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Enstrom TH-28/480 Series Maintenance Manual Supplement 8
G1000H Integrated Flight Deck System
May
14/14
Page
2-4
SECTION 4
SYSTEM MAINTENANCE
NOTE
Removal or installation of equipment will change the aircraft empty weight
and empty weight c.g. These changes will be recorded on Form F-511-5,
Basic Weight and Balance Record, as required (reference Enstrom 480B
Series Maintenance Manual).
2.4
System Maintenance – GTS 800
2.4.1
Scheduled Maintenance
There is no scheduled maintenance for the GTS 800. Maintenance is “On Condition Only”.
2.4.2
Removal
A. Remove power to the GTS 800 unit. Pull the TAS circuit breaker out. Disable the
circuit breaker by installing a cable tie or other similar device around the circuit
breaker stem.
B. Turn the harness connector jackscrews counterclockwise to disengage them from
the unit. Pull the harness connectors away from the unit to remove them.
C. Disengage the QMA coax connectors by pulling back firmly on the outer sleeve of
the QMA plug away from the jack connector. This will disengage the locking
mechanism that secures the plug connector to the jack connector. Pulling on or
disengaging the QMA connectors in any other way is not recommended and may
cause damage to both the connectors and coaxial cable.
D. Loosen the unit hold down clamp by turning counterclockwise until it disengages
the unit hold down tab.
E. From the connector end of the unit, pull the unit up slightly at an angle and pull the
unit out of the rack.
2.4.3
Installation
A. Hold the unit at a slight angle with the connector end up and slide the back of the
unit into the rack engaging the curled up lip at the back of the rack.
B. Firmly seat the unit the rest of the way in the rack and tighten hold down clamp by
turning clockwise.
C. Inspect rack connectors and for damaged pins before installing the unit. Install rack
connectors.
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