➅
➆
( b )
➇
38
6. Remove the piston nut with piston spring and pull out the
piston.
7. Insert the cleaned or new piston and piston spring ( a ). Screw
on the piston nut and tighten with the mounting tool. Replace
the stroke springs ( b ).
( a )
8. Reassemble the manifold. The manifold must be screwed
counter-clockwise into the handle so that it audibly snaps into
place.
Check the instrument for tightness, mobility and accuracy (see
page 34, „Servicing").