Install the intake pipe and tighten the intake pipe flange bolts to...

Page 118: ...onnect the cooling pipes and the fuel pipes Reference Starter switch PREHEAT i 0 1 OFF 0 ON I I I I I nm a C R R Ace Control resistor 2 0 85mmL A 7 5 L Fuse box 3 L I 7 0 85 I Relay n3 ___ L VII press...

Page 119: ...lating from the oil pump to the valve rockers through the cylinder head If there is no oil circulation or if the oil circulation is sluggish stop the engine and make the appropriate repairs or adjustm...

Page 120: ...llllll 1 II I I I I I I I I I I I I I l l l l l l l l l l l l l l I I I I I I I I 5 28 ENGINE ASSEMBLY Ill ENGINE SECTIONAL VIEW For your reference Note This sectional drawing is based on 6BGl standar...

Page 121: ...I I I I I I I II II I I I I I II II II II II I I I I I I I I I e I LUBRICATING SYSTEM 6 l ITEM General description m mmmmmmmmm mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm m mmmmmmwommm8mmmmmmmmmmmmmmmmmmmmm...

Page 122: ...switch I 1 I _ 1 I 1 I x j t p Id Cylinder body oil gallery I i valve v r l lnj pump I L t 1 I I I Oil 1 Partial pump filter 1 Valve opening Oil corm 1 I 1 pressure 4 5kg cm2 relief rod I L 1 I vaIve...

Page 123: ...I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I tU8RlCATlNG SYSTEM 6 3 OIL PUMP 0 DISASSEMBLY Disassembly Steps 1 Strainer 2 Suction pipe 3 Cover and dowel 4 Driven gear 5...

Page 124: ...the drive gear If the clearance exceeds the specified limit the drive gear and or the oil pump cover must be replaced mm in t I Limit Oil Pump Cover and Oil Pump Drive Gear Clearance 0 18 0 0071 c Oil...

Page 125: ...er element 5 Element gasket 6 Spring seat 7 Coil spring 8 Oil filter body Refer to Page 2 2 of the MAINTENANCE for information on the cartridge type spin on type oil filter El INSPECTION AND REPAIR Ma...

Page 126: ...E for information on the cartridge type spin on type oil filter Element L 8 8 I 8 8 8 C BB 3 Spring side 1 Important Operation 5 Oil Filter Element The protruding portion of the oil filter element mus...

Page 127: ...bly Steps 1 Oil cooler element 2 Element gasket 3l By pass valve plug 4 5 6 O ring plug By pass valve spring By pass valve ILI INSPECTION AND REPAIR Make the necessary adjustments repairs and part rep...

Page 128: ...1 By pass valve 2 By pass valve spring 3 O ring plug OK482 V t lsl 4 By pass valve plug 5 Element gasket A 6 Oil cooler element Important Operation 6 Oil Cooler Element Install the oil cooler element...

Page 129: ...II I I I I I II II II II II I I I I I I I I I COOLING SYSTEM 7 1 SECTION 7 COOLING SYSTEM TABLE OF CONTENTS ITEM PAGE General description 79 2 Water pump 7 3 Thermostat mm mmmmmmemm mmmmmmmmmmmmmmmmm...

Page 130: ...miNGSYSTEM GENERAL DESCRIPTION Water outlet pipe I 1 Remme tank c lder body Water pump ylinder head OK858 This familyof engines uses a pressurized forced circulation cooling system with a V belt drive...

Page 131: ...PUMP 1 I 4 5 6 7 8 3 Repa ir Kit OK403 Disassembly Steps 1 Pulley 2 Cover A 3 Impeller A 4 Pulley center 5 Dust thrower A 6 Snap ring A 7 Spindle bearing and spacer A 8 Seal unit washer and seal Singl...

Page 132: ...to remove the impeller Remover 9 8521 0097 o 4 Pulley Center Use a bench press and a suitable rod to remove the pulley center h i 6 Snap Ring Use a pair of snap ring pliers to remove the snap ring 7...

Page 133: ...cl I Bearing Replacement Removal Use a bench press to remove two bearings and the spacer Installation Use a bench press to install two bearings and the spacer Single bearing is used for 4BDl and 4BDlT...

Page 134: ...I II II II II I I I I I I I I I 7 E COOLING SYSTEM Ll REASSEMBLY 5 6 Repair kit OK483 Reassembly Steps A 1 Spindle bearing and spacer A 2 Snap ring 3 Dust thrower A 4 Pulley center i A 5 Seal unit was...

Page 135: ...se Use a bench press to install the spindle the bearing and the spacer 2 Snap Ring Use a pair of snap ring pliers to install the snap ring 4 Pulley Center Use a bench press and a bar to install the pu...

Page 136: ...8 0 0118 0 0315 lal 8 Pulley Install the pulley and tighten the pulley bolts to the I cl specified torque f I kg m lb ft Pulley Fixing Bolts Torque 2 1 3 1 15 2 22 4 THERMOSTAT ICI IMSPECTION AND REP...

Page 137: ...I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I LFUEL SYSTEM 8 l SECTION 8 FUEL SYSTEM TABLE OF CONTENTS ITEM PAGE General description 8 2 Fuel filter 8 3 Injection nozzl...

Page 138: ...dimentor the fuel filter the injection pump and the injection nozzle The fuel from the fuel tank passes through the water sedimentor and the fuel filter where water particles and other foreign materia...

Page 139: ...Spring seat 7 Spring Refer to Page 2 3 of the Maintenance for information on the cartridge type fuel filter El e INSPECTION AND REPAIR Make the necessary adjustments repairs and part replacements if e...

Page 140: ...eps 1 Nozzle holder cap nut 2 Cap nut gasket 3 Nozzle adjusting screw 4 Push rod spring 5 Nozzle holder push rod 6 Retaining nut A 7 Injection nozzle 8 Injection pipe connector 9 Connector gasket 10 N...

Page 141: ...ush rod and needle valve contact surfaces for excessive wear and poor con tact Injection Nozzle 1 Check the injection nozzle needle valve the valve seat and the injection nozzle hole for carbon deposi...

Page 142: ...I I I I I I I I 8 6 FUEL SYSTEM 0 REASSEMBLY r I 6 B Es L 10 9 8 Reassembly Steps 1 Nozzle holder body 2 Connector gasket A 3 Injection pipe connector A 4 Injection nozzle A 5 Retaining nut 6 Nozzle...

Page 143: ...njection nozzle holder Clean these contact surfaces with diesel fuel before installation The nozzle dowel pin must be aligned with the dowel hole in the nozzle holder body 5 Retaining Nut kg m Ib ft I...

Page 144: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I 8 8 FUEL SYSTEM 10 Nozzle Holder Cap Nut El kg m lb ft Cap Nut Torque 4 0 5 0 28 9 36...

Page 145: ...ontact ISUZU MO TORS LTD through your machine supplier 3 Do not remove the Identification Plate and Product Serial Number from the injection pump Keep the Identification Plate and Product Serial Numbe...

Page 146: ...lunger 3 6 2 0 05 mm Note Adjust with control rod position of mm Injection order l 3 1 4 1 2 90 30 180 30 270 1130 interval O430 Plungers are numbered from the Driver side Tappet clearance Bolt adjust...

Page 147: ...droop adjustment screw position 7 Notches from fully tightened position Idle Sub spring setting f a I a I I A I 0 LA I I 1 I I 1 1 I 1 I t I I I I I I I 1 4 I I f I k I 1 I t I 300 400 860t30 1200t15...

Page 148: ...MEMO _ f A c 1 Y _ 1 _ c L...

Page 149: ...cription 9 2 Turbocharger identification 9 3 Inspection and repair 9 4 Regarding the details of the turbocharger repair refer the following workshop manual Published by MITSUBISHI HEAVY INDUSTRIES CO...

Page 150: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I S 2 TURBOCHARGER GENERAL DESCRIPTION TDO4H i r n I t t I f I I I 1 I J La I...

Page 151: ...gives the date of manu facture and other important information required to identify the unit when service inquiries or part orders are made The arrow in the illustration indicates the location of the...

Page 152: ...wing is primarily a description of the particu larly important rotor shaft end play and bearing clear ante standard and limit values Rotor Shaft Axial Play Measurement 1 Install a dial indicator on th...

Page 153: ...AIR COMPRESSOR 10 I ITEM PAGE General description B lo 2 SECTION 10 AIR COMPRESSOR TABLE OF CONTENTS Disassembly steps lo 3 Inspection and repairs IO 4 Reassembly steps lo 6...

Page 154: ...ENERAL DESCRIPTION AIR COMPRESSOR SECTIONAL VIEW from Air cleaner from Governcr to Air tank I Piston ring configuration i Theoretical air delivery amount Cylinder bore x stroke mm in Maximum operating...

Page 155: ...3 cl DISASSEMBLY STEPS Disassembly Steps 3 Cylinder head and gasket A 2 Cylinder body 3 Piston 4 Crankcase flange 5 Bearing cover with oil seal 6 Bearing 7 Connecting rod 8 Crankshaft and bearing IV l...

Page 156: ...he pis ton skirt position mm in I I Limit I I Cylinder Bore Uneven Wear I 0 2 0 0079 I Measure the piston and the cylinder bore clearance mm in I 1 Standard 1 Limit I IPiston and Cylinder 0 1 0 3 10 B...

Page 157: ...0091 0 00016 Measure the piston pin and the connecting rod small end clearance mm in 1 Standard Limit Piston Pin and Connecting Rod 0 002 0 026 01 Small end Clearance 0 00008 0 00 102 O Oi39 Measure t...

Page 158: ...ps A 1 Crankshaft and bearing A 2 Connecting rod C 3 Bearing A 4 Bearing cover with oil seal 5 Crankcase flange 6 Piston A 7 Cylinder body A 8 Cylinder head and gasket V t Important Operation 1 Cranks...

Page 159: ...aring cover to the crankcase Tighten the bearing cover bolts to the specified torque kg m Ib ft 1 Bearing Cover Bolt Torque 1 1 5 10 9 I 7 Cylinder Body 1 Install the cylinder body to the crankcase 2...

Page 160: ...MEMO sSi L _...

Page 161: ...NE ELECTRICALS 1l 1 SECTION 1I ENGINE ELECTRICALS TABLE OF CONTENTS PAGE Starter identification II 2 Starter main data and specifications II 3 Starter sectional view II 4 Starter exploded view 1 4 Alt...

Page 162: ...ication plate together with the Main Data and Specifications Tables and accompany ing charts in this Manual when requesting service assistance from a qualified electrical repair shop If you are unable...

Page 163: ...oil resistance Ku Shunt coil resistance 62 Brush length Standard mm in Limit mm in Brush spring standard fitting load kg lbs Commutator Outside diameter Standard mm in Limit mm in Difference between t...

Page 164: ...I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I 1l 4 ENGINE ELECTRICALS STARTER MOTOR SECTIONAL VIEW u _ NIKKO O 23000 1 031 STARTER MOTOR EXPLODED VIEW f NIKK...

Page 165: ...together with the Main Data and Specifications Tables and accompany ing charts in this Manual when requesting service assistance from a qualified electrical repair shop if you are unable to locate th...

Page 166: ...00 10 or mare 27 1250 Less than Less than 30 27 5000 35 27 5000 No load output at 0 Amp WoWrpm 28 5 1 l l 100 28 5 k l l 100 or less or less Direction of rotation as viewed Clockwise Clockwise from pu...

Page 167: ...I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I ENGINE ELECTRICALS 11 7 ALTERNATOR SECTIONAL VIEW NIKKO O 35000 3871 ALTERNATOR EXPLODED VIEW I f 1 I k Pl 1 3 J O 3...

Page 168: ...MEMO l i J...

Page 169: ...on pump 129 4 4 Engine turns over but does not start 120 5 Unstable low idling 120 6 Insufficient power 129 9 Excessive fuel consumption 12 12 Excessive oil consumption 12 14 Overheating mmmomom mmmmm...

Page 170: ...NG Adjust or replace the fan belt Adjust or replace the fan belt OK 1 1 Fusible link Fusible link NG NG Hc Fusible link shorted Fusible link shorted NG NG t dReplace the fusible link Replace the fusi...

Page 171: ...nals I NG Battery discharged or weak NG Recharge or replace the battery OK 4 NG Fan belt loose or broken NG Adjust or replace the fan belt Starter NG i Defective pinion gear Replace the pinion gear NG...

Page 172: ...oper spray condition I I NG i Defective fuel injection nozzle resulting in fuel drippage after NG t i Replace the delivery valve fuel injection Adjust or replace the injection nozzle NG Defective inje...

Page 173: ...d valve WE pump NG Replace the fuel cut solenoid valve FUEL IS NOT BEING DELIVERED TO THE INJECTION PUMP 4 1 t Fuet NG Fuel tan is empty NG Fill the fuel tank OK t NG Clogged or damaged fuel lines Loo...

Page 174: ...air or replace the low idling 1 control device speed control device I OK 1 Throttle control system NG Throttle control system improperly adjusted NG Adjust the throttle control system OK I Fuel system...

Page 175: ...n pump NG Defective governor lever operation 0 NG Repair or replace the governor lever t NG Regulator valve improperly adjusted VE pump only NG Adjust or replace the regulator valve I NG Broken plunge...

Page 176: ...eckpoint Trouble Cause Remedy Continued from the previous page OK f Valve clearance NG Valve clearance improperly NG L adjusted Adjust the valve clearance 1 1 OK I Compression pressure Blown out cylin...

Page 177: ...Fuel filter NG Clogged fuel filter element NG Replace the fuel filter element or the fuel filter cartridge 4 L OK 7 1 Fuel feed pump NG Defective fuel feed pump NG Repair or replace the fuel feed pum...

Page 178: ...ve delivery valve NG c NG Improper control lever operation Remedy Replace the delivery valve Adjust or replace the control lever 1 NG NG Adjust the injection timing Defective injection timing 1 Repair...

Page 179: ...sembly OK Compression pressure OK Blown out cylinder head gasket t Worn cylinder liner NG Piston ring sticking or broken NG improper seating between the Replace the related parts valve and the valve s...

Page 180: ...d low idle speed NG r Adjust the low idle speed i I t b J OK t _ f Injection nozzle NG Injection nozzle injection starting pressure too low Improper spray condition NG Adjust or replace the injection...

Page 181: ...NG g Defective turbocharger assembly NG Replace the turbocharger assembly b 4 c OK Valve clearance NG Valve clearance improperly adjusted NG Adjust the valve clearance 1 J L I OK Blown out cylinder he...

Page 182: ...he oil seal and or the and or the gasket gasket Air breather NG Clogged air breather NG Clean the air breather c I 1 Met and exhaust valves NG Defective valve seals Worn valve stems and valve NG Repla...

Page 183: ...iator NG Defective radiator cap or clogged NG Replace the radiator cap or clean radiator core the radiator core OK 1 Repair or replace the water pump Water pump NG Defective water pump 4 OK 1 t Cylind...

Page 184: ...I I II II I I I I I II II II II II I I I I I I I I I 12 16 TROUBLESHOOTING Checkpoint Continued from the previous page OK I OVERHEATING Trouble Cause Remedy Fuel injection timing NG Fuel injection ti...

Page 185: ...r liner 1 Piston ring sticking or broken NG Replace the related parts Improper seating between the valve and the valve seat i OK 1 1 Turbocharger NG Defective turbocharger NG Replace the turbocharger...

Page 186: ...r element i I Injection nozzle I NG Injection nozzle injection starting pressure too low NG Adjust or replace the injection Improper spray condition nozzle OK 1 1 Fuel injection timing NG Fuel injecti...

Page 187: ...or light Replace the indicator tight I l I Oil filter NG Clogged oil filter element NG Replace the oil filter element or the oil filter cartridge c OK 4 t t Relief valve and by pass valve NG Relief va...

Page 188: ...0 TROUBLESHOOTING OIL PRESSURE DOES NOT RISE Trouble Cause Checkpoint Remedy Continued from the previous page OK 7 Camshaft NG Worn camshaft and camshaft bearing NG Replace the camshaft and the camsha...

Page 189: ...fuel injection timing OK 1 injection nozzle NG Improper injection nozzle starting NG Adjust or replace the injection pressure and spray condition nozzle 4 OK 1 I 1 I Compression pressure NG t i Blown...

Page 190: ...I 4 I OK 1 Cylinder head gasket NG 1 Damaged cylinder head gasket 1 NG I Replace the cylinder head gasket 3 Continuous Noise fan belt OK 1 NG Loose fan belt NG 1 Readjust the fan belt tension _ n 1 N...

Page 191: ...1 Crankshaft and thrust bearings NG Worn or damaged crankshaft NG Replace the crankshaft and or v and or thrust bearings the thrust bearings t I OK 1 4 Crankshaft and connecting rod NG Worn or damaged...

Page 192: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I MEMO v _ L e ee we _ _ _ 1...

Page 193: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I 1 StiiciAL TOOL LIST 13 1 SECTION 13 SPECIAL TOOL LIST TABLE OF CONTENTS ITEM PAGE Speciai too...

Page 194: ...ushing 3 9 8521 0122 o 3 9 remover R 3 13 5 5 l 85235 0060 Valvespringcompressor 4 5 1 85232 001 O 9 85220 035 o Valve guide remover and installer 4 3 Qi Camshaft bearing remover and installer 4 10 6...

Page 195: ...4 22 13 4 9 8522 l254 O Crankshaft rearoilsealinstaller 4 30 F 34 4 cs 9 8522 0034 o Crankshaftfrontoil seal installer 4 31 I 35 l 85221 005 0 Valve stem oilsealinstaller 5 5 16 9 8522 1251 o Pistonri...

Page 196: ...I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I MEMO s _...

Page 197: ...3 8583 0 9449 49 1 9291 74 2 9134 99 3 8976 0 9843 50 1 9685 75 2 9528 100 3 9370 101 3 9764 111 4 3701 121 4 7638 131 5 1575 102 4 0157 112 4 4094 122 4 8031 132 5 1969 103 4 0551 113 4 4488 123 4 84...

Page 198: ...4 301 8373 305 1181 308 3990 311 6798 314 9606 318 2415 32 t 5223 324 8032 90 too 328 0840 331 3648 334 6457 337 9265 341 2074 344 4882 347 7690 351 0499 354 3307 357 6116 too MILES TO KILOMETERS I 10...

Page 199: ...650 4 805 6 200 6 355 7 750 7 905 9 300 9 455 10 850 11 005 12 400 12 555 13 950 14 105 15 500 15 655 CUBIC INCHES TO CUBIC CENTIMETERS in3 0 1 I 2 3 4 5 I 6 7 I 8 I 9 in3 cm3kc f cm3fcc 1 cm3 cc cm3k...

Page 200: ...80 90 23 7755 24 0397 24 3038 24 5680 24 8322 25 0963 25 3605 25 6247 25 8889 26 1530 so tw 26 4172 26 6814 26 9455 27 2097 27 4739 27 7381 28 0022 28 2664 28 5306 28 7947 1QO F GALLONS IMP TO LITERS...

Page 201: ...202 825 205 030 207 234 209 439 2tt 644 213 848 216 053 218 257 90 too 220 462 222 667 224 871 227 076 229 280 231 485 233 690 235 894 238 099 240 304 100 t KILOGRAMS TO NEWTON 2 3 I 4 5 6 7 8 9 kg N...

Page 202: ...8 52 t322 74 1336 96 1351 19 1365 41 1379 63 1393 85 1408 08 100 1422 30 1436 52 1450 75 1464 97 1479 19 1493 42 1507 64 1521 86 1536 08 1550 31 kg cm 10 20 30 40 50 60 7 70 80 so 100 KiLOGRAMS PER SQ...

Page 203: ...564 17 571 41 70 a0 578 64 585 87 593 11 600 34 607 57 614 81 622 04 629 27 636 50 643 74 80 so 650 97 658 20 665 44 672 67 679 90 687 14 694 37 701 60 708 83 7 16 07 90 100 723 30 730 53 737 77 745 0...

Page 204: ...6 7 CENTIGRADE TO FAHRENtjflT C F C F c F C F C F C F C F C F 50 58 0 18 0 4 f 14 57 2 46 114 8 78 172 4 110 230 0 142 287 6 174 345 2 49 56 2 17 1 4 15 59 0 47 116 6 79 174 2 111 231 8 143 289 4 175...

Page 205: ...le or in part without the written consent of ISUZU MOTORS LIMITED WORKSHOP MANUAL INDUSTRIAL 4BG1 6BGl ilDE 2280 issued by ISUZU MOTORS LIMITED ENGINE SALES ENGINEERING DEPT 6 26 7 Minami oi Shinagawa...

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