Great Plains 4000TM Assembly Manual - Manual (Page 13)

Great Plains Manufacturing, Inc. Assembly 9
12/03/2013 586-537Q-ENG
Center Transport
Note: The walking beam may come pre-assembled to
torque tube . If not pre-assembled start by
assuring the bearings and inside of torque tube
is clean, packing the bearings with grease and
following the steps closely to assure the correct
assembly of components.
Refer to Figure 6
9.
Once the bearings are packed with grease, slide
them (one on each side) into pre-installed bearing
cup of torque tube
. Slide seals into torque tube
. Slide spindle sleeve , one into inside of torque
tube , through seal and bearing , the other
one over the pivot spindle . Slide the LH and RH
walking beams over torque tube in orientation
shown with spindle tubes offset towards top. Be sure
holes are aligned and slide pivot spindle
through
from outside of machine. Secure with two 2.25 x 1.50
x 10ga machine washers
and 1 1/2 slotted nut .
Tighten 1 1/2 slotted nut down snug, then back off
1/8 to 1/4 turn, enough to align slot with hole in pivot
spindle and install 1/4 x 3 cotter pin
. Bend cotter
pin over to secure. Be sure walking beam will pivot
freely but there should be no endplay.
10. Grease zerk sparingly but do not over grease.
11. Slide hub/spindle assembly into walking beam
and align holes. Secure with 3/4 x 5 hex bolts and
3/4 top lock nut.
12. Attach tire/wheel assembly with 3/4 flange nuts
.
13. Tighten all bolts with lock nuts snug, but do not
torque. The rest of the bolts may be tightened to
specs, See “Torque Values Chart” on page 46.
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Figure 6
Center Transport 43137
12
2
U
D
F
B
L
R
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10
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3 2
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