D 2008/2009 Drive system W 02-09-07 Diagram for measuring the piston bolt bore at the points "a" and "b" in the levels "1" and "2". 6 © 37239-1 z Insert internal measuring device in the piston bolt bore. z Balance the internal measuring device at the given measuring points and read off the measured value at the reversal point of the pointer. See schematic diagram for measuring points. P02 78 © 43483-0 Checking the piston diameter Diagram for measuring the piston diameter at the measuring points "1, 2 and 3", trans- verse to the piston bolt bore. 3 2 1 © 41154-0 © 02/2006 6003-001 2/4