maximum wear = shank diameter+1 mm (.04 in).
he CPA should be lowered in its rest position.
If out off limits, replace the bronze bush.
Loosen the 2 nuts (Pos.1).
Inspect the contact area:
Remove the front guide (Pos. 2) and the front box
between the hydraulic retainer and the
Pull the shank (Pos. 4) out.
between the shank shoulder and the hy-
Check the condition of the bronze nut splines. Re-
place the bronze nut if damaged.
Replace part as necessary.
Change the flushing seals (Pos. 5,6).
Mount the shank in the drifter.
Slide the front box on the shank.
Mind the orientation of the seals.
Mount the front guide.
Refer to "Flushing seal replacement" chapter for
the use of the mounting tool.
Tighten the 2 nuts (Pos. 1) to 650 Nm (470 ft.lb).
Check the wear of the front guide bronze bush.