Vacuum Pump Kit Nln9839; Pressure Pump Kit Ntn4265; Miscellaneous Hardware; Disassembly - Motorola EX500 Basic Service Manual

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testing (troubleshooting) for water leaks if the vacuum check fails. The specialized test equipment is
needed to perform the vacuum check and pressure testing, if required.

3.15.4 Vacuum Pump Kit NLN9839

The vacuum pump kit includes a vacuum pump with gauge, and a vacuum hose. A connector fitting
(part number 5871134M01) and fitting seal (part number 3271133M01) pump connector, which must
be ordered separately, connects the vacuum hose to the radio's chassis.

3.15.5 Pressure Pump Kit NTN4265

The pressure pump kit includes a pressure pump with gauge, and a pressure hose. As with the
vacuum pump kit above, the connector fitting - fitting seal pair connects the pressure hose to the
radio's chassis.

3.15.6 Miscellaneous Hardware

Other items needed for testing the immersibility radio include:
Large water container
•
Deionized (DI) water
•
A supply of replacement parts: Main seal O-ring, Battery Contact Seal, Breathing Vent Label
•
and Breathing Vent Membrane. (Refer to Section Figure 3-30 "EX560•XLS Radio Exploded
View" on page 3-35.)

3.15.7 Disassembly

Disassemble the radio according to Section 3.13 "EX560•XLS Radio Disassembly — Detailed" on
page 3-19.

3.15.8 Reassembly

CAUTION: Do not reassemble the radio without first performing the following preliminary inspection
procedure.
To reassemble the radio:
1. Remove the main seal O-ring from the chassis.
2. Inspect the seal area around the chassis for foreign material that might prevent the main seal
O-ring from sealing properly.
3. Install a new main seal O-ring, discard the old O-ring.
Figure 3-27 Connector Fitting - Fitting Seal Pump Connector
Ensuring Radio Immersibility
fitting seal
(part number
3271133M01)
connector fitting
(part number
5871134M01)