Measure cylinder bores

AR01.40-B-9202A

Measure cylinder bores

01.10.2019

Engine

904.9, 906.9, 924.9, 926.9 in model 382, 384, 634, 685

Engine

904.9, 906.9, 924.9, 926.9 in model 693, 695

Engine

904.9, 906.9, 924.9, 926.9

Engine

906.9, 926.9 in model 958

1

Engine block

2

Dial gauge

3

Gage for inside diameter

A,B

Measuring direction in the block

I

Measuring point in the reversion area of the first piston ring

II

Measuring point in the center of the cylinder running surface



Check

1

Check the cylinder running surfaces

 Sliding surfaces should not show signs of excessive wear and/or deformation.

2

Measure the cylinder diameter of the cylinders

.

AR01.40-B-9273B

.

AR01.40-B-9291C

.Cylinder's internal diameter, finishing

*BE01.40-B-1001-02C

.Out of round and taper in the cylinder/deviation from the cylinder's travel (with liner and without liner)

*BE01.40-B-1002-02C

.Maximum admissible wear at the sliding surface of the cylinders (with and without liners)

*BE01.40-B-1003-02C

 Dial gage

*001589532100

Engine block test values

Number

Designation

Engine 904.9, 906.9

Engine 924.9, 926.9

BE01.40-B-1001-02C

Cylinder's internal diameter, finishing

Normal

Tolerance A

mm

101,985...101,991

105,985...105,991

Tolerance B

mm

101,992...102,008

105,992...106,008

Tolerance C

mm

102,009...102,015

106,009...106,015

Repair I

Tolerance A

mm

102,285...102,291

106,285...106,291

Tolerance B

mm

102,292...102,308

106,292...106,308

Tolerance C

mm

102,309...102,315

106,309...106,315

Repair II

Tolerance A

mm

102,585...102,591

106,585...106,591

Tolerance B

mm

102,592...102,608

106,592...106,608

Tolerance C

mm

102,609...102,615

106,609...106,615

Repair III

Tolerance A

mm

102,885...102,891

106,885...106,891

Tolerance B

mm

102,892...102,908

106,892...106,908

Tolerance C

mm

102,909...102,915

106,909...106,915

Engine block test values

Number

Designation

Engine 904.9, 906.9

Engine 924.9, 926.9

BE01.40-B-1002-02C

Out of round and taper in the cylinder/deviation from the cylinder's travel (with liner and without liner)

contact surface

mm

0,012

0,012

Engine block test values

Number

Designation

Engine 904.9, 906.9

Engine 924.9, 926.9

BE01.40-B-1003-02C

Maximum admissible wear at the sliding surface of the cylinders (with and without liners)

At the reversion point of the first piston ring

mm

0,1

0,1

At the center of the cylinder

mm

0,05

0,05