B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the APU 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the APU 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 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure 24-22-33-991-001 Fig. 401
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 3. Job Set-up__________
 Subtask 24-22-33-860-050
 A. Aircraft Maintenance Configuration
 (1) Make sure that the ground service network is energized
 (Ref. TASK 24-42-00-861-001).

 NOTE : When the circuit breakers 4XG and 12XG are open, the EXT
____ PWR/AVAIL caution light and the AVAIL legend of the EXT PWR pusbutton switch are off.
 (2) On the ENG panel 115VU:
 -make sure that the warning notice to tell persons not to start the engine, is in position.
 Subtask 24-22-33-865-053
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
FOR 22XU1 122VU ELEC/GCU/1 2XU1 T26 122VU ELEC/IDG1/DISC 1XT T24 122VU ELEC/EXT PWR/LT CLT/AVAIL 4XG X31 122VU ELEC/EXT PWR/CTL 11XG X29 122VU ELEC/EXT PWR/COCKPIT/AVAIL/LT 12XG X28 122VU ELEC/EXT PWR/EGIU1/28VDC 26XU1 Z31 123VU EXT PWR/EGIU1/115VAC 23XG AA07 123VU GEN1/EGIU1/115VAC 23XU1 AF12
 FOR 22XU2 122VU ELEC/GEN1/OFF/BTC2 SPLY 14XU T30 122VU ELEC/GCU/2 2XU2 T27 122VU ELEC/IDG2/DISC 2XT T25 122VU APU GEN/EGIU2/28VDC 26XU2 Y31 122VU GEN2/EGIU2/28VDC 24XU2 Y30 123VU APU GEN/EGIU2/115VAC 23XS AA08 123VU GEN2/EGIU2/115VAC 23XU2 AF01
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 C. Get Access
 (1)
 Make sure that the access platform is in position at the access door

 811.

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

 4. Procedure
_________
 (Ref. Fig. 401/TASK 24-22-33-991-001) Subtask 24-22-33-420-051
 A. Installation of the EGIU
 (1)
 Remove the blanking caps from the electrical connectors.

 (2)
 Make sure that the electrical connectors are clean and in the correct condition.

 (3)
 Clean the component interface and/or the adjacent area.

 (4)
 Do an inspection of the component interface and/or the adjacent area.

 (5)
 Put the EGIU in position in the rack (6).

 (6)
 Carefully push the EGIU until it engages the rack receptacle (5).

 (7)
 Put the knurled nut (1) on the stud (2) and tighten the knurled nut (1).

 Subtask 24-22-33-865-054
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 22XU1 11XG, 12XG, 2XU1, 23XU1, 24XU1, 26XU1, 1XT, 4XG, 23XG FOR 22XU2 23XS, 2XU2, 23XU2, 24XU2, 26XU2, 2XT, 14XU
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 C. Aircraft Maintenance Configuration
 (1)
 De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).

 (2)
 Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 24-22-33-710-050
 D. Operational Test of the EGIU
 (1)
 For 22XU1

 (a)
 Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001)

 (b)
 On the ECAM control panel, push the ELEC key (on the lower ECAM DU, the ELEC page comes into view).

 (c)
 On the ELEC page, make sure that the following EXT PWR parameters are correct:

 -AC V = 115 + or - 5V,
 -FRQ HZ = 400 + or - 10HZ.

 (d)
 Do the EIS stop procedure
 (Ref. TASK 31-60-00-860-002).

 (2)
 For 22XU2

 (a)
 Start the APU (Ref. TASK 24-41-00-861-002).
　
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