Data for Pressure and Tolerance

500.35

Edition 01H

Section

Description

mm. / bar

505

Maximum inner diameter, valve guide

14.25 mm.

Fer grinding of valve spindle and valve seat ring

(see also working card 505-01.10)

Minimum height of valve head, inlet vale and exhaust valve, "H" 1

5.0 mm.

Maximum height of spindle above cylinder head, "H" 2

83.3 mm

506

Piston and piston ring grooves (see working card 500-01.10)

Clearance in big-end bearing

0.15-0.20 mm

Clearance between conneeing rod bush and piston pin

0.15-0.20mm.

Maximum ovalness in big-end bore (without bearing)

0.08 mm.

New cylinder liner, inside diameter

225,000-5,046mm.

Maximum inside diameter cylinder liner, max. ovalness 0.1 mm

225.50 mm

507

Clearance between teeth on intermediate wheel

0.2-0.3 mm.

508

Valve olearance, Inlet valve (cold engine 15-55°C)

0.50 mm.

Valve clearance, Exhaust vale (cold engine 15-55°C)

0.90 mm.

Maximum clearance between rocker arm bush and rocker arm shaft

0.30 mm.

509

Clearance between pick-up and impulse wheel

1 ±0.3mm

Clearance in main bearing

0.30 – 0.40 mm.

0,2-0,3 mm

514

Maximum combustion pressure at full load

Maximum difference between oylinders before overhaul

130 bar

A change of the height of the thrust piece spacer ring of 0.10 mm.

6 bar

will change the maximum pressure by

1° turning of camshaft gear wheel changes max. pressure by approx

1 bar

Opening pressure of fuel valve

3 bar

320 bar

Section

Description

mm. / bar

505

Maximum inner diameter, valve guide

14.25 mm.

For grinding of valve spindle and valve seat ring

(see also working card 505-01.10)

Minimum height of valve head, inlet valve and exhaust valve, "H" 1

5.0 mm.

Maximum height of spindle above cylinder head, "H" 2

83.3 mm

506

Piston and piston ring grooves (see working card 506-01.10)

Clearance in big-end bearing

0.15-0.20 mm

Clearance between connecting rod bush and piston pin

0.15-0.20 mm.

Maximum ovalness in big-end bore (without bearing)

0.08 mm.

New cylinder liner, inside diameter

225,000-225,046 mm.

Maximum inside diameter cylinder liner, max. ovalness 0.1 mm

225.50 mm

507

Clearance between camshaft and camshaft bearing

0.11-0.20 mm

Maximum clearance between camshaft and camshaft bearing

0.35 mm

Clearance between teeth on intermediate wheel

0.2-0.3 mm.

508

Valve clearance, Inlet valve (cold engine 15 - 55°C)

0.50 mm.

Valve clearance, Exhaust valve (cold engine 15 - 55°C)

0.90 mm.

Maximum clearance between rocker arm bush and rocker arm shaft

0.30 mm.

509

Clearance between pick-up and impulse wheel

1 ±0.3 mm

510

Deflection of crankchaft (autolog) (see working card 510-01.00)

Clearance between crankshaft and sealing ring, (upper and lower part)

0.30 - 0.40 mm.

Clearance in main bearing

0,2-0,3 mm

Clearance in guide bearing (axial)

0.15 - 0.44 mm

Maximum clearance in guide bearing (axial)

0.8 mm

514

Maximum combustion pressure at full load

130 ± 3 bar

Individual cylinders; admissible deviation from average

± 3 bar

For L23/30H 900 rpm version a pressure of 135 bar measured at the

indicator cock correspond to 130 bar in the combustion chamber

Opening pressure of fuel valve

320 bar

Description

Data for Torque Moment

500.40

Page 1 (1)

Edition 01S

L23/30H

720/750 rpm

Section

Description

Thread

Tightening

Lubricant

Torque

Pressure

Nm

bar

505

Cylinder cover stud(in frame)

Stud

M 48

200

Copaslip

Nur for cylinder cover stud

Nut

M 45

750

Copaslip

Cooling jacket cylinder cover

Screw

22

Copaslip

506

Connecting rod(see section 506)

507

Camshaft assembly

Nut

M12

50

Copaslip

Intermediate wheel shaft

Nut

M 20 x 1.5

250

Copaslip

Intermediate wheel gear

Nut

M12

40

Copaslip

Gear wheel on camshaft

Screw

M12

50

Unimoly

508

Housing for valve gear

Screw

M 12

60

Copaslip

Valve gear bracket rocker arm

Nut

M 16

150

Copaslip

510

Main bearing stud (in frame)

Stud

M 48

200

Copaslip

Nut for main bearing stud

Nut

M 45x3

750

Copaslip

Main bearing side screw

Screw

M 24

300

Copaslip

Counteweight on crankshaft

Screw

M 30X2

200

Copaslip

+ 60° turn

Vibrationdamper on crankshaft

Nut

M 27

400

Copaslip

Frame / baseframe

Nut

M 24

500

Copaslip

Flywheel mounting (fitted bolt)

Nut

M 20 x 1.5

200

Copaslip

Gear rim on flywheel

Screw

34

Copaslip

Gear wheel on crankshaft

Nut

M 10

40

Copaslip

514

Fuel pump distribution piece

Screw

M 8

25 - 30

Copaslip

Fuel pump top flange (barrel)

Screw

M 10

55 - 65

Copaslip

Fuel pump caviation plugs

Plug

M 20 x 1.5

100 - 120

Copaslip

Fuel primp mounting

(bottom flange)

Screw

M 16

150

Copaslip

Fuel valve (nozzle nut)

Nut

M 26 x 1.5

100 - 120

Copaslip

ruel valve mounting

Nut

M 16

40

Copaslip

Fuel vale (cap nut)

Nut

70

Copaslip

Fuel vale adjusting (lock nut)

Nut

100

Copaslip

High pressure pipe

Nut

M 18 X 1.5

40

Copaslip

515

Gear wheel on lub. oil pump

Nut

300

Copaslip

519

Conical elements mounting

Screw

M 20

150

Copaslip

Upper mouthing

Nut

M 20

320

Copaslip

Lower mounting

Conical elements mounting

Upper mouthing

Nut

M 27

300

Copaslip

Lower mounting

Screw

M 16

205

Copaslip

Section

Component

Plate No.

Item No.

Weight in Kg.

505

Cylinder Head, complete

50501-50502

250

50508-50510

506

Piston, complete

50601

081

45

Piston Pin

50601

019

19

Connecting Rod, complete without bearing

50601

068

95

Cylinder Liner, complete

50610

018

100

Cooling Water Jacket

50610

055

33

507

Camshaft, section

50705

014,026,038

29

508

Housing for Roller Guide

50801

016

17

509

Governor, complete

50901

021,104,116

28

511

Main Bearing Cap

51101

108

75

Guide Bearing Cap

51101

300

85

Front cover

51102

019

164

End cover, complete

51106

237

179

512

Turbocharger, complete

See special

instruction

Intermediate piece

51202

181

9

Air Cooler

51203

054

450

Inlet Bend

51203

138

93

513

Air Starter

51309

756

40

514

Fuel Injection Pump

51401

381

15

Fuel Injection Valve

51402

177

5

Fuel Oil Feed Pump

51410

290

22

515

Lubricating Oil Pump

51501

330

45

Thermostatic Valve

51503

115

29

Prelubricating Oil Pump, incl. el-motor

51504

242

20

Centrifugal Filter

51515

337

24

516

Thermostatic Valve

51604

114

29

Cooling Water Pump

51610

201

30