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APPENDIX A PREVENTIVE MAINTENANCE
To ensure high radio operating efficiency and to prevent mechanical and electrical failures, routine
preventive maintenance should be performed at regular intervals. L3Harris recommends
performing preventive maintenance on an annual basis, or more often in harsh environments.
This maintenance should include, but not be limited to:
Cleaning the radio and its accessories in accordance with the guidelines presented in Section
•
4.6.
•
Inspecting the general condition and operation of the control knobs on the top of the radio.
Inspection should include checking for any bent control shaft.
•
Inspecting the radio's front display lens for proper operation and/or any cracks or other
damage.
Inspecting the radio's top display lens for proper operation and/or any cracks or other damage.
•
Inspecting the radio's front panel keys for proper operation and/or any damage.
•
Inspecting the radio's side panel buttons for proper operation and/or any damage.
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Inspecting the condition of the radio's front and rear panel microphones for proper operation.
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Inspecting the radio's Universal Device Connector (UDC) for any damage.
•
Inspecting the radio's antenna connector for any damage.
•
Inspecting the condition of the perimeter gasket around the radio's battery electrical contacts.
•
Do not attempt to repair this gasket.
•
Checking the condition of all batteries used with the radio. Refer to ECR-7367, which can be
ordered by calling toll free 1-800-368-3277 (international 1-434-455-6403,) or can be found
online at https://premier.pspc.harris.com/infocenter/.
Checking the condition of the antenna used with the radio. If any significant damage is found,
•
replace it with a new antenna. Do not attempt to repair a damaged antenna.
Verifying overall radio operation by performing an operational check.
•
The XL Extreme Series portable radio, under warranty, must be serviced by a
service center authorized by L3Harris to service immersion-rated radios. Service
performed by any non-authorized service center and/or any non-authorized
personnel voids the radio's warranty.
CAUTION
After any immersion, shake and dry off the XL Extreme Series portable radio to
remove excess liquid, especially from the audio openings.
CAUTION
If any damage is found which requires removal of the RF shield, return the radio to
L3Harris for service. Contact the Technical Assistance Center for additional details.
TAC contact information is included in Section 11.
NOTE
UL repairs require UL Repair facility certification, as defined in the UL file for the
radio (http://www.ul.com/).
NOTE
14221-1800-2050, Rev. G
119
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