User Manual

SECTION 5 - 4-RANK SUPERWEEDER
5-12
HYDRAULIC S-TINE DEPTH CONTROL
Mount 2-1/2” X 8” cylinders on lift arms as shown in Figure 3. Connect hose lines to cylinders and
manifold block mounted on hitch (See Figures 6 & 7). Assemble tractor hose lines and route with lift
cylinder lines along hitch. Secure 1/4” hydraulic hose to lift arms with clamps (8W1390) and u-bolts
provided. Leave slack in lines at knuckles between center and wing sections.
IMPORTANT: Allow enough hydraulic hose at hinge points to avoid pinching or stretching.
Adjust routing if pinching or stretching occurs.
HYDRAULIC SYSTEMS
Mount auto-fold lock, cylinder and hoses as shown on page 5-14.
NOTE: The tractor hydraulic control valve operating auto-fold lock cylinder must hold pressure. If
auto-foldlockcylinderextendsduringeldoperation,damagewilloccur.
Hydraulic Depth Adjustment Option – 30’ to 50’ Machines Only:
Mount cylinders and route hoses as shown on page 5-15. Allow enough hose at hinge points to avoid
pinching or stretching. Clamps (8W1390) are provided to secure hydraulic hoses to lift arms.
HARROW SECTIONS
Assemble sections as shown in parts breakdown on page 5-16. Attach sections to lift arms with chains
and hardware provided. Drop one link of the 9-link chain provided. This, now, 8-link lift chain must
be attached to the back hole in both lift arm and section. Mount optional spring pressure in front
hole in both lift arms and section.
Fig. 6: Hydraulic System, S-Tine Rotation – 4-Rank Superweeder
30 Ft. Unit
8W1360
Manifold Block
Hose Lengths
a = 110” - 8N2110
b = 190” - 8N2190
c = 250” - 8N2250
8J5500
9/16”-18ORB X #6 JIC(M)
8W1357
PLUG 9/16”-18 ORB
8J6010
3/4”-16ORB X #6 JIC(M) 90° ADP
8D9116
HYD. CYL. 2-1/2X8”
W/DEPTH CONTROL
8N3288
3/8” X 288”