Advertisement
6. Strip about 1/4-in. (6 mm) of insulation from the end of the lead.
7. Take the lead marked with a red dot on the R180 replacement cartridge and splice it to the taped lead, twisting
the stripped ends together.
8. Solder the spliced leads.
To prevent damage to the leads, a soldering iron of 25 to 40 watts is recommended.
9. Slide the shrink-wrap tubing so it entirely covers the soldered connection and bare wires. Gently rub the tip of
the soldering iron back and forth along the shrink-wrap tubing until it shrinks.
10. Using wire cutters, cut the other lead of the old cartridge as close to the cartridge as possible, so the lead sticks
out from the handle.
11. Strip about 1/4-in. (6 mm) of insulation from the end of the lead.
12. Take the unmarked lead on the R180 replacement cartridge and splice it to the second lead of the handle,
twisting the stripped ends together. Solder the leads.
13. Slide the shrink-wrap tubing so it entirely covers the soldered connection and bare wires. Gently rub the tip of
the soldering iron back and forth along the shrink-wrap tubing until it shrinks.
14. Gently insert the new cartridge into the case, being careful not to pinch the leads, and making sure the foam
gasket on the cartridge is above the aluminum ring.
15. Replace and screw on the grille.
16. Using a #4 (.050 in., 1.3 mm) hex wrench, secure the grille by tightening the setscrew.
Do not torque the setscrew too tightly.
Shure Incorporated
4/4
Advertisement
