5
3.2. Trial Operation (after checking Troubleshooting Guide).
3.2.1. Assembly
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Confirm if there is no gap between housing A and B by pinching lead wires.
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There is no dust, foreign substances, or deformation on battery terminals.
3.2.2. Operation
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Check whether the tool operates properly in both the forward and reveres directions.
●
Check whether the LED light illuminates when the trigger depressed and turns off when the trigger is
released.
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Check whether the tool speed increases continuously as the trigger is gradually engaged.
●
Check whether the tool speed is normal after repair and reassembly.
Speed: 2700 RPM (approx.)
3.3.3. Integrity
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With the switch activated, shake the tool back and forth and up and down and verify that its sound
does not change excessively.
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Confirm if the chuck jaws move smoothly and hold the bit firmly.
