Unverferth Rolling Harrow II, Operator'S Manual/Parts Catalog

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FIG. 1-8B
OM-02353
FIG. 1-8A
OM-02352
FIG. 1-7
ALTERNATE POSITION
ROLLING HARROW II RUN WITH AGGRES-
SIVE BASKET POSITION TO THE REAR (FIG.
1-7 FOR MAXIMUM FIRMING ACTION IN LIGHT
SANDY SOILS.
A maximum amount of firming and conditioning
of the soil is obtained when the aggressive basket
is positioned at the rear (as shown in Fig. 1-7).
NOTE: To reverse Rolling Harrow baskets,
remove mounting pin (82381) and spiral pin
(91144-186) (Fig. 1-7) connecting basket frame
to spring arm, rotate basket frame and rein-
stall mounting pins and spiral pins.
NOTE: Notice position of wear clips. Refer to
page 10 for installation of "Wear Clips".
ONE-BAR/LEVELER
The one-bar is designed to improve the soil
leveling capabilities of your ROLLING HAR-
ROW II. The one-bar spring pressure can be
increased to improve ground leveling by tight-
ening the adjusting screw or decreasing to
improve trash flow by loosening the adjusting
screw. This adjustment is especially important
in heavy soils or trashy conditions, by improv-
ing soil leveling and/or trash flow.
TO ADJUST SPRING PRESSURE:
(Fig. 1-8A & Fig. 1-8B).
A. Loosen locknut.
B. TO INCREASE SPRING PRESSURE , turn
adjusting screw in (Fig. 1-8A & 1-8B).
TO DECREASE SPRING PRESSURE , turn
adjusting screw out (Fig. 1-8A & 1-8B).
*NOTE: Depending on which adjustment screw
you have, the Initial spring pressure adjust-
ment screw should be set at 3/4" minimum
for 1/2-13 x 1 1/2" lg. screw (9390-101) and
1 3/4" minimum for 1/2-13 x 2 1/2" lg. screw
(91596) (Fig. 1-8A).
NOTE: Be sure to adjust spring pressure equally
from side-to-side on each drag bar section.
C. Retighten locknut to maintain adjustment.
TOOTH DEPTH ADJUSTMENT
NOTE: Tooth depth adjustment is provided,
but should only be adjusted to allow for tooth
wear (spiked tooth only).
ADJUST TOOTH DEPTH AS FOLLOWS:
D. Loosen U-bolt on each tooth (Fig. 1-8A).
E. Drive teeth down to desired depth.
F. Retighten U-bolts (Fig. 1-8A).
COIL-TINE TOOTH ADJUSTMENT
COIL-TINE TOOTH ALIGNMENT (FIG. 1-9)
A. Loosen the locknuts on the U-bolts.
B. Rotating the pipe until the spacers touch
the inside of the springs.
C. Retighten the locknuts.
NOTE: Be sure all of the teeth are rotated
ahead with the bushings touching the inside
of the spring (Fig. 1-9).
TOOTH DEPTH ADJUSTMENT
D. Remove the locknuts.
E. Adjust to the desired depth.
OPERATIONS
MANUAL 84914/111997-2
OM-01407