24
1 0 7 D R I L L
O P E R A T I N G I N S T R U C T I O N S
In extremely loose soils such as freshly worked summer fallow, it will be necessary to lessen tension on pressure spring
instead of lessening hydraulic cylinder stroke.
To adjust the pressure springs:
1.
Make sure the movable frame is raised completely
up and the safety stop bar is secured.
2.
Using the adjustment nut on each pressure spring,
adjust the spring to the desired length. See table at
right showing the opener pressure obtained at
various spring lengths. Under no circumstances
should the spring be adjusted to less than 10
inches. This may damage the spring and related
parts and will also void the warranty on these parts.
4.4 Press Wheel Adjustment
In addition to firming the soil around the seed, the press wheels serve as gauge wheels for the openers. The relationship
of each press wheel and opener will remain consistent regardless of terrain or soil density. If the seed is too deep, lower
the press wheel. If the seed is too shallow, raise the press wheel.
To adjust the press wheel height:
1.
Remove quick attachment pin.
2.
To lower the press wheel, relocate shim washers from top to bottom. To raise the press wheel, relocate
shim washers from bottom to top.
3.
Install quick attachment.
SPRING
LENGTH
OPENER
PRESSURE
12¼ IN.
11½ IN.
11 IN.
10½ IN.
10 IN.
135 LBS.
180 LBS.
205 LBS.
235 LBS.
300 LBS.
depth adjustment washer for
serial numbers 401 and up
Содержание 4426
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Страница 57: ...Part 2 Parts Reference 107 DRILL TM 49 SERIAL NUMBER UP TO 4426 ...
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