ASSEMBLY OF REAR CUTTING UNIT, Con't.
4.Remove the two top fasteners holding the pivot bracket to the cutting unit and loosen the bottom fastener so the bracket is free to rotate.
5.Align and assemble the spring and pull arm previously attached to the tractor to the pull arm shaft on the cutting unit. Place the belt on the cutting unit pulley. With the pull arm assembled, rotate the pivot bracket into place using it as a lever arm to compress the spring and reattach with previously removed fasteners.
6.Assemble the pull rod on the left side of the cutting unit to the tractor using fasteners provided.
7.A counterbalance spring has been assembled to the tractor located under the steering tower. Remove the spring bushing from the cutting unit making note of its location. Insert the spring bushing into the spring loop, pull directly down on the spring and reinsert the fastener provided thru the bushing into the hole on the cutting unit.
8.Remove the tie wraps securing the lift chains and attach the chains to the lift arm under the tractor. One chain per side.
9.Remove the tie wrap attaching the cutting unit belts to the tractor. Position the cutting unit in front of the tractor with the pulleys to the inside. Remove the two top fasteners holding the pivot bracket to the cutting. Place the belt on the cutting unit pulley. Assemble the push arm to the pivot bracket using the washers and snap ring provided. Rotate pivot bracket into place using it as a lever arm to compress the spring and reattach with previously remove fasteners.
10.Attach counterbalance spring and chains to lift bar.
11.Connect link bar between cutting units with fasteners provided.
PUSHARM | LINK BAR |
PIVOT | PULL | FRAME |
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BRACKET | ROD | PIVOT BRACKET | ||
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Belt tool, complete with instructions, (below) available through National Mowers Parts Department.
PUSH | PUSH ARM, SPRING | PART # 070008 |
ARM | & SLEEVE |
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SHAFT |
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10 |