Kubota GR1600-ID-2 Operator's Manual page 31

10 MOWER MOUNTING
8. Loosen the locknut at both sides of the machine.
Adjust the cutting height fine tuning bolts so that the
difference between measurements (L) and (R) is less
than 3 mm.
9. Lock the nuts.
(1) Lift link
(2) Cutting height fine tuning bolt
(3) Lock nut
10. Measure from the outside tip of the right blade to the
level surface (while the blade is parallel to the rear
axle). This will be measurement (X).
11. Measure from the level surface to the bottom of the
(A) Mower cover
discharge cover at point D as shown in the figure
below. This will be measurement (Y).
(A) Bent mark line