Motorola XPR 7550e - Troubleshooting Charts

5-36 Disassembly/Reassembly Procedures Ensuring Radio Immersibility
5.8.10 Troubleshooting Charts
Troubleshooting Flow Chart for Vacuum Test (Sheet 1 of 2)
Start
1. Remove Battery
2. Remove Universal
Connector Dustcover
3. Remove breathing vent label
and membrane
A
1. Attach antenna firmly to the radio.
2. Attach vacuum hose to vacuum
pump
3. Ensure fitting seal is attached to
hose-to-chassis pump connector
4. Screw pump connector into
chassis’s tapped hole
5. Attach vacuum hose to pump
connector
6. Place radio on flat surface
7. Operate pump (gauge = 9 in. Hg)
Gauge
does not fall
below
0.5 in. Hg
No Yes
Yes
No
Full
equipment for
pressure test
procedure
available
Run Pressure Test
B
End
1. Replace air
ventilation label
and gasket
2. Radio approved
for immersibility