System Maintenance Manual

G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 4-11
190-00682-01 Revision G
Table 4-5. Pilot’s Compartment Visual Inspection Procedure
Item
Description/Procedure
Initials
Locate equipment in the aft pedestal for the following inspection:
GCU 475
a) Inspect the GCU 475 unit and connector for corrosion or other defects. Check the
integrity of the SHIELD BLOCK ground attachments to the harness connector
assembly as well as the integrity of the individual shields and their attachment.
ADF CTL-62
(relocated by STC)
a) Inspect the CTL-62 unit and connector for corrosion or other defects. Check the
integrity of the SHIELD ground attachments to the harness connector assembly as
well as the integrity of the individual shields and their attachment. Refer also to the
King Air Model 90 Series Maintenance Manual, listed in Table 1-2.
To gain access for the following Inspections, remove pilot and co-pilot seats and cockpit floor panels.
NOTE: The tach-gen filter assemblies, GPN 005-00375-93, are installed underneath the pilot and co-pilot cockpit
floor panels. Caution must be observed when removing floor panels so as not to damage tach-gen filter
harnesses. A connector is installed in each tach-gen filter harness to allow the filter to be disconnected when
removing the floor panel. (The Tach-gen filter assembly is applicable to installations with Sandia ST-26 Tach-Gen
Adapter unit installed by STC SA01456WI-D MDL 005-00375-30, Revision 4 and previously approved revisions.)
Pedestal Wiring
a) Inspect all visible wire harness for chafing, damage, proper routing of wire bundles
and security of attachment in accordance with AC 43.13-1B, Chapter 11, Section 8,
Paragraph 11-96 and the Cabin Wire Harness Routing drawing, listed in Table 1-2.
GTP 59 (Qty 2)
a) Inspect the GTP 59 units and connectors for corrosion or other defects. Check the
integrity of the SHIELD ground attachments to the harness connector assembly as
well as the integrity of the individual shields and their attachment.
b) Inspect wire harness for chafing, damage, proper routing of wire bundles and security
of attachment in accordance with AC 43.13-1B, Chapter 11, Section 8, Paragraph
11-96 and the Cabin Wire Harness Routing drawing, listed in Table 1-2