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2009 DURATECH TUB GRINDER OPERATING INSTRUCTIONS
3.17 Grinding
Before you begin grinding, start the machine and check the direction of the tub’s rotation. Also check the electronic
governor for proper operation.
Watch for unusual or excessive vibration. If any occurs, immediately shut off the power. Determine the cause and
correct it before starting the grinder again.
In cold weather, warm up the machine for ve minutes before grinding.
To begin grinding, perform the following steps:
1. Start the engine as described in “Starting the Grinder.”
2. Set engine speed below 1100 RPM
3. Unfold the discharge conveyor and set it to the desired height.
4. Engage the conveyor run switch.
5. Engage the clutch by pressing the clutch start button in, and holding it in until the “Clutch Engaged”
symbol illuminates.
3.18 Grinding with tub cover
The Tub Cover is designed to deect most objects thrown out of a Tub Grinder. The movable top cover does the
deecting, and the closer it is set to the tub, the more debris it will deect. The Tub Cover can be rotated up and down,
and the support frame can be rotated in towards the tub or out away from the tub. During normal grinding, keep the
tub cover as close to the tub as practical. When emptying the tub, close the tub cover until it almost contacts the tub,
providing coverage of most of the tub, and stopping most of the debris as the tub empties out.
3.19 Loading the tub
IMPORTANT: Never drop a large object or objects into the tub from a high level. Ease the material
over the edge and down into the tub carefully.
Material to be ground should be placed directly into the tub. The best method for lling the tub is:
1. Engage the rotor as described above.
2. Fill the tub about halfway full of unground material before starting tub rotation.
3. Start tub in the forward direction by switching the electronic governor Engine(Auto) mode and switching
tub direction to forward.
4. Place additional materials in the tub as needed.
( REV. 08-04 )
( REV. 08-04 )
( REV. 08-04 )
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