3-3
SPINDLE ASSEMBLY
1. With the cart empty, use a 5-ton jack
and jack stands to support the weight
of your grain cart. Place the jack-
stands under the axle, near the tire.
2. Remove the wheel & tire and the hub
assembly. See part numbers below.
3. Remove the 5/8 x 6 bolt (9390-136),
lockwasher (9404-029), and locknut
(9395-014) to release the spindle.
4. Change the seal in the hub.
5. Using the same bolt, lockwasher, and
locknut you just removed, add the
4 1/2" spindle bushing (200025) if
required and the spindle.
6. Attach hub assembly and the original
wheels & tires.
NOTE: Tighten lug nuts to 400 ft. lbs.
HITCH ASSEMBLY
1. Remove the four 3/4 x 2 1/2" bolts
(9390-146) and lockwashers (9404-
033) to remove the standard hitch
(250486).
2. Using the same bolts and
lockwashers, install the scale hitch
bushing (250487).
3. Before installing the 2 1/2" weigh
bar (92400), feed the wire through
the hole indicated in the drawing
at left. After doing so, insert the
2 1/2" weigh bar.
4. Using the 1 x 6" bolt (9390-195),
lockwasher (9404-041), and nut
(9394-020), secure the 2 1/2"
weigh bar.
5. Using a 1 x 7" bolt (9390-197),
lockwasher (9404-041), and nut
(9395-020) secure the clevis hitch
(200004). Use the pin (250490)
and two snap rings (94142) to
secure the single-tang hitch
(250494).
J-BOX INSTALLATION
1. Install junction box on the back
side of the left front frame stan-
dard (see drawing at left).
2. See page 3-6 for specific wiring
installation instructions.
INSTALLATION OF SCALE KIT
FOR MODELS 672 & 674
• 04-16-01
S/N 674 #B1651099 / 672 #B1649099 & Lower
2 7/8" 4 1/2" 3 3/4"
Singles Duals Duals
Standard Scale
Hub, St'd & Scale 200036
Hub, Duals 200144 200145
Spindle, Standard 200176 200177
Spindle, Scale 92442 92443
Bushing 200025
S/N 674 #B1651100 / 672 #B1649100 & Higher
3 3/4" 3 3/4"
Singles Duals
Hub, Standard & Scales 200079 200145
Spindle, Standard & Scales 250601 9002009
INDICATOR INSTALLATION
1. Using the bracket provided, locate
the indicator inside the tractor cab.
2. Attach the cable as indicated on
page 3-6.
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