Hga-6000 Maintenance, Inspection, Repair And Servicing; Scheduled Maintenance; Inspection; Figure 8 : Hga-6000 Inspection Criteria And Damage Limits - COBHAM HGA-6000 Installation Manual

HGA-6000 High Gain Antenna
Installation Manual
5. HGA-6000 MAINTENANCE, INSPECTION, REPAIR AND
SERVICING

5.1 Scheduled Maintenance

The HGA-6000 does not require scheduled maintenance or adjustment.

5.2 Inspection

The recommended inspection interval is equal to the Mandatory Periodic Inspection interval for the
aircraft type on which it is fitted or 600 hours, whichever is shorter.
depending on the accessibility of the antenna.
INSPECTION
1.
Check antenna dust-cover for
damage (e.g., dents, cracks, tears
etc). See Figure 8 for damage
criteria.
2.
Check that the HGA-6000 is
securely fastened.
3.
Measure resistance from the base
plate of the HGA-6000 to the
fuselage. Resistance should be
within the tolerances specified by
the airframe manufacturer or
installation designer.
NON-ALLOWABLE DAMAGE
Dents in shaded area
Cracks and tears

Figure 8 : HGA-6000 Inspection Criteria and Damage Limits

Document: 862-A0059_IM issue 1.7

Table 6 : HGA-6000 Inspections and Actions

ACTION
If damage exceeds the limits of Figure 8, remove and
replace the damaged antenna. The damaged antenna
can be returned to the manufacturer for inspection and
repair.
Re-tighten the screws as necessary to obtain proper
torque figure. See Mounting Procedure to obtain
correct torque procedure.
If resistance exceeds specification, remove the antenna
from the aircraft, and refurbish all grounding points.
Remount antenna.
ALLOWABLE DAMAGE
Max 3 mm indentation in non-shaded area
Scratches
This may be modified
COMPANY CONFIDENTIAL
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