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MBE 4000 Cylinder Head Cover

ADDITIONAL INFORMATION

SPECIFICATIONS

This section contains the specifications for servicing the engine. ‪

The torque specifications for the cylinder head cover are listed in Table . ‪

Description ‪

Torque Value ‪

Cylinder Head Cover Bolts ‪

20 Nm (15 lbft) ‪

Cylinder Head Cover Torque Values

The cylinder head warpage limits are listed in Table . The specifications for measuring cylinder liner protrusion are listed in Table . Cylinder head bolt length is listed in Table . The tightening stages for cylinder head bolts are listed in Table . Oil pressure readings are listed in Table . Cylinder head torque values are listed in Table . Cylinder head specifications are listed in Table . The specifications for compression testing are listed in Table and listed in Table . ‪

Description

Limit

Over a length of 150 mm (6 in.) ‪

0.015 mm (0.0006 in.) ‪

Head Warpage Limits

Description

Value: mm (inch)

Cylinder Liner Protrusion from block ‪

0.2305-0.330 mm (0.0090-0.0130 in.) ‪

Difference between the four measuring points ‪

Max.: 0.02 mm (0.0007 in.) ‪

Specifications for Measuring Cylinder Liner Protrusion

Description

Length

Shaft length when new ‪

210.0 mm (8.27 inches) ‪

Maximum shaft length ‪

212.0 mm (8.35 inches) ‪

Cylinder Head Bolt Lengths

Size

Max. Shaft Length

Tightening Stage

Torque Value (Repair work in the field)

M15 x 2 ‪

212.0 mm (8.35 in.) ‪

Stage 1 ‪

10 Nm (7 lbft) ‪

Stage 2 ‪

50 Nm (37 lbft) ‪

Stage 3 ‪

100 Nm (74 lbft) ‪

Stage 4 ‪

200 Nm (148 lbft) ‪

Stage 5 ‪

90 more ‪

Stage 6 ‪

90 more ‪

Tightening Stages, Cylinder Head Bolts

Description

Minimum Oil Pressure Reading

Engine at Idle Speed ‪

50 kPa (7 psi) ‪

Engine at Max. rpm ‪

250 kPa (36 psi) ‪

Oil Pressure Readings

Description ‪

Torque Value ‪

Exhaust Manifold Bolts ‪

50 Nm (37 lbft) ‪

High-Pressure Fuel Injector Lines ‪

25 Nm (18 lbft) ‪

Inspection Cover on Flywheel Housing ‪

25 Nm (18 lbft) ‪

Rocker Arm Mounting Bolts ‪

60 Nm (44 lbft); then another 90 ‪

Cylinder Head Torque Values

What To Measure

How To Measure

mm (inch)

Maximum Permissible Warpage of Head Mating Surface ‪

Lengthwise and Diagonally ‪

0.015 (0.0006) ‪

Maximum Permissible Parallelism Deviation of Head Mating Surface ‪

At Each of the Four Corners ‪

0.1 (0.004) ‪

Overall Height of Cylinder Head ‪

When New ‪

113.85-114.15 (4.482-4.494) ‪

After Machining ‪

113.5 (4.46) ‪

Cylinder Head Specifications

Description

Pressure in kPa (psi)

Minimum Compression Pressure Valve ‪

2800 (406) ‪

Permissible Difference Between Individual Cylinders ‪

400 (58) ‪

Compression Pressure Test Data

Description ‪

Nm (lbft) ‪

Tensioning Arm Bolts ‪

50 (37) ‪

Tensioning Arm Bolt Torque Values

The cylinder liner installation tolerances are listed in Table . The cylinder liner inspection tolerances are listed in Table . Cylinder Liner measurements are listed in Table . The specifications for measuring cylinder liner protrusion are listed in Table . ‪

Description

Value: mm (in.)

Cylinder Liner Protrusion, From Block, , Ref. A. ‪

0.2300.330 (0.00900.0130) ‪

Height of the Cylinder Liner Collar, , Ref. B. ‪

10.1010.12 (0.39760.3984) ‪

Depth of the Collar Seat, , Ref. C. ‪

9.95010.010 (0.3920.3941) ‪

Thickness of the Seat Insert ‪

0.140.16 (0.00550.0063) ‪

Cylinder Liner Installation Tolerances

Description

Value: mm (in.)

Admissible Out-of-Round of the Cylinder Liner, where it contacts the O-rings ‪

Max.: 0.02 (0.0007) ‪

Admissible Deformation of the Cylinder Liner Collar, at the Contact Surface with the Seat Insert ‪

Max.: 0.02 (0.0007) ‪

Admissible Deformation of the Liner Collar Seat, at the Contact Surface with the Seat Insert ‪

Max.: 0.03 (0.0011) ‪

Cylinder Liner Inspection Tolerances

Where To Measure

What To Measure

Value: mm (in.)

Measuring Point 1: at the O-ring area ‪

Inside Diameter of the Cylinder Liner, A class ‪

127.990127.995 (5.03905.0392) ‪

Measuring Point 1: at the O-ring area ‪

Inside Diameter of the Cylinder Liner, B class ‪

127.995128.005 (5.03925.0396) ‪

Measuring Point 1: at the O-ring area ‪

Inside Diameter of the Cylinder Liner, C class ‪

128.005128.010 (5.03965.0398) ‪

Measuring Point 2: Upper Reversal Point of the First Piston Ring ‪

Max. Wear to Cylinder Liner, Measured Along Axis A and Axis B ‪

0.08 (0.003) ‪

At Measuring Point 2, Compare Axis A to Axis B ‪

Admissible Wear-Out ‪

Max.: 0.08 (0.003) ‪

Cylinder Liner Measurements

Description

Value: mm (in.)

Cylinder Liner Protrusion From Block ‪

0.2450.315 (0.00960.0124) ‪

Difference Between the Four Measuring Points ‪

Max.: 0.02 (0.0007) ‪

Specifications for Measuring Cylinder Liner Protrusion

The specifications for the torque of the main bearing-cap bolts is listed in Table . Crankshaft specifications are listed in Table . The dimensions for the center bearing shell and bearing journal are listed in Table . The crankshaft bearing journal dimensions are listed in Table . The main and connecting-rod bearing as well as the main bearing shell dimensions are listed in Table and listed in Table . The torque values for the crankshaft counterweight bolts are listed in Table . ‪

Max. Shaft Length: mm (in.)

Tightening Stage

Torque Value: Nm (lbft)

156.0 mm (6.14 in.) ‪

Stage 1 ‪

100 (74) ‪

156.0 mm (6.14 in.) ‪

Stage 2 ‪

200 (148) ‪

156.0 mm (6.14 in.) ‪

Stage 3 ‪

300-330 (221-243) ‪

156.0 mm (6.14 in.) ‪

Stage 4 ‪

additional 90-100 degrees ‪

Tightening Stages, Main Bearing-Cap Bolts

Description

Specification in mm (inches)*

Main Bearing and Connecting Rod Journal Hardness (Rockwell hardness) ‪

53 to 59 HRC ‪

Permissible Deviation From True of Crankshaft ‪

0.09 (0.004) ‪

Permissible Out-Of-Round for Main and Connecting-Rod Bearing Journals - When New or Reground ‪

0.01 (0.0004) ‪

Permissible Out-Of-Round for Main and Connecting-Rod Bearing Journals - Wear Limit ‪

0.02 (0.0008) ‪

Fillet Radii of Main Bearing and Connecting-Rod Bearing Journals ‪

4.2-4.5 (0.165-0.177) ‪

Crown of Main Bearing Journals and Connecting-Rod Journals ‪

0.000-0.004 (0.0000-0.0002) ‪

Main Bearing Outside Diameter (diameter of bearing shell housing ‪

111.000-111.022 (4.3701-4.3709) ‪

Permissible Imbalance of Crankshaft -at 400 rpm ‪

0.6 Ncm (0.05 lbin) ‪

Crankshaft Specifications



Size: mm (in.)

Center Bearing Shell Width

Center Bearing Journal Width

Standard ‪

45.74-45.81 (1.801-1.804) ‪

46.000-46.062 (1.8110-1.8135) ‪

Undersize - 0.50 (0.020) ‪

46.24-46.31 (1.820-1.823) ‪

46.500-46.562 (1.8307-1.8331) ‪

Undersize - 1.00 (0.040) ‪

46.74-46.81 (1.840-1.843) ‪

47.000-47.062 (1.8504-1.8528) ‪

Bearing Shell and Bearing Journal Width

Size: mm (in.)

Main Bearing Journal Diameter: mm (in.)

Connecting-Rod Bearing Journal Diameter: mm (in.)

Standard ‪

103.980-104.000 (4.0937-4.0945) ‪

89.980-90.000 (3.5425-3.5433) ‪

Undersize - 0.10 (0.004) ‪

103.880-103.900 (4.0898-4.0905) ‪

89.880-89.900 (3.5386-3.5394) ‪

Undersize - 0.25 (0.010) ‪

103.730-103.750 (4.0839-4.0846) ‪

89.730-89.750 (3.5327-3.5335) ‪

Undersize - 0.50 (0.020) ‪

103.480-103.500 (4.0740-4.0748) ‪

89.480-89.500 (3.5228-3.5236) ‪

Undersize - 0.75 (0.030) ‪

103.230-103.250 (4.0642-4.0650) ‪

89.230-89.250 (3.5130-3.5138) ‪

Undersize - 1.00 (0.040) ‪

102.980-103.000 (4.0543-4.0551) ‪

88.980-89.000 (3.5031-3.5039) ‪

Crankshaft Journal Diameters

Type of Journal:

mm (in.) ‪

Width in

mm (in.) ‪

Main Journal ‪

46.000-46.250 ‪

(1.8110-1.8209) ‪

Connecting-Rod Journal ‪

46.0-46.1 ‪

(1.811-1.815) ‪

Bearing Journal Width

Size: mm (in.)

Main Bearing Inside Diameter

Main Journal Outside Diameter

Standard ‪

104.060-104.106 (4.0968-4.0987) ‪

103.980-104.000 (4.0937-4.0945) ‪

Undersize - 0.10 (0.004) ‪

103.960-104.006 (4.0929-4.0947) ‪

103.880-103.900 (4.0898-4.0905) ‪

Undersize - 0.25 (0.010) ‪

103.810-103.856 (4.0870-4.0888) ‪

103.730-103.750 (4.0839-4.0846) ‪

Undersize - 0.50 (0.020) ‪

103.560-103.606 (4.0772-4.0790) ‪

103.480-103.500 (4.0740-4.0748) ‪

Undersize - 0.75 (0.030) ‪

103.310-103.356 (4.0673-4.0691) ‪

103.230-103.250 (4.0642-4.0650) ‪

Undersize - 1.00 (0.040) ‪

103.060-103.106 (4.0575-4.0593) ‪

102.980-103.000 (4.0543-4.0551) ‪

Bearing Shell and Bearing Journal Diameter

Size ‪

Shaft Length when New ‪

Max. Bolt Length ‪

Tightening Stage ‪

Torque Value: Nm (lbft) ‪

- ‪

69.95 - 70.00 mm (2.754 - 2.756 in.) ‪

71.20 mm (2.803 in.) ‪

Stage 1 ‪

150 (111) ‪

Stage 2 ‪

Additional 90 ‪

Torque Values for Crankshaft Counterweight Bolts

The flywheel specifications are listed in Table . The ring gear specifications are listed in Table . Listed in Table are the torque values for the flywheel and the flywheel housing. The tightening stages for the flywheel mounting bolts are listed in Table . ‪

Description

Specification in mm (inches)

Flywheel Outside Diameter ‪

486.60-487.40 (19.157-19.189) ‪

Flywheel Shoulder Diameter (for ring gear mounting) ‪

432.450-432.645 (17.0256-17.0332) ‪

Flywheel Diameter at Crankshaft Flange ‪

114.980-115.015 (4.5268-4.5281) ‪

Flywheel Diameter for Mounting Clutch ‪

475.000-475.063 (18.7008-18.7032) ‪

Flywheel Minimum Width Between Friction Surface and Mounting Flange After Machining ‪

60 (2.4) ‪

Flywheel Maximum Overall Width ‪

70 (2.8) ‪

Peak-to-Valley Height (R z ) of Clutch Friction Surface ‪

0.016 (0.0006) ‪

Flywheel Permissible Deviation From True (radial and lateral) ‪

0.2 (0.008) ‪

Flywheel Specifications

Description

Specification, mm (in.)

Flywheel Shoulder Diameter (for ring gear mounting) ‪

432.450-432.645 mm (17.0256-17.0332 inches) ‪

Hole for Mounting Clutch Pressure Plate ‪

M10 x 1.5 ‪

Ring Gear Inside Diameter ‪

432.000-432.155 mm (17.0078-17.0139 inches) ‪

Ring Gear/Flywheel Interference Fit ‪

0.295-0.645 mm (0.0116-0.0254 inch) ‪

Ring Gear/Flywheel Permissible Radial Runout ‪

0.5 mm (0.02 inch) ‪

Ring Gear Width ‪

18.4-18.6 mm (0.72-0.73 inch) ‪

Ring Gear Fitting Temperature ‪

200-230C (390-450F) ‪

Flywheel Ring Gear Specifications

Item ‪

Torque, Nm (lbft) ‪

Inspection Cover on Flywheel Housing ‪

25 (18) ‪

Flywheel Housing Mounting Bolts (to cylinder block) ‪

70 (52) ‪

Vibration Damper Mounting Bolts (to crankshaft) ‪

200 (148) ‪

Torque Values for Flywheel and Flywheel Housing

Max. Shaft Length, mm (in.)

Tightening Stage

Torque Value, Nm (lbft)

77.0 mm (3.03 in) ‪

Stage 1 ‪

200 Nm (147.5 lbft) ‪

77.0 mm (3.03 in) ‪

Stage 2 ‪

90 degrees ‪

Tightening Stages, Flywheel Mounting Bolts

The piston projection specifications are listed in Table . The piston ring end-gap dimensions are listed in Table . Listed in Table are the pistons inspection specifications. The tightening stages for the connecting rod stretch bolts are listed in Table . The connecting rod dimensional tolerances are listed in Table . Listed in Table are the connecting rod bearing play specifications. The specifications for the diameter of the bearing bore are listed in Table . Listed in Table are the bearing journal specifications. The connecting rod bushing specifications are listed in Table . ‪

Description ‪

mm (in.) ‪

Piston Projection (from TDC) ‪

0.244 to 0.715 (0.0096 to 0.0281) ‪

Piston Projection Specifications

Ring Designation

Groove

Gap When New, mm (in.)

Maximum End Gap, mm (in.)

Keystone ‪

I ‪

0.45 to 0.60 ‪

(0.018 to 0.024) ‪

1.0 (.039) ‪

Taper-Faced with Internal Angle ‪

II ‪

0.40 to 0.55 ‪

(0.016 to 0.022) ‪

1.0 (.039) ‪

Double-Chamfered Oil Control with Garter Spring ‪

III ‪

0.40 to 0.55 ‪

(0.016 to 0.022) ‪

1.0 (.039) ‪

Piston Ring End-Gap Dimensions

Description

Dimensions: mm (inch)

Piston Compression Height ‪

79.50-79.55 (3.130-3.132) ‪

Wrist Pin Bore Diameter ‪

52.03-52.04 (2.0484-2.0488) ‪

Wrist Pin Diameter ‪

51.992-51.998 (2.0469-2.0472) ‪

Piston Inspection Specifications

Max. Shaft Length ‪

Tightening Stage ‪

Torque Value ‪

68.5 mm (2.70 in.) ‪

Stage 1 ‪

100-115 Nm (74-85 lbft) ‪

Stage 2 ‪

additional 90-100 ‪

Tightening Stages, Connecting Rod Stretch Bolts

Description

Dimensions: mm (inch)

Length of Connecting Rod ‪

255.970-256.030 (10.0775-10.0799) ‪

Basic Bore Diameter for Connecting Rod Bearings ‪

99.000-99.022 (3.8976-3.8985) ‪

Maximum Permissible Out-of-Round in Bearing Bore ‪

0.01 (0.0004) ‪

Maximum Permissible Out-of-Round in Bushing Bore ‪

0.01 (0.0004) ‪

Maximum Difference in Axial Parallelism Between Bearing Bore and Bushing Inner Surface ‪

0.030 (0.0012) ‪

Width of Connecting Rod (at big end) ‪

44.308-44.370 (1.7444-1.7468) ‪

Width of Connecting Rod Journal ‪

44.5-44.6 (1.75-1.76) ‪

Distance from Connecting Rod Center Line for Measuring Parallelism ‪

50 (2) ‪

Connecting Rod Dimensional Tolerances

Description

Dimensions: mm (inch)

Radial Play ‪

0.054 - 0.116 (0.0021 - 0.0046) ‪

End Play (axial play) ‪

0.130 - 0.292 (0.0051 - 0.0115 ‪

Connecting Rod Bearing Play Specifications

Repair Stage: mm (in.)

Diameter: mm (in.)

Standard ‪

94.054-94.096 (3.7029-3.7046) ‪

Undersize - 0.1 (0.004) ‪

93.954-93.996 (3.6990-3.7006) ‪

Undersize - 0.25 (0.010) ‪

93.804-93.846 (3.6931-3.6947) ‪

Undersize - 0.50 (0.020) ‪

93.554-93.596 (3.6832-3.6848) ‪

Undersize - 0.75 (0.030) ‪

93.304-93.346 (3.6764-6.6750) ‪

Undersize - 1.00 (0.040) ‪

93.054-93.096 (3.6635-3.6652) ‪

Bearing Bore Inside Diameter with Bearing Shells Installed

Repair Stage: mm (in.)

Diameter: mm (in.)

Standard ‪

93.980-94.000 (3.7000-3.7007) ‪

Undersize - 0.10 (0.004) ‪

93.880-93.900 (3.6960-3.6968) ‪

Undersize 0.25 (0.010) ‪

93.730-93.750 (3.6901-3.6909) ‪

Undersize 0.50 (0.020) ‪

93.480-93.500 (3.6803-3.6811) ‪

Undersize 0.75 (0.030) ‪

93.230-93.250 (3.6705-3.6712) ‪

Undersize 1.00 (0.040) ‪

92.980-93.000 (3.6606-3.6614) ‪

Bearing Journal Specifications

Description

Dimensions: mm (in.)

Inside Diameter of Bushing ‪

52.05-52.07 (2.049-2.050) ‪

Outside Diameter of Bushing ‪

57.080-57.100 (2.2472-2.2480) ‪

Inside Diameter of Bushing Bore ‪

57.000-57.019 (2.2441-2.2448) ‪

Bushing Interference Fit ‪

0.061-0.100 (0.0024-0.0039) ‪

Maximum Permissible Out-of-Round in Bushing Bore ‪

0.01 (0.0004) ‪

Bushing Specifications

The valve removal/installation specifications are listed in Table . The valve standback specifications are listed in Table . The valve guide inside diameter measurements are listed in Table . The spring specifications for the intake and exhaust valves are listed in Table . The valve lift specifications are listed in Table . The measurements for valve lash checking are listed in Table . The measurements for valve seat specifications for an EGRengine are listed in Table . ‪

Description ‪

Intake, mm (in.) ‪

Exhaust-EPA98, mm (in.) ‪

Exhaust-EPA04, mm (in.) ‪

Valve stem diameter (A) ‪

8.935-8.950 (0.3518-0.3524) ‪

8.925-8.940 (0.3514-0.3520) ‪

8.925-8.940 (0.3514-0.3520) ‪

Valve seat diameter at head contact surface (B) ‪

42.0 (1.65) ‪

39.0 (1.54) ‪

39.0 (1.54) ‪

Valve head diameter (C) ‪

45.4-45.6 (1.79-1.80) ‪

40.9-41.3 (1.61-1.63) ‪

41.9-42.3 (1.65-1.67) ‪

Valve seat height-new (D) ‪

3.1-3.3 (0.12-0.13) ‪

2.8-3.1 (0.11-0.12) ‪

3.0-3.3 (0.12-0.13) ‪

Minimum valve seat height-after grinding (D) ‪

2.9 (0.11) ‪

2.3 (0.09) ‪

2.9 (0.11) ‪

Valve seat width at valve head (E) ‪

3.5-4.5 (0.14-0.18) ‪

3.5-4.5 (0.14-0.18) ‪

min. 3.5 (0.14) ‪

Valve seat angle (F) ‪

30 degrees ‪

45 degrees ‪

36 degrees ‪

Valve length (G) ‪

145.0 (5.71) ‪

145.0 (5.71) ‪

145.0 (5.71) ‪

Valve Removal/Installation Specifications in mm (in.) for non-EGR and EGRengines

Valve Type

Description

mm (inch)

Intake ‪

Normal ‪

0.7-1.1 (0.03-0.04) ‪

Intake ‪

Wear Limit ‪

1.6 (0.06) ‪

Exhaust ‪

Normal ‪

0.7-1.1 (0.03-0.04) ‪

Exhaust ‪

Wear Limit ‪

1.6 (0.06) ‪

Valve Standback

Description

mm (inch)

Normal ‪

9.000-9.022 (0.3543-0.3552) ‪

Wear Limit ‪

9.050 (0.3563) ‪

Inside Diameter of Valve Guide

Description

mm (inches)

Length, Without Load ‪

69.7 (2.74) ‪

Length, Under Load of 382-418 Nm (86-94 lbft) ‪

49 (1.9) ‪

Length, Under Load of 644-706 Nm (145-159 lbft) ‪

37 (1.5) ‪

Diameter of Spring Wire ‪

4.2 (0.17) ‪

Outside Diameter of Spring Coil ‪

28.9 (1.14) ‪

Inside Diameter of Spring Coil ‪

24.5-24.9 (0.96-0.98) ‪

Spring Specifications, Intake and Exhaust Valves

Description

Specification

Specified Dial Gauge Preload for Checking Valve Lift ‪

15 mm (0.60 in) ‪

Valve Lift with Intake Valves Completely Open ‪

11.546 mm (at least 0.4546 in) ‪

Valve Lift with Exhaust Valves Completely Open ‪

11.963 mm (at least 0.4710 in) ‪

Inspection Cover Bolt Torque ‪

25 Nm (18 lbft) ‪

Valve Lift Specifications

Valve Type

Check For: mm (inches)

Adjust to: mm (inches)

Intake ‪

0.30 to 0.60 (0.012 to 0.024) ‪

0.40 (0.016) ‪

Exhaust ‪

0.50 to 0.80 (0.020 to 0.032) ‪

0.60 (0.024) ‪

Valve Lash Checking and Adjustment

Description ‪

Intake Valve, mm (in.) ‪

Exhaust Valve-non-EGR, mm (in.) ‪

Exhaust Valve-EGR, mm (in.) ‪

Valve seat angle (E) ‪

30 Degree ‪

45 Degree ‪

36 Degree ‪

Valve seat surface diameter (G) ‪

41.99-42.01(1.65-1.654 ‪

38.99-39.0 (1.535-1.535) ‪

38.99-39.01(1.535-1.536) ‪

Relative position (H) to diameter G ‪

4.00-4.15 (0.157-0.163) ‪

3.80-3.95 (0.15-0.16) ‪

4.00-4.15 (0.157-0.163) ‪

Valve Seat Specifications for EGREngine

The rocker arm mounting bolt specifications are listed in Table . Listed in Table are the rocker arm specifications. Listed in Table are the rocker arm bushing specifications. ‪

Size

Max. Shaft Length

Torque Value

M12 ‪

91 mm (3.6 in) ‪

60 Nm (44 lbft) ‪

additional 90 ‪

Specifications, Rocker Arm Mounting Bolts

Description

Stage

Specification

Outside Diameter of Valve Tappets ‪

Normal ‪

29.931-29.952 mm ‪

(1.1784-1.1792 in) ‪

Outside Diameter of Valve Tappets ‪

Repair Stage I ‪

30.444-30.465 mm ‪

(1.1986-1.1994 in) ‪

Diameter of Tappet Seats (in cylinder block) ‪

Normal ‪

30.000-30.021 mm ‪

(1.1811-1.1819 in) ‪

Diameter of Tappet Seats (in cylinder block) ‪

Repair Stage I ‪

30.500-30.525 mm ‪

(1.2008-1.2018 in) ‪

Total Length of Pushrods ‪

345.0-346.5 mm (13.58-13.64 in) ‪

Maximum Pushrod Warpage ‪

0.5 mm (0.02 in) ‪

Maximum Length of Rocker Arm Mounting Bolts ‪

91 mm (3.6 in) ‪

Rocker Arm Specifications

Description

Specification, mm (inch)

Bushing Inside Diameter (when installed) ‪

25.005-25.021 mm (0.9844-0.9851 in) ‪

Shaft Diameter ‪

24.967-24.980 mm (0.9830-0.9835 in) ‪

Rocker Arm Bushing Specifications

The camshaft specifications arelisted in Table . The valve tappet specifications are listed in Table . Listed in Table are the torque values for the camshaft. ‪

What To Measure

Where To Measure

Value: mm (inch) Unless otherwise noted

Hardness of Surface ‪

At Cams and Journals ‪

5763 HRC ‪

Camshaft Radial Runout When Mounted on Outer Bearing Journals ‪

At Gear Seat ‪

0.020 (0.0008) ‪

Camshaft Radial Runout When Mounted on Outer Bearing Journals ‪

At Cam Circle ‪

0.025 (0.0010) ‪

Camshaft Radial Runout When Mounted on Outer Bearing Journals ‪

At Camshaft Journals ‪

0.030 (0.0012) ‪

Minimum Valve Cam RiseAbove Basic Circle ‪

Intake Valve ‪

7.3 (0.29) ‪

Minimum Valve Cam RiseAbove Basic Circle ‪

Exhaust Valve ‪

8.2 (0.32) ‪

Camshaft Journal Diameter ‪

For New Camshaft ‪

81.89381.928 (3.22413.2255) ‪

Bushing Diameter ‪

At Camshaft Journals ‪

82.00082.035 (3.22833.2297) ‪

Gear Back Lash ‪

Cam Gear to Crank Gear ‪

0.0740.176 (0.00