3. Job Set-up
__________
Subtask 24-24-51-860-052
A. Aircraft Maintenance Configuration
(1)
Make sure that the blue hydraulic system is depressurized (Ref. TASK 29-00-00-864-001).
(2)
Make sure that the reservoir of the blue hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(3)
Make sure that the LH and RH Main Landing Gear (MLG) is opened (Ref. TASK 32-12-00-010-001).
(4)
Make sure that the stepladder is in position at the MLG bay.
Subtask 24-24-51-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------105VU ELEC/CSM/G /EV AUTO/SPLY 7XE C01 106VU CSM/G /EV/MAN/SPLY 6XE B04 122VU ELEC/EMER GEN AUTO/2 9XE Z26 122VU ELEC/EMER GEN AUTO/1 11XE Z25
4. Procedure
_________
(Ref. Fig. 401/TASK 24-24-51-991-001) Subtask 24-24-51-420-051
A. Installation of the CSM/G
(1)
Put the CSM/G (1) in position on the support mounts (9) on top of the keel beam.
(2)
Attach the CSM/G (1) with new lockwashers (8) , the screws (5), the washer (6) and the bonding strap (7) on the support mounts (9) (Ref. TASK 20-28-00-912-004).
(3)
Tighten the screws (5).
(4)
Safety the screws (5) with the lockwashers (8).
(5)
Make sure that the hydraulic line end-fittings are serviceable.
(6)
Remove the blanking plugs and connect the hydraulic pipes (11),(12) and (15) to the CSM/G (1).
(7)
Remove the blanking plugs and connect the flexible drain hoses (4) and (10) to the CSM/G (1).
(8)
Remove the blanking caps and connect the electrical connectors (2), (3), (13) and (14) to the CSM/G (1).
Subtask 24-24-51-865-055
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6XE, 7XE, 9XE, 11XE.
Subtask 24-24-51-860-051
C. Preparation for Test
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
(3)
Pressurize the Blue Hydraulic System
(a)
Pressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-002).
(b)
Pressurize the Blue hydraulic system either with the electric pump or a ground hydraulic cart (Ref. TASK 29-10-00-863-003).
Subtask 24-24-51-710-051
D. Test
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the overhead panel 21VU: On the lower ECAM display unit:
- open the guard, press and hold - the ELEC page comes into view pushbutton switch EMER GEN TEST automatically. 23XE. - the green lines between the AC1 and
the DC ESS busbar and the DC1 and the DC ESS busbar go out of view,
-the EMER GEN and ESS TR indications are shown in white. The parameters are shown in green.
-green lines come on between: EMER GEN and AC ESS, EMER GEN and ESS TR, ESS TR and DC ESS indications.
-the SHED indication comes into view below the AC ESS and DC ESS busbar indications.
NOTE : If the essential TR is not in
____ line:
-its related parameters are shown in amber,
-the green line between the ESS TR and the DC ESS busbar is not shown.
During the CSM/G test (when the CSM/G is running), push the TR RESET pushbutton switch (15PU) on the panel 103VU to reset the essential TR.
2. On the overhead panel 21VU: On the overhead panel 21VU:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
-release the pushbutton switch - make sure that the safety guard is EMER GEN TEST. back in place.
On the lower ECAM display unit:
-the Blue electrical hydraulic pump stops and the generator is disconnected from its network automatically,
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