Tar River ERC Series Operator's Manual page 16

ERC Round Back Rotary Cutter
Warning! Before making adjustments to the ERC Rotary Cutter:
Shut off the tractor engine, remove tractor key, set parking brake and block tractor
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wheels.
Make sure the PTO, blades are not moving before making adjustments.
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Keep hands and feet away from mower blades.
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Never stand or place any body part under the deck without first blocking or securing the
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deck to prevent falling.
Block the rotary cutter deck before adjusting height to prevent it from falling, causing
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damage to the rotary cutter, injury or possibly death.
Adjusting Cutting Height (Fig. 4)
Raise or lower the Tail Wheel Arm to the desired height by selecting a different set of holes in the Height
Adjustment Plate.
It is not necessary to remove the Height Adjustment Plate from the cutter deck.
Use the tractor 3 point hitch to raise the deck, remove the upper carriage bolts, nuts and washers from the
Height Adjustment Plate. Inspect the hardware removed and replace if necessary. The cutter deck is extremely
heavy and should be blocked or supported to prevent possible injury or death.
Re-attach removed hardware and tighten to proper torque specifications. See "Torque Specifications" chart
of page 19.
Caution: Adjusting the cutting height too low can cause damage to the blades and/or the rotary cutter.
If the blades continuously strike the ground, raise the height of the cutter.
Height Adjustment Plate
Adjustments
Carriage Bolt M10x30
M10 Flat Washer and Nut
16
Fig. 4