Graco GrindLazer Pro RC813 G Operation, Repair, And Parts page 10

Setup
8. Install the new cutter assembly onto the machine by
spinning clockwise. Cutters will lock onto the
machine once surface removal is started.
9. Lower the inner frame back to a horizontal position.
10
10. Connect the spring to the spring plunger.
11. Lower the lower linkage into the slot in the inner
frame by rotating the Cutter Head Engage Lever
(non-DCS models), or by using the Down Button on
the DCS Control (DCS models).
12. Connect Clevis Pin.
3A5581C