Hino H06C H06CT Engine Specifications and Torque Values Page 1 of 6 Tightening Torque Specifications in Ft Lbs, Clearances in MM and Inches , Pressures in PSI , Intake Valve Lash Clearance in MM 0.30 Intake Valve Lash Clearance in Inches .0118 Exhaust Valve Lash Clearance in MM .45 Intake Valve Lash Clearance in Inches .0177 Intake Valve Angle 30 Degrees Exhaust Valve Angle 45 Degrees Intake Valve Seat Outside Diameter in MM 45.630-45.645 Intake Valve Seat Outside Diameter in Inches 1.7965-1.7970 Exhaust Valve Seat Outside Diameter in MM 52.085-52.100 Exhaust Valve Seat Outside Diameter in Inches 2.0506-2.0511 Intake Valve Seat Height in MM 7.5-7.7 Intake Valve Seat Height in Inches .296-.303 Exhaust Valve Seat Height in MM 8.0-8.2 Exhaust Valve Seat Height in Inches .315-.322 Intake Valve Seat Pocket Counter Bore in head outside diameter in MM 52.000-52.019 Intake Valve Seat Pocket Counter Bore in head outside diameter in Inches 2.0472-2.0479 Intake Valve Seat Pocket Counter Bore Depth in head in MM 9.5-9.7 Intake Valve Seat Pocket Counter Bore Depth in head in Inches .374-.381 Exhaust Valve Seat Pocket Counter Bore in head outside diameter in MM 45.500-45.516 Exhaust Valve Seat Pocket Counter Bore in head outside diameter in Inches 1.7914-1.7919 Exhaust Valve Seat Pocket Counter Bore Depth in head in MM 9.5-9.7 Exhaust Valve Seat Pocket Counter Bore Depth in head in Inches .374-.381 Intake Valve Seat Angle 30 Degrees Exhaust Valve Seat Angle 45 Degrees Intake Valve Surface Below Cylinder Head Surface in MM .05-.25 Intake Valve Surface Below Cylinder Head Surface in Inches .0019-.0098 Exhaust Valve Surface Below Cylinder Head Surface in MM .25-.55 Exhaust Valve Surface Below Cylinder Head Surface in Inches .0098-.0216 Intake Valve Stem Diameter in MM 9.0 Limit 8.99 Intake Valve Stem Diameter in Inches .35 Limit .34 Exhaust Valve Stem Diameter in MM 9.0 Limit 8.99 Exhaust Valve Stem Diameter in Inches .35 Limit .34 Intake Valve Stem Clearance to Intake Valve Guide in MM .055-.088 Intake Valve Stem Clearance to Intake Valve Guide in Inches .0022-.0035 Exhaust Valve Stem Clearance to Exhaust Valve Guide in MM .070-.103 Exhaust Valve Stem Clearance to Exhaust Valve Guide in Inches .0028-.0041 Valve Spring Straightness within 2.5MM Valve Spring Straightness within .098 Inch Hino H06C H06CT Engine Specifications and Torque Values Page 1 of 6
Hino H06C H06CT Engine Specifications and Torque Values Page 2 of 6 Valve Spring Free Length in MM 68.60 Valve Spring Free Length in Inches 2.701 Inside Diameter of Rocker Arm Bushing in MM 24.20 Limit 24.28 Inside Diameter of Rocker Arm Bushing in Inches .9530 Limit .9559 Outside Diameter of Rocker Shaft in MM 24.20 Limit 24.12 Outside Diameter of Rocker Shaft in Inches .9530 Limit .9496 Clearance Between Rocker Shaft and Rocker Arm Bushing in MM .030-.101 Limit .150 Clearance Between Rocker Shaft and Rocker Arm Bushing in Inches .0012-.0039 Limit .0059 Push Rod Straightness less than .5MM or .020 Inch Clearance Between Tappet and Cylinder Block in MM .025-.075 Limit .100 Clearance Between Tappet and Cylinder Block in Inches .0010-.0029 Limit .0040 Tappet Chamber Covers to Block tightening torque value 14 – 18 Ft Lbs Turbocharger Boost Pressure 8.53 – 11.28 PSI Compression test at 270 – 310 RPM 469-511 PSI Limit 398 PSI , Less than 43 PSI difference between cylinders. Low Oil Pressure Limit at 176 F Degrees 15.00 PSI Water System Pressure to check for leaks 36 PSI Head Bolt Tightening Sequence 31 29 27 28 30 32 20 12 4 5 13 21 Engine 24 16 8 1 9 17 25 Engine Front 23 15 7 2 10 18 26 Rear 19 11 3 6 14 22 (flywheel) Head Bolt Tightening Torque Value Head Bolts 1 through 26 tighten in three steps 67 Ft Lbs then 100 Ft Lbs then 135 Ft Lbs Head Bolts 27 through 32 tighten to 51 Ft Lbs Rocker Shaft Stand Bolts Tightening Sequence Engine Engine Front 5 3 1 2 4 6 Rear (flywheel) Rocker Shaft Stand Bolts Tightening Torque Value Tighten bolts in three steps 27 Ft Lbs then 40 Ft Lbs then 53 Ft Lbs Intake Valve Lash Clearance in MM 0.30 Intake Valve Lash Clearance in Inches .0118 Exhaust Valve Lash Clearance in MM .45 Intake Valve Lash Clearance in Inches .0177 Hino H06C H06CT Engine Specifications and Torque Values Page 2 of 6
Hino H06C H06CT Engine Specifications and Torque Values Page 3 of 6 Valve Lash Adjusting Screw Lock Nut 31 Ft Lbs Valve Cover Bolts tighten torque 10 – 13 Ft Lbs Injector Bolts to Head 12 Ft Lbs Protrusion of Injection Nozzle Tip Below Head Surface in MM 3.40-3.90 Protrusion of Injection Nozzle Tip Below Head Surface in Inches 0.1339-0.1535 Exhaust Manifold Mounting Bolts , Studs , Nuts , Tightening Torque 33 – 36 Ft Lbs Exhaust Manifold Flatness of Exhaust Manifold Gasket Surfaces less than 0.5MM or .020 Inch Exhaust Manifold Seal Rings Hard end gaps 45 degrees Turbocharger to Exhaust Manifold Bolts, Studs, Nuts, 33-36 Ft Lbs Exhaust Pipe Connector 32-36 Ft Lbs Turbocharger Oil Feed Pipe to Turbocharger Bolts: 18 Ft Lbs Turbocharger Oil Feed Pipe to Oil Feed Hollow Bolt: 31 Ft Lbs Turbocharger Oil Return Pipe From Turbocharger Bolt: 27 Ft Lbs Turbocharger Oil Return Pipe to Block Bolts: 18 Ft Lbs Turbocharger to Exhaust Connector Seal Rings Hard end gaps 180 degrees Turbocharger to Exhaust Connector mounting bolts 29-31 Ft Lbs Intake Manifold Bolts , Studs , Nuts , Tightening Torque 14 - 18 Ft Lbs Intake Manifold Flatness of Exhaust Manifold Gasket Surface less than 0.5MM or .020 Inch Intake Pipe Bolts, Studs, Nuts, 11-18 Ft Lbs Intake Manifold Brackets 26-36 Ft Lbs Glow Plug Tightening Torque 9 Ft Lbs Front Cover Timing Gear Cover Bolts Studs Nuts 14-18 Ft Lbs Idler Timing Gear Shaft Outside Diameter in MM 34.00 Limit 33.85 Idler Timing Gear Shaft Outside Diameter in Inches 1.339 Limit 1.333 Idler Timing Gear Bushing Inside Diameter in MM 0.25-0.75 Limit 0.20 Idler Timing Gear Bushing Inside Diameter in Inches .0010-.0029 Limit .0078 Idler Timing Gear to Thrust Plate Clearance, End Play, in MM .04-.13 Limit .30 Idler Timing Gear to Thrust Plate Clearance, End Play, in Inches .0016-.0051 Limit .0118 Camshaft Intake Lobe Lift Height in MM 7.18 Limit 6.38 Camshaft Intake Lobe Lift Height in Inches .2827 Limit .2512 Camshaft Exhaust Lobe Lift Height in MM 8.17 Limit 7.37 Camshaft Exhaust Lobe Lift Height in Inches .3217 Limit .2902 Camshaft Gear to Camshaft Thrust Plate, End Play, in MM .100-.178 Limit .300 Camshaft Gear to Camshaft Thrust Plate, End Play, in Inches .0040-.0070 Limit .012 Clearance between Camshaft Journal and Camshaft Bearing in MM .03-.08 Limit .15 Clearance between Camshaft Journal and Camshaft Bearing in Inches .0012-.0031 Limit .0059
Hino H06C H06CT Engine Specifications and Torque Values Page 3 of 6
Hino H06C H06CT Engine Specifications and Torque Values Page 4 of 6 Injection Pump Drive Shaft to Injection Pump Drive Shaft Bushing Clearance in MM .030-.072 Limit .300 Injection Pump Drive Shaft to Injection Pump Drive Shaft Bushing Clearance in Inches .0012.0028 Limit .0120 Injection Pump Drive Gear to Thrust Plate Clearance, End Play, in MM .100-.200 Limit .300 Injection Pump Drive Gear to Thrust Plate Clearance, End Play, in Inches .0039-.0078 Limit .0120 Injection Pump Drive Shaft Sleeve End to Injection Pump Drive Shaft End in MM 27.10-27.70 Injection Pump Drive Shaft Sleeve End to Injection Pump Drive Shaft End in Inches 1.06701.0905 Idler Gear Shaft Retainer Bolts tightening torque 37-47 Ft Lbs Injection Pump Drive Gear to Injection Pump Drive Shaft 115-130 Ft Lbs Injection Pump Drive Shaft Retainer Bolts tightening torque 14-18 Ft Lbs Camshaft Retainer Bolts 14-18 Ft Lbs Camshaft Gear to Camshaft Bolt 181-216 Ft Lbs Idler Timing Gear Bolt 80-94 Ft Lbs Camshaft Gear to Idler Timing Gear Backlash in MM .05-.11 Limit .30 Camshaft Gear to Idler Timing Gear Backlash in Inches .0020-.0043 Limit .0118 Injection Pump Drive Gear to Idler Timing Gear Backlash in MM .05-.11 Limit .30 Injection Pump Drive Gear to Idler Timing Gear Backlash in Inches .0020-.0043 Limit .0118 Crankshaft Gear to Idler Timing Gear Backlash in MM .05-.11 Limit .30 Crankshaft Drive Gear to Idler Timing Gear Backlash in Inches .0020-.0043 Limit .0118 Oil Pump Drive Gear to Crankshaft Timing Gear Backlash in MM .07-.22 Limit .35 Oil Pump Drive Gear to Crankshaft Timing Gear Backlash in Inches .0028-.0086 Limit .0138 Oil Pump Mounting Bolts tightening torque 28-36 Ft Lbs Oil Pump Tube Screen to Oil Pump 14-16 Ft Lbs Crankshaft Damper to Crankshaft 398-506 Ft Lbs Camshaft Pully to Crankshaft Damper 32-36 Ft Lbs Oil Pan Bolts 14-16 Ft Lbs Clearance Between Piston Pin and Connecting Rod Bushing in MM .015-.036 Limit 1.00 Clearance Between Piston Pin and Connecting Rod Bushing in Inches .0006-.0014 Limit .0040 Connecting Rod Bolt Nuts tightening torque 120-133 Ft Lbs Connecting Rod Bearing to Crankshaft Journal Oil Clearance in MM .031-.082 Limit .150 Connecting Rod Bearing to Crankshaft Journal Oil Clearance in Inches .0012-.0032 Limit .0059 Main Bearing Cap Bolts tightening torque 115-130 Ft Lbs Main Bearing to Crankshaft Journal Oil Clearance in MM .051-.102 Limit .150 Main Bearing to Crankshaft Journal Oil Clearance in Inches .0020-.0040 Limit .0059 Hino H06C H06CT Engine Specifications and Torque Values Page 4 of 6
Hino H06C H06CT Engine Specifications and Torque Values Page 5 of 6 Crankshaft to Thrust Washers Clearance, Crankshaft End Play, in MM .050-.219 Limit .500 Crankshaft to Thrust Washers Clearance, Crankshaft End Play, in Inches .0020-.0086 Limit .0200 Cylinder Liner Inside Diameter in MM, Nominal 108 Limit 108.15 Cylinder Liner Inside Diameter in Inches, Nominal 4.25 Limit 4.2579 Cylinder Liner Protrusion from Top of Block in MM .01-.08 Cylinder Liner Protrusion from Top of Block in Inches .0004-.0031 Piston to Cylinder Liner Clearance in MM .192-.224 Piston to Cylinder Liner Clearance in Inches .0076-.0088 #1 Piston Ring End Gap in MM .30-.45 Limit 1.5 #2 Piston Ring End Gap in MM .30-.45 Limit 1.2 #3 Piston Ring End Gap in MM .30-.45 Limit 1.2 #4 Oil Piston Ring End Gap in MM .30-.50 Limit 1.2 #1 Piston Ring End Gap in Inches .012-.017 Limit .059 #2 Piston Ring End Gap in Inches .012-.017 Limit .047 #3 Piston Ring End Gap in inches .012-.017 Limit .047 #4 Oil Piston Ring End Gap in Inches .012-.019 Limit .047 Rear Crankshaft Oil Seal Housing bolt tightening torque 14-18 Ft Lbs Flywheel Housing to Block bolt tightening torque Bolt size M10 29-36 Ft Lbs – Bolt Size M12 47-62 Ft Lbs Flywheel Bolts to Crankshaft 130-144 Ft Lbs Oil Pump Relief Valve tightening torque 58-65 Ft Lbs Oil Cooler Element to Oil Cooler Housing 8-10 Ft Lbs Oil Cooler Housing to Block 14-18 Ft Lbs Oil Filter Housing to Block 19-21 Ft Lbs Oil Regulator Valve Cap 15-21 Ft Lbs Oil Cooler Relief Valve Cap 19-21 Ft Lbs Oil Regulator Housing to Block 19-21 Ft Lbs Oil Pressure Switch tightening torque: 28 Ft Lbs Oil Pressure Sensor tightening torque: 26 Ft Lbs Oil Line to Injection Pump Bolts: 18 Ft Lbs Oil Line to Injection Pump Hollow Bolts: 19 Ft Lbs Thermostat Cover Bolts 14-19 Ft Lbs Thermostat Housing to Head Bolts 28-36 Ft Lbs Hino H06C H06CT Engine Specifications and Torque Values Page 5 of 6
Hino H06C H06CT Engine Specifications and Torque Values Page 6 of 6 Water Temperature Switch 29 Ft Lbs Water Temperature Sensor27 Ft Lbs Water Manifold between oil cooler housing and cylinder head 14-18 Ft Lbs Water Pump Pulley 131-173 Ft Lbs Fan Pully Nut 131-173 Ft Lbs Fan Blade Bolts 26-36 Ft Lbs Engine Mount Bolts 72-86 Ft Lbs Injection Pump Drive Bearing Case 29 Ft Lbs Injection Pump Drive Shaft to Injection Pump 47 Ft Lbs Injection Pump Drive Shaft Coupling Bolts 22-25 Ft Lbs Injection Pump to Injection Pump Mounting Bracket 14-18 Ft Lbs Injection Pump Delivery Valve Holder 92-99 Ft Lbs Injection Pump Plunger and Barrel Assembly Flange to Injection Pump Housing Nuts: 28 Ft Lbs Governor Housing to Injection Pump Housing Bolts: 14 Ft Lbs Injection Pump Housing to Injection Pump Camshaft Bearing Holder Bolts: 14 Ft Lbs Governor Flyweight Nut: 39 Ft Lbs Input Fuel Line to Fuel Feed Pump Hollow Bolt: 29 Ft Lbs Fuel Feed Line from Fuel Feed Pump to Injection Pump Hollow Bolt: 29 Ft Lbs Fuel Filter Housing Hollow Bolts: 29 Ft Lbs Injector Fuel Return Banjo Bolt 1 Ft Lb Injector Fuel Line to Injector 21 Ft Lbs Injector Fuel Lines to Injection Pump 25 Ft Lbs Injector Cap Nut, on top of injector, 32 Ft Lbs Injector Nozzle Nut 44-57 Ft Lbs Injector Pop Pressure range 2489 to 2844 PSI, consult application specifications Injector Bolts to Head 10-13 Ft Lbs Fuel Shut Off mounting bolts 8-12 Ft Lbs For more details the Hino H06 H06CT Engine Workshop Manual is available here: www.Hino-H06.com Engine Parts for heavy equipment, Isuzu Diesel, Mitsubishi Diesel, Hino Diesel, Nissan Diesel, Mercedes Benz Diesel, Heavy Equipment Restoration Parts LLC 4730 118th Ave Fennville Michigan 49408 USA Phone: 269 673 1638 Fax: 269 673 7226 email: EngineParts@HeavyEquipmentRestorationParts.com Website: www.HeavyEquipmentRestorationParts.com Hino H06C H06CT Engine Specifications and Torque Values Page 6 of 6