Tightening torque

30 Nm (22 ftib) 55 Nm (41 ftib) 75 + 5 Nm (55 + 4 ftlb)

Checking pistons

Measure at approx. 62 mm from piston crown, offset 90 degr. from piston pin axis

I'

I

non

62 I

I/-" S

Engine type M 28.41/42/47

Checking cylinder bores

Measure at approx. 62 mm from upper edge of cylinder bore, transverse to cylinder block Note:

To perform measurement fit lower section of crankcase and tighten to prescribed torque.

Repair stage Piston dia. (mm) Kolben-schmidt

Cylinder bore (mm)

Tolerance group identification

Stand, dimens.

99.980

100.000

100.010±0.005

100.020

1st oversize 100.480 100.500 1 0

100.490 ±0.007 100.510+0.005 1 1 100.500 100.520 1 2

Before machining cylinders it is advisable to check the stocks of the appropriate tolerance group and if necessary to hone the cylinder to the piston size available at that time.

Delivery bottlenecks of specific tolerance groups are possible.

0 0

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