User’s Manual
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7
NOTE:
Small adjustments in the tension screws result in large changes in sweep arm force.
Typically the tension screws should never need to be tightened beyond finger tight. Do not
increase the sweep arm force beyond the drive motor capability, which is indicated by severe
vibration and buzzing sound.
Top/Side Cover
Tension Screws
Roller Nut Block
Sweep Arm Height Adjustment
The sweep bar is currently set 1/2 inch above the bare floor. For rats, it is recommended to
raise the sweep bar as high as possible, which is about 3/4 inch above the floor. This can be
achieved by loosening 2 screws securing the leg of the sweep-arm to the drive block. Raise
the leg up about 1/4 inch and retighten the screws. The top of the sweep-arm leg should not
touch the underside of the drive assembly throughout the full sweep.