(2)
 Open the access door 811.

 4. Procedure
_________ Subtask 25-18-51-020-050
 A. Removal of the Static Inverter
 (Ref. Fig. 401/TASK 25-18-51-991-001)

 (1)
 Remove the screws (4) and the washers (3). Be careful not to cause damage to the electrical circular connector (8).

 (2)
 Remove the electrical circular connector (8) from the static inverter (7).

 (3)
 Remove and retain for the installation the clip-nuts (1).

 (4)
 Put blanking caps on the disconnected electrical circular-connector (8). Use some straps to attach the electrical circular connector (8).

 (5)
 Remove the screws (6), the washers (5) and the nuts (2).

 (6)
 Remove the static inverter (7) from the plate assy (9).

 Static Inverter
 Figure 401/TASK 25-18-51-991-001
 EFF :  401-499,  25-18-51 Page 403 
Aug 01/05
 CES 

 TASK 25-18-51-400-001 Installation of the Static Inverter
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific 1 ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE 99D24003000 1 TBD
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 09-018B  USA AMS 3267 LOW ADHESION POLYSULFIDE SEALANT (Ref. 20-31-00)
 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001  Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 25-18-51-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 25-18-51-861-051
 A. Make sure that the ground service network is energized
 (Ref. TASK 24-42-00-861-001).

 Subtask 25-18-51-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU PILOTS OUTLETS/STAT INV 1NA K25 121VU PILOTS OUTLETS/115V 60HZ 2NA K23
 Subtask 25-18-51-010-051
 C. Get Access
 (1)
 Make sure that the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at the access door 811.

 (2)
 Make sure that the access door 811 is open.

 4. Procedure
_________ Subtask 25-18-51-420-050
 A. Installation of the Static Inverter
 (Ref. Fig. 401/TASK 25-18-51-991-001)

 (1)
 Carefully clean the support assy (10) and the plate assy (9).

 (2)
 Apply SEALANTS (Material No. 09-018B) to the support assy (10).

 (3)
 Install the clip-nuts (1) on the support assy (10).

 (4)
 Install the static inverter (7) on the plate assy (9).

 (5)
 Install the nuts (2), the washers (5) and the screws (6).

 (6)
 Remove the blanking caps from the electrical circular connector (8).

 (7)
 Install the electrical circular connector (8) on the static inverter (7). Be careful not to cause damage to the electrical circular connector (8).

 (8)
 Install the washers (3) and the screws (4).

 Subtask 25-18-51-865-052
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU PILOTS OUTLETS/STAT INV 1NA K25 121VU PILOTS OUTLETS/115V 60HZ 2NA K23
 Subtask 25-18-51-710-050
 C. BITE Test
 (1)
 On the CAPT hand-microphone panel 17VU:

 (a)
 Connect the TBD (99D24003000) to the CAPT outlet (5NA).
　
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