Panasonic EY7546, Service Manual

Page: 6 / 21

6
3.2. Trial Operation (after checking Troubleshooting Guide.)
3.2.1. ASSEMBLY
1. Confirm if there is NO gap between Housing A and B by pinching the lead wires.
2. Confirm all screws are tightened firmly.
3. There should be no metallic sound and abnormal sound.
4. There is no dust or deformation on battery terminals.
5. Confirm if there is no dirt when repairing.
3.2.2. OPERATION
1. Confirm the forward and reverse side of rotation.
2. Confirm if LED rights ON. Once battery pack is removed and attached, press the switch handle, otherwise LED does not right
ON.
3. Confirm the rotation of speed if it changes in proportion to the amount of pushing level on switch handle.
4. Confirm if the rotation stops when releasing the switch handle.
5. Confirm the smooth movement of the bit holder.
6. Confirm the impact operation.