Height Of Cut - Jacobsen AR3 Safety, Operation And Maintenance Manual

9 ADJUSTMENTS
9.3

HEIGHT OF CUT

Cutting height for decks can be adjusted from 3/4 to
4 in. (19-101.6 mm) in 1/2 in. (13 mm) increments.
Actual cutting height may vary somewhat from the
heights given depending on turf conditions and other
factors.
Note: When cutting undulating areas, lower cutting
heights may cause scalping. Adjust height
accordingly to prevent turf damage.
To Change the Height of Cut
1. Park the tractor on a flat, level surface. Fully lower
cutting units. Placed blocks under deck housing
so they are supported on all sides.
2. Refer to the chart provided for desired cutting
height.
en-52
Height of Cut
13mm (1/2")
Spacers Below
Deck Housing
mm inch
19 3/4
25 1
32 1-1/4
38 1-1/2
44 1-3/4
50 2
57 2-1/4
64 2-1/2
70 2-3/4
76 3
83 3-1/4
90 3-1/2
To prevent serious injury, lower deck until
it is resting completely on the supports.
This will prevent it from accidentally
lowering
Disengage all drives, engage parking
brake, stop engine and remove ignition
key.
Use proper lifting techniques when lifting or
lowering deck housing.
assemblies
(55Lbs)
Range of Cut
13mm (1/2")
Spacers Above
Deck Housing
0 9
0 9
1 8
1 8
2 7
2 7
3 6
3 6
4 5
4 5
5 4
5 4
WARNING
while making adjustments.
CAUTION
The deck housing
weight approximately
6mm (1/4")
Spacer Location
Above Housing
Below Housing
Above Housing
Below Housing
Above Housing
Below Housing
Above Housing
Below Housing
Above Housing
Below Housing
Above Housing
Below Housing
25kg