Jacobsen AR331, Руководство по безопасности, эксплуатации и техническому обслуживанию

Страница: 162 / 230

en-62
7 ADJUSTMENTS
7.9 CUTTING HEIGHT ADJUSTMENT (OPTION - QUICK RELEASE PIN) ____________
Rear height of change adjustment.
1. Start the engine and raise all three cutting
decks into the transport position, turn off
engine and remove ignition key.
2. Hold the height of cut handle so that the rear
roller does not drop, remove quick release pin
from height of cut bracket by pressing the
small button and pulling the pin away from the
deck (Do not discard).
3. Select the new height of cut, then align both
the height of cut handle with the height of cut
bracket.
4. Re-insert pin through both the height of cut
handle, make sure to keep button depressed
so that the quick release pin remains free to move until fully engaged.
Front height of change adjustment.
1. Support the front roller arm, then remove
quick release pin from height of cut bracket
by pressing and holding the small button, pull
the pin away from the deck (Do not discard).
2. Select the new height of cut, then align both
the front roller arm with the height of cut
bracket.
3. Re-insert pin through both the height of cut
bracket and roller arm, make sure to keep
button depressed so that the quick release
pin remains free to move until fully engaged.
NOTICE
In thick/wet conditions.
1. Remove rear roller scraper and install an M6-1.00 x 35 bolts into each scraper mounting hole at either
end.
2. Increase the rake angle by adjusting the rear height of cut to the next hole position above the front
setting, for example if the front is set at 50 mm (2 in) the rear should be adjusted to 57 mm (2 1/4 in).
K H
19 mm 0.75 in 1
25 mm 1.00 in 2
31 mm 1.25 in 3
38 mm 1.50 in 4
44 mm 1.75 in 5
50 mm 2.00 in 6
57 mm 2.25 in 7
63 mm 2.50 in 8
69 mm 2.75 in 9
76 mm 3.00 in 10
82 mm 3.25 in 11
88 mm 3.50 in 12
674432
12
11
10
7
8
9
6
5
4
3
2
1
1
2
3
4
6
9
7
10
12
5
8
11
674420
K H
1
2
3
4
5
6
7
8
9
10
11
12
12
11
10
7
8
9
6
5
4
3
2
1
19 mm
25 mm
31 mm
38 mm
44 mm
50 mm
57 mm
63 mm
69 mm
76 mm
82 mm
88 mm
0.75 in
1.00 in
1.25 in
1.50 in
1.75 in
2.00 in
2.25 in
2.50 in
2.75 in
3.00 in
3.25 in
3.50 in
Left hand height of cut decal. Right hand height of cut decal. Front height of cut decal.