Panasonic EY7549 Service Manual page 7

3.2. Trial Operation (After Checking Troubleshooting Guide)
3.2.1. Assembly
• Confirm if there is no gap between housing A and B by pinching lead wires.
• Confirm all screws are tightened firmly.
3.2.2. Operation
• Check whether the tool operates properly in both the forward and reveres directions.
• Check whether the LED light turns on and off each time the LED light on/off button is depressed.
• Check whether the tool speed increases continuously as the trigger is gradually engaged.
• Check whether the tool speed is normal after repair and reassembly.
*Please refer to the specifications on page 2.
• Check whether the tool may become hot in a short operation.
• Set the clutch handle to the
• Pull the trigger all the way back and check whether the tool stops rotating immediately when it is released.
• Rotate the clutch handle and check whether the clutch switches properly.
• Check whether impact operation functions properly.
3.2.3. Integrity
• With the switch activated, shake the tool back and forth and up and down and verify that its sound does not change excessively.
• Check for the presence of any dirt or foreign matter from the repair process on the outside of the tool.
mark and check whether the tool rotates without any clutch operation.
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