Motorola ASTRO XTS 5000 I Basic Service Manual page 85

4. Install a new vent port seal (61), covering the two vent port holes,
in the small recessed area in the casting. Ensure that no oily
substances come in contact with the seal.
5. Install a new seal label (62) over the vent port seal (61) in the
larger recessed area in the casting. Press down evenly over the
label's surface to ensure good adhesion.
Disassembly/Reassembly Procedures
61