Great Plains 7552 Series VII Operator Manual - Manual (Page 19)

Great Plains Mfg., Inc. Table of Contents ►
Section 1: Assembly
3/31/2004 Series VII 6326-7552 Discovator 550-221M
15
Inside Wing and Wheel Arm Assembly
Bolt the inside wing frames (1) Figure
2, to the center frame with three 1 x 6 hex bolts
(2) with nylon lock nuts (3). Draw the nuts
down tight but do not torque.
Once the wings are attached, insert the
wheel arm bracket (4) into the wing frame
hangers and secure it just as you did on the
center with 1¼ x 6 pins (5). Secure the pins
with 3/8 x 2¼ GR 8 hex bolts (6) & lock nuts.
Install the wing walking beam assembly
(7) as shown in Figure 2 with the long 14” or
heavy hub 14 ½”, spindle toward the front. Use
anti-seize material on spindle. Secure the pivot
spindle in the sleeve with the 5/16 x 3 clevis
pin (8) and 1/8 x 1 cotter.
Bolt the 9.5L x 15, 8-ply tire (9) in
place with the ½ x 1¼ lug bolts (10), or ½” lug
nuts for heavy hub option. On 5-Section
models, bolt the 5” bolt on stub (11) to the
wing frame using 5/8 x 1½ hex bolts (12),
using lock washers and hex nuts.
Figure 2
11/22/2004