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GV5/GV3.5 OPERATIONS & MAINTENANCE MANUAL ROUTINE MAINTENANCE
VERSION 0.2 2014-07-23 PAGE 3.3.1
SECTION 3.3: ROUTINE MAINTENANCE
This section provides instructions for performing routine maintenance on the GV5/GV3.5 transmitter.
This section includes the following topics:
 Scheduled Maintenance
 Cleaning
 Checking Hardware - see page 3.3.2
 Battery Replacement - see page 3.3.2
 Replacing an Air Filter - see page 3.3.3
 Performing On-Air Checks - see page 3.3.6
 Replacing the Controller Module’s Battery - see page 3.3.7
 Inspecting Lightning Protection Systems - see page 3.3.9
Scheduled Maintenance
Scheduled maintenance consists of performing a visual inspection of the GV5/GV3.5 at scheduled
intervals. The recommended minimum time between scheduled maintenance visits is three months.
Local operating and environmental conditions may dictate more frequent visits, while in remote sites
less frequent visits may be acceptable. Experience and system reliability will determine the most
practical schedule for a specific installation.
Cleaning
At a minimum, follow the cleaning procedures listed below.
NOTE
: A site located in a dirty area using open-air cooling requires more extensive cleaning than a site
located in a clean area using closed-air cooling.
1. Check the air filters, noting there is one in the front door of the transmitter and one in the back of
the transmitter. Remove each air filter, inspect it, then re-install the air filter if it is clean. If an air
filter is dirty or damaged, replace it as soon as possible. See
“Replacing an Air Filter” on page 3.3.3 .
2. Clean the GV5/GV3.5 using a vacuum cleaner and a soft-bristle brush to remove loose dirt. Clean,
damp rags should be used to remove dirt that cannot be removed with a vacuum cleaner. Never
use compressed air to clean the GV5/GV3.5.