Use the following chart to determine which
bedknife is best suited for the desired height of
cut.
Bedknife/Height of Cut Chart
Bedknife
Part No.
Bedknife Lip Height
Height of Cut
Low HOC (Optional)
121-3167 (18 inch)
110-4084 (22 inch)
5.6 mm
(0.220 inch)
6.4 to 12.7 mm
(0.250 to 0.500 inch)
EdgeMax® Low HOC
(Model 03485)
(Model 03487)
137-0830 (18 inch)
137-0832 (22 inch)
5.6 mm
(0.220 inch)
6.4 to -12.7 mm
(0.250 to 0.500 inch)
Extended Low HOC
(Optional)
120-1640 (22 inch)
5.6 mm
(0.220 inch)
6.4 to 12.7 mm
(0.250 to 0.500 inch)
Extended EdgeMax® Low
HOC (Optional)
119-4280 (22 inch)
5.6 mm
(0.220 inch)
6.4 to 12.7 mm
(0.250 to 0.500 inch)
EdgeMax®
(Model 03484)
(Model 03486)
137-0831 (18 inch)
137-0833 (22 inch)
6.9 mm
(0.270 inch)
9.5 to 38.1 mm
(0.375 to 1.50 inches)*
Standard (Optional)
121-3166 (18 inch)
108-9096 (22 inch)
6.9 mm
(0.270 inch)
9.5 to 38.1 mm
(0.375 to 1.50 inches)*
Heavy Duty (Optional)
110-4074 (22 inch)
9.3 mm
(0.370 inch)
12.7 to 38.1 mm
(0.500 to 1.50 inches)
*Warm-season grasses may require the Low
HOC bedknife for 12.7 mm (0.500 inch) and
below.
g006510
Figure 18
1.
Bedknife lip height
Adjusting the Turf-Compensation
Settings
The turf-compensation spring transfers the weight
from the front to the rear roller. This helps to reduce
a wave pattern in the turf, also known as marcelling
or bobbing.
Important:
Make the spring adjustments with the
cutting unit mounted to the traction unit, pointing
straight ahead and lowered to the shop floor.
1.
Make sure that the hairpin cotter is installed in
the rear hole in the spring rod (
g027263
Figure 19
1.
Turf-compensation spring
3.
Spring rod
2.
Hairpin cotter
4.
Hex nuts
2.
Tighten the hex nuts on the front end of the
spring rod until the compressed length of the
spring is 12.7 cm (5 inches); refer to
Note:
When operating the machine on rough
terrain, decrease the spring length by 12.7 mm
(1/2 inch).
Note:
The turf-compensation setting will
need to be reset if the HOC setting or the
aggressiveness-of-cut setting is changed.
14
