Motorola APX 3000 Basic Service Manual

8-24 Disassembly/Reassembly Procedures: Ensuring Radio Submergibility
8.7.6.2 Test Procedure
Figure 8-30. Attaching Vacuum Test Fixture
1. Place the radio in the vacuum test fixture. Ensure the radio position is lay perfectly into the
mold.
2. Pull the knob on the Vacuum Pump to create vacuum. The vacuum test pressure should be
6.6 inHg.
3. Observe the gauge for approximately 2 minutes.
• If the needle falls less than 0.2 inHg, the radio passes the vacuum test.
i. If the seal passes this inspection, this radio is approved for submergibility. No additional
testing is required.
• If the needle falls more than 0.2 inHg, the radio fails the vacuum test and the radio might
leak if submerged. Additional troubleshooting of the radio is required.
Ensure that the vacuum pressure NEVER exceeds 7 inHg.
The radio has pressure sensitive components that can be
damaged if the pressure exceeds this limit.

Motorola APX 3000 Specifications

General

Brand	Motorola
Model	APX 3000
Category	Two-Way Radio
Language	English