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4-4
4.4 Maintenance
This radiotelephone equipment is designed and manufactured to provide years of intended per-
formance. For this, a regular maintenance program should be established and should at least
include the items listed in the table below:
Table 4-2 Maintenance
Item Check Point Remedy/Remarks
Whip antenna Check for physical damage, corrosion
and water leakage.
Replace damaged parts.
Wire antenna Check that antenna is properly spanned
and separated sufficiently apart from
metallic structures.
If necessary, re-span the
antenna.
Insulators for
antenna
installation
Check for salt water accumulation on
insulators.
Check that connection at lead-in insulator
is tight and rust-free.
Replace damaged insulators.
Remove salt water deposits.
Clean with fresh water, then
dry.
Remove rust, then tighten bolts
and lock nuts. Cover metallic
surface with sealing compound.
Antenna
coupler
Check contact at
* Antenna terminal
* Ground connection
* Coaxial cable
* Control cable(terminal board)
Check that coupler lid and cable glands
are firmly secured.
Check for physical damage, corrosion
and salt water deposits.
Tighten loosened connections.
Fasten lid firmly and evenly to
prevent water leakage.
Replace if damaged.
Transceiver Check contact at
* Antenna cable
* Ground connection
* Power cable
* Control cable
Confirm that there are no objects on the
top of the cabinet.
Tighten loosened connections;
remove foreign material from
connectors.
Remove objects to prevent
overheating.
Power supply Check that supply voltage at transmission
is within the rated range. (10.8-15.6 VDC
at the power connector)
If not within the range, call for
service. Low voltage may cause
erratic operation.
(Continued on next page)