Speaker Replacement; Display Board Cable Replacement - Covidien Valleylab LS10 Service Manual

Replacement Procedures
Get the replacement fan and orient it in the same position as the original fan,
3.
ensuring that the 2 air flow direction arrows on the side of the fan point down and
out and that the cable is oriented to the upper left as viewed from the front panel
looking towards the rear panel.
Secure the fan to the rear panel using the torque screwdriver and the 4 screws
4.
previously removed.
Tighten the screws to 1.0Nm ±10%.
5.
Reinstall the assembly back panel.
6.

Speaker Replacement

Turn the system off. Disconnect the power cord from the wall receptacle.
1.
Remove the 4 screws that secure the top cover to the chassis. Lift the cover off the
2.
chassis. Set the cover and screws aside for reinstallation.
Disconnect the speaker cable at P27 on the main PCBA.
3.
Remove the 4 screws securing the speaker to the chassis. Retain the screws and any
4.
other mounting hardware for reinstallation.
Lift the speaker away from the chassis.
5.
Obtain the replacement speaker and using the 4 screws and any other mounting
6.
hardware removed in step 4, install in the same location as the original speaker,
ensuring that the speaker wire connections are oriented towards the power supply
module.
Tighten the screws to 0.3Nm ±10%.
7.
Replace the top cover onto the chassis and secure with the 4 screws removed in step
8.
2.

Display Board Cable Replacement

Turn the system off. Disconnect the power cord from the wall receptacle.
1.
Remove the 4 screws that secure the top cover to the chassis. Lift the cover off the
2.
chassis. Set the cover and screws aside for reinstallation.
Disconnect the display board cable from the display board at P1.
3.
Remove the display board cable from the main PCBA at P23.
4.
Install the replacement display board cable by connecting it in the 2 locations listed in
5.
steps 3 and 4 above.
Replace the top cover onto the chassis and secure with the 4 screws removed in step
6.
2.
6-10 Valleylab LS10, LS Series Single Channel Vessel Sealing Generator Service Manual