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ASSEMBLY INSTRUCTIONS
Wing Frame Installation
IMPORTANT
Read all safety precautions at the front of the section
before attempting any of the following procedures.
Do not attempt to lift heavy parts, such as the
wing frame, manually. Use a hoist or a forklift to
move these parts into position.
1. On 2131-17 and 2131-19 models, attach right and
left wing frame assemblies to the center frame
assembly at the front and rear using hitch pins, 1/2 x
2-1/4 spring slotted pins, 1-1/2 thrust washers, and
1-8 hex lock nuts (See Figure 3-6.)
IMPORTANT
On all models, thrust washers must be installed to
the front side of all hinge tubes.
3-10
WARNING
2. On 2131-21, 2131-23, and 2131-25 models, attach
right and left wing frame assemblies to the center
frame assembly at front and rear using hitch pins, 1/2
x 2-1/4 grooved alloy pins, 1-1/2 thrust washers, and
1-8 hex lock nuts. Also attach right and left wing
frame assemblies to the bolt-on hinges already
assembled to the center frame assembly using wing
lock pins, 1/4 x 3 roll pins, and 3/16 hair pins (See
Figure 3-6.)
3. Connect rod end of each 4 x 30 hydraulic cylinder to
the left and right wing frame assemblies using 1-1/4
flat washers, fold pins, and 5/16 x 2-1/2 spring slotted
pins.
4. Install 4-1/2 x 16 hydraulic cylinders to the cylinder
anchor plates of the center frame assembly using roll
pins and clevis pins supplied with the cylinder.
5. Install 4 x 16 hydraulic cylinders to the cylinder
anchor plate of the left and right wing frame
assemblies using roll pins and clevis pins supplied
with the cylinder.
6. Attach the rod end of each hydraulic cylinder to the
lifts using roll pins and clevis pins supplied with the
cylinders.
o
7. Install 90
adapters in each port of the 4-1/2 x 16 and
4 x 16 hydraulic cylinders.
IMPORTANT
o
Do not use 90
adapters with restrictors in ports of
the 4-1/2 x 16 and 4 x 16 hydraulic cylinders.
8. Install the tire and wheel assemblies on left and right
wing frame assemblies. Tighten wheel bolts evenly to
assure proper wheel alignment. Wheel bolts should
be tightened to 90 ft.-lbs. of torque. The hoist can
then be removed.
9. Inflate the tires as recommended by the
manufacturer.
F-721-0513
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