19602P-99 (07-18) 9 of 204.) Pull opposite half of ear seal over the opposite curve in the ear cup ridge, until innerlip of ear seal is stretched completely over the ridge on both ends, then release andrepeat steps 2 through 4 on the opposite side of the headset.5.) Ensure all inner headset filters are installed appropriately.Figure 6: Ear Seal, Stretching and Partial InstallBehind-The-Head Styles (H9140, H9141, H9140-HT)1.) Remove old ear seals by pulling off of each ear cup.2.) Stretch gaskets from overhead support assembly over each ear cup, leaving themstretched and resting on ear cup temporarily (see Figure 7)3.) Repeat steps 2 through 5 from the Over-The-Head instructions above4.) Pull gaskets from overhead support assembly back into position behind the installedear seals5.) Ensure all inner headset filters are installed appropriately.Figure 7: Overhead Gasket, Temp. Position