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

Page: 26 / 66

OM-00205
Base
End
Rod
End
C/C (Retracted)
IMPORTANT: On some units, the clevis must
be adjusted to allow the wings to relax on
the rest stands. Adjust as required.
UNITS WITH STACK-FOLD WINGS
25. INSTALL SPACER TUBE ONTO ROD OF
WING-FOLD CYLINDER (FIG. 3-9). After
checking the cylinder retracted length and
adjusting (if necessary), remove the rod
end clevis and install spacer tube onto
cylinder rod (as listed in chart). Reinstall
rod end clevis onto cylinder rod, with the
same amount of thread engagement as
before.
NOTE: Be sure to retighten set screw or
retaining bolt on cylinder rod clevis.
26. Assemble the wing-fold cylinders to the
machine with the rod-end ports facing
down and base-end ports facing forward
(toward the front of the machine). This
requires the following change to the left-
hand wing folding cylinder (Fig. 3-11).
A. Disassemble tie rods from cylinder.
B. Rotate rod-end port 180 o .
C. Reassemble and retighten tie-rods.
27. Install connector with orifice (91608) into
base-end ports on wing-fold cylinder (Fig.
3-9).
FIG. 3-10
OM-00824
FIG. 3-11
28. Install connector with orifice (Item "28A"
91608) or elbow (Item "28B" - 9874), into
rod-end port, as listed below (Fig. 3-9).
BASE
SIZE
12'
12'
15'
15'
WING
SIZE
3' - 6'
7' & 8'
3' - 7'
8' - 11'
FITTING
REQ'D
"28A" Connector
w/ Orifice
"28B" Elbow
"28A" Connector
w/ Orifice
"28B" Elbow
29. Install wing-fold cylinders onto base frame
and lift linkage bar (Fig. 3-9). Retain into
position with two 1" dia x 3 3/4" lg. pins
(85632) and four 1/4" dia. x 1 7/8" lg.
spiral pins (91144-165), on each side.
NOTE: Except on 4" bore cylinders (used on
12 ft. base with 7 ft. & 8 ft. wings and 15 ft.
base with 10 ft. & 11 ft. wings) install one 1"
dia. 3 3/4" lg. pin (85632), one 1" x 4" lg. pin
(85631), and four 1/4" dia. x 1 7/8" lg. spiral
pins (91144-165), on each side.
ASSEMBLY
MANUAL 84914/111997-2