Removing
1. Loosen bolt 84 and remove the M20m1 telescopic drive.
2. Remove locking device 84b and remove pin 84a from outer tube 81a.
3. Remove the M20m1 telescopic adjuster.
Installation
1. Install the telescopic drive M20m1 on the outer tube 81a and insert the pin 84a.
2. Attach locking device 84b.
3. Using indicator 22, adjust the pipe clearance. To do this, move the M20m1 telescopic drive and bolt 84 into the elongated hole so that the gap is reached. The gap should be within 0.25 - 0.30 mm.
4. Tighten bolt 84.