D 2008/2009 Drive system W 02-09-07 Checking the piston Commercial available tools: – Micrometer gauge – Internal measuring device – W 02-09-03 Special tools: – Dial gauge. . . . . . . . . . . . . . . . . . 100400 When the piston wear limit is reached the piston must be replaced. 6 Checking the piston bolt bore z Remove piston. W 02-09-03 © 41044-1 z Prepare internal measuring device: Mount probe bolt for the appropriate measuring range in the internal measuring device. Mount dial gauge with approx. 1 mm pre-tension in the internal measuring device. Set micrometer gauge to 28 mm.
Balance the internal measuring device between the test surfaces of the micrometer gauge and set the dial gauge at the reversal point of the pointer to "0". © 34768-2 © 02/2006 6003-001 1/4