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6
Operation
On delivery, the screwdriver is preset to the maximum or customer-specific torque value.
For start-up perform the following steps:
1. If needed, adjust clutch to the required torque value.
The required torque adjustment can be checked using a torque wrench or
measuring platform (see DEPRAG catalogs D3020 and D3022). This
equipment can also be used to re-adjust the torque of the screwdriver.
2. If necessary, exchange clutch spring.
IMPORTANT
To operate the clutch, using a clutch spring which either surpasses or falls
below its specified torque range, leads to a reduction of the torque accuracy.
3. Mount inserting tool, e.g. bit or socket.
4. If required, clamp screwdriver into a fixture/bracket/clamping device (clamping area
Dimensional Drawing).
5. Connect main air hose (hose diameter
The flow pressure must not drop below 5 bar/71 PSI – reduced output!
6.1. Function Description / Driver Start
Direction of Rotation:
The screwdriver is equipped with a reversible motor and a clutch with right shut-off, i.e.
when assembling screws/nuts with right-hand thread the screwdriver will shut-off after
reaching the preset torque. By reversing the screwdriver to left rotation, screws/nuts can
be loosened. Thereby the maximum torque is available.
Start:
The screwdriver starts by pressing the pusher.
chapter Torque Adjustment
chapter Range and Exchange of Clutch Spring
chapter Insert or Change Inserting Tool
chapter Technical Data).
12
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