2.
Place 2 machinery bushings over two of
the adjust screws and insert the adjust
screws through the holes in the screw
anchors. Place two more machinery
bushings over the adjust screws. Then place a collar over the
adjust screw and secure with 3/8” x 3” long roll pins.
Note: Collars must be positioned so that the hole for the roll pin is
nearest the machinery bushings.
3. Place an adjust tube between each pair of cylinder arms at the top
hole. Insert a 1 1/4” dia. x 9 9/16” pin through the top hole, and then
place a m3achinery bushing (1 1/4” inside diameter) over the pin.
Extend the pin through the bushing on the adjust tube, and place
another machinery bushing over the pin before extending it through the other cylinder arm. Hold in
place with two 5/16” x 2” roll pins.
ROLL PIN
3/16” x 1 1/2”
WINGS ONLY:
USE THESE TWO
HOLES FOR SCALE
COLLAR
SCALE
RIGHT HAND
SCREW ANCHOR
LOCK-
(Attach with 3/8 x 1” capscrew &
locknut; fasten with clevis pin & hairpin.)
MACHINERY
BUSHING
ADJUST
SCREW
ROLL PIN
3/8” x 3” LONG
5/8” U-BOLT
CRANK
5/8”
LOCKNUT
FIGURE 19A
The screw anchors and adjust tubes of the wings are assembled in the same manner as on the center
frame
EXCEPT
:
1. The screw anchors are used on opposite sides.
2. A different hole is used when putting the scale on the collar.
3. The items not used in the center are used in the wing sections.
1.
Attach a
RIGHT HAND
screw anchor (part
#4K302) to the
left wing
frame
and a
LEFT HAND
screw anchor (part
#4K301) to the
r
ight wing
frame.
Locate them as
shown in Figure 19 on
the previous page, and
secure each anchor with
two U-bolts and 5/8”
locknuts. See also
Figure 13, if needed.
4. Thread the adjust screw into the adjust tube. When the hole in the threaded portion of the adjust
screw aligns with the hole in the adjust tube, insert a 3/16” x 1 1/2” roll pin through the access hole
in the adjust tube into the hole in the screw.
NOTE: This roll pin is to keep the assembly from coming apart during
adjustment. Failure to install the roll pin could result in damage to the
machine and possible injury to the operator.
5. Attach a lock using 3/8 x 1 “ capscrew & locknut, and finish by attaching a scale to each of the
collars which were placed over the adjust tube. Use two of the self tapping screws found in the
cloth bag.
Since this screw adjust is located on the wing, this time use the two holes which are nearest the
roll pin for attaching the scale.
(The different holes compensate for the fact that smaller tires are
used on the wings than on the center section.)
5K094
799
rev3-23-05
Page 27
Summary of Contents for HFC Series
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