Breathing Vent Membrane And Breathing Vent Label - Motorola EX500 Basic Service Manual

3-30
3.14 "EX560•XLS Radio Reassembly — Detailed" on page 3-24.)
8. Inspect the main seal O-ring for proper seating. Observe carefully to ensure that the main
seal O-ring is not pinched between the housing and the chassis.
IMPORTANT:

3.15.12Breathing Vent Membrane and Breathing Vent Label

To replace the Breathing Vent Membrane and Breathing Vent Label:
1. Remove the Breathing Vent Label that covers the Breathing Vent Membrane from the chas-
sis.
2. Remove the Breathing Vent Membrane.
3. Ensure that the chassis's surface (at the Breathing Vent Label & Breathing Vent Membrane
recessed) is clean, no/minimum scratches and free from any adhesive or other foreign mate-
rials.
4. Install a new Breathing Vent Membrane, covering the vent port hole, in the small recessed
area in the chassis. Ensure that no oily substance come in contact with the seal.
5. Install a new Breathing Vent Label over the Breathing Vent Membrane in the larger recessed
area in the chassis. Press down evenly over the label's surface to ensure good adhesion.
Both Breathing Vent Label (3371478L01) and Breathing Vent Membrane
(3271570L01) need to be replaced after vacuum test, pressure test or
water leakage troubleshooting.
Ensuring Radio Immersibility