ar0140d9202we

Measure cylinder bores

Type ar · topic 01.40 · version 0200 · 2017-06-20

Applies to: Engine 271, 642, 646, 651 in model 906 Engine 651 in model 900

Where it sits

Function group 1 Engine › 01 Complete engine, crankcase ventilation, cylinder head, crankcase › 01.40 Crankcase, timing case cover, end cover — Series 646 · Series 651 · Series 900 · Series 906

EinPAS 15 Engine › 15.15 Combustion engine, complete/engine housing/crank assembly › 15.15.31 Crankcase/oil separator/ventilation — Series 646 · Series 651 · Series 900 · Series 906

Also applies to engines/gearboxes: 271 ***, 642 ***

AR01.40-D-9202WE

Measure cylinder bores

06.06.2017

Engine	271, 642, 646, 651 in model 906
Engine	651 in model 900

Modification notes

18.04.2017

Cylinder liner dia.

BE01.40-N-1001-01G

Measure cylinder bores

1	Cylinder bore measuring point
2	Cylinder bore measuring point
3	Cylinder bore measuring point
A	Direction of travel
B	Transverse direction
a	Upper reversal point for 1st piston ring
b	Bottom dead center of piston
c	Bottom reversal point of oil scraper ring

P01.40-0228-06

Picture no., etc.	Work notes
1, 2, 3	Cylinder bore measuring points	 Measure cleaned cylinder bores with a dial indicator and quick button for inner measurements on cylinder bore measuring points (1, 2, 3) in direction of travel (A) and transverse direction (B).
		Engine 646 in model 906Cylinder liner bore dia.	*BE01.40-N-1001-01D
		Engine 646 in model 906Cylinder liner bore	*BE01.40-N-1003-01D
		Engine 642 in model 906Cylinder liner Ø	*BE01.40-N-1001-01E
		Engine 642 in model 906Cylinder liner	*BE01.40-N-1002-01E
		Engine 271.951 in model 906Cylinder Ø	*BE01.40-N-1001-01F
		Engine 271.951 in model 906Cylinder bore	*BE01.40-N-1002-01F
		Engine 651 in model 900, 906Cylinder liner dia.	*BE01.40-N-1001-01G
		 Dial gage	*001589322100

Check values for cylinder bore

Number	Designation			Engine 646 in model 906
BE01.40-N-1001-01D	Cylinder liner bore dia.	Standard dimension	mm	88,0
		Group code letter A	mm	88,000...88,006
		Group code letter X	mm	88,006...88,012
		Group code letter B	mm	88,012...88,018

Check values for cylinder bore

Number	Designation			Engine 642 in model 639 Engine 642 in model 906
BE01.40-N-1001-01E	Cylinder liner Ø	Standard dimension	mm	83,009
		Group code letter A	mm	83,000...83,006
		Group code letter X	mm	83,006...83,012
		Group code letter B	mm	83,012...83,018
		Repair stage 1	mm	83,050
		Repair stage 2	mm	83,100

Check values for cylinder bore

Number	Designation			Engine 271.951 in model 906
BE01.40-N-1001-01F	Cylinder Ø	Stage X	mm	82,000...82,010
		Stage 	mm	82,050...82,060
		Repair stage	mm	–

Check values for cylinder bore

Number	Designation			Engine 651 in model 639 Engine 651 in model 900, 906
BE01.40-N-1001-01G	Cylinder liner dia.	Standard dimension	mm	83,007...83,009

Check values for cylinder bore

Number	Designation			Engine 642 in model 639 Engine 642 in model 906
BE01.40-N-1002-01E	Cylinder liner	Wear limit in longitudinal and transverse direction	mm	0,20
		Permissible difference of cylinder shape (when new)	mm	0,000...0,007
		Wear limit	mm	0,05
		Permissible variation of rectangularity relative to cylinder height	mm	0,05
		Basic peak-to-valley height (R3)	mm	0,002...0,005
		Max. peak-to-valley height (Rmax)	mm	0,011

Check values for cylinder bore

Number	Designation			Engine 271.951 in model 906
BE01.40-N-1002-01F	Cylinder bore	Wear limit in longitudinal and transverse direction	mm	0,10
		Permissible difference of cylinder shape (when new)	mm	0,007
		Wear limit	mm	0,05

Check values for cylinder bore

Number	Designation			Engine 646 in model 906
BE01.40-N-1003-01D	Cylinder liner bore	Permissible difference of cylinder shape (when new)	mm	0,007
		Wear limit	mm	–

Measure cylinder bores

001 589 32 21 00

Dial gage