Workshop Manual

1/4

2011

Drive system

W 02-09-07

W 02-09-07 Check piston

Tools

- Commercial tools

Micrometer gauge

Internal measuring device

- Special tools

100 400 - Meter

Note

If the wear limit is reached, the piston has

to be changed.

References

- W 02-09-03

Check the piston bolt bore

z Remove piston from con rod.

Î Job card W 02-09-03.

Prepare internal measuring device

z Mount probe bolt for the appropriate measuring

range in the internal measuring device.

z Mount meter with approx. 1 mm pre-tension in the

internal measuring device.

z Set micrometer gauge to

- 26 mm in FL/M engines

- 30 mm in BFL/M engines.

z Balance the internal measuring device between the

test surfaces of the micrometer gauge and set the

meter to the reversal point of the pointer to ”0”.