Service Data and Specifications (S.D.S.) - Inspection and Adjustment — CD17

EM-274spec table

Page header tab reads "CD". CD17 diesel engine specifications.

Inspection and Adjustment — CD17

COMPRESSION PRESSURE

Compression pressure

Item	Unit: kPa (bar, kg/cm², psi) at 200 rpm
Standard	3,138 (31.4, 32, 455)
Limit	2,452 (24.5, 25, 356)
Difference limit between cylinders	490 (4.9, 5, 71)

Standard

Unit: kPa (bar, kg/cm², psi) at 200 rpm3,138 (31.4, 32, 455)

Limit

Unit: kPa (bar, kg/cm², psi) at 200 rpm2,452 (24.5, 25, 356)

Difference limit between cylinders

Unit: kPa (bar, kg/cm², psi) at 200 rpm490 (4.9, 5, 71)

CYLINDER HEAD

Cylinder head

Item	Unit: mm (in)
Head surface flatness - Standard	Less than 0.05 (0.0020)
Head surface flatness - Limit	0.1 (0.004)
Nominal cylinder head height	116.6 - 117.0 (4.591 - 4.606)

Head surface flatness - Standard

Unit: mm (in)Less than 0.05 (0.0020)

Head surface flatness - Limit

Unit: mm (in)0.1 (0.004)

Nominal cylinder head height

Unit: mm (in)116.6 - 117.0 (4.591 - 4.606)

CAMSHAFT AND CAMSHAFT BEARING

Camshaft and camshaft bearing

Item	Standard	Max. tolerance
Camshaft journal clearance	0.045 - 0.086 (0.0018 - 0.0034)	0.1 (0.004)
Inner diameter of camshaft bearing	30.000 - 30.021 (1.1811 - 1.1819)	—
Outer diameter of camshaft journal	29.935 - 29.955 (1.1785 - 1.1793)	—
Camshaft runout	Less than 0.02 (0.0008)	0.05 (0.0020)
Camshaft end play	0.06 - 0.17 (0.0024 - 0.0067)	0.17 (0.0067)

Camshaft journal clearance

Standard0.045 - 0.086 (0.0018 - 0.0034)

Max. tolerance0.1 (0.004)

Inner diameter of camshaft bearing

Standard30.000 - 30.021 (1.1811 - 1.1819)

Max. tolerance—

Outer diameter of camshaft journal

Standard29.935 - 29.955 (1.1785 - 1.1793)

Max. tolerance—

Camshaft runout

StandardLess than 0.02 (0.0008)

Max. tolerance0.05 (0.0020)

Camshaft end play

Standard0.06 - 0.17 (0.0024 - 0.0067)

Max. tolerance0.17 (0.0067)

Cam height "A"

Item	Value
Cam height "A" - Intake	44.45 - 44.50 (1.7500 - 1.7520)
Cam height "A" - Exhaust	45.45 - 45.50 (1.7894 - 1.7913)
Wear limit of cam height - Intake	44.300 (1.7441)
Wear limit of cam height - Exhaust	45.300 (1.7835)

Cam height "A" - Intake

Value44.45 - 44.50 (1.7500 - 1.7520)

Cam height "A" - Exhaust

Value45.45 - 45.50 (1.7894 - 1.7913)

Wear limit of cam height - Intake

Value44.300 (1.7441)

Wear limit of cam height - Exhaust

Value45.300 (1.7835)

VALVE

Valve

Item	Unit: mm (in)
Valve head diameter "D" - Intake	36.00 (1.4173)
Valve head diameter "D" - Exhaust	31.00 (1.2205)
Valve length "L" - Intake & Exhaust	100.55 - 100.85 (3.9587 - 3.9705)
Valve stem diameter "d" - Intake	6.965 - 6.980 (0.2742 - 0.2748)
Valve stem diameter "d" - Exhaust	6.945 - 6.960 (0.2734 - 0.2740)
Valve seat angle "α"	45°30'
Valve margin "T" limit	0.5 (0.020)
Valve stem end surface grinding limit	0.5 (0.020)
Valve seat contact width - Intake	1.7 (0.067)
Valve seat contact width - Exhaust	1.8 (0.071)

Valve head diameter "D" - Intake

Unit: mm (in)36.00 (1.4173)

Valve head diameter "D" - Exhaust

Unit: mm (in)31.00 (1.2205)

Valve length "L" - Intake & Exhaust

Unit: mm (in)100.55 - 100.85 (3.9587 - 3.9705)

Valve stem diameter "d" - Intake

Unit: mm (in)6.965 - 6.980 (0.2742 - 0.2748)

Valve stem diameter "d" - Exhaust

Unit: mm (in)6.945 - 6.960 (0.2734 - 0.2740)

Valve seat angle "α"

Unit: mm (in)45°30'

Valve margin "T" limit

Unit: mm (in)0.5 (0.020)

Valve stem end surface grinding limit

Unit: mm (in)0.5 (0.020)

Valve seat contact width - Intake

Unit: mm (in)1.7 (0.067)

Valve seat contact width - Exhaust

Unit: mm (in)1.8 (0.071)

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