5-20 DK65/75/80/90
HYDRAULIC CONTROL UNIT USE REFERENCE CHART
In order to handle the hydraulics properly, the operator must be familiar with the following. Though this information may not be
applicable to all types of implements and soil conditions, it is useful for general conditions.
Moldboard
plow
Light soil
Medium soil
Heavy soil
YES/NO Loose
Adjust the lower link stabilizer
so that the implement can move
5 ~ 6 cm (2.0 ~ 2.4 in.) laterally.
Lower link stabilizer should be
tight enough to prevent exces-
sive implement movement
when implement is in the raised
position.
with Position control
Position & Draft control
Implement
Soil
condition
Gauge
wheel
Lower link
stabilizers
Remarks
Tighten
Adjust lower link stabilizer for
minimal lateral movement of the
implement.
Harrow
(spike,
spring-tooth,
disc type)
Earthmover,
digger,scraper,
manure fork,
cultivator,
rear carrier…
Mower
(mid and rear-
mount type)
Hayrake,tedder…
YES/NO
NO
-
Sub-soiler…
-
628O501A 628O502A 628O504A 628O505A
Disc plow
-
628O503A
(1) Position control lever
(2) Draft control lever
Draft and Mixed control:
Place the draft control le-
ver to the desired position
to set draft sensitivity; and
use the position control le-
ver to establish the amount
of draft.
Position control:
Push the draft control le-
ver to the forward most
position. Use the position
control to set and maintain
a constant depth or height
of the implement.
2
2 or 3
3
Top link
mounting holes
2 or 3
1
2 or 3
3
Box blade 3
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