(7)
Make sure that the other loads connected to the emergency power-supply unit operate.
(8)
On the overhead panel 25VU, set the EMER EXIT LT switch 4WL to the OFF position.
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 33-51-38Page 424 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
R **ON A/C 301-399,
R Subtask 33-51-38-860-054-A
R B. Aircraft Maintenance Configuration
R (1) Make sure that the stepladder is in position:
R FOR 10WL
R at the left FWD passenger/crew door,
R FOR 11WL
R between the rear emergency exit doors,
R FOR 12WL
R between the rear emergency exit doors,
R FOR 13WL
R between the AFT passenger/crew doors,
R FOR 14WL
R between the forward emergency exit doors,
R FOR 15WL
R between the forward emergency exit doors.
R (2) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-
R 002).
R (3) On the overhead panel 25VU, make sure that the NO SMOKING switch
R 190RH is in the OFF position.
R (4) On the Forward Attendant Panel (FAP) 120RH, make sure that the LIGHT
R EMER pushbutton switch and its integral light are off.
R (5) On the overhead panel 25VU, set the EMER EXIT LT switch 4WL to the ON
R position.
R (6) Make sure that the loads connected to the emergency power-supply unit
R operate.
R (7) On the overhead panel 25VU, set the EMER EXIT LT switch 4WL to the
R OFF position.
**ON A/C ALL
4. Procedure
_________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 401/TASK 33-51-38-991-001-A)
**ON A/C 301-399,
(Ref. Fig. 401A/TASK 33-51-38-991-001-B)
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 33-51-38-420-052
A. Installation of the Battery of the Emergency Power-Suppy Unit
NOTE : Make sure that the contacts between the battery and the emergency
____ power supply unit are clean and in good condition.
(1) Carefully install the battery (6) to the emergency power-supply unit
(1) with the screws (5) and tighten.
NOTE : Make sure that the battery is fully charged before you install
____ it to the emergency power-supply unit (Ref. CMM 335107).
NOTE : To measure and keep the load values, the load programming
____ (TEACH IN) of the EPSU starts automatically when:
-
the AC and the DC power are available, - on the FAP 120RH the LIGHT EMER pushbutton switch and its integral light are off, - on the overhead panel 25VU the EMER EXIT LT switch 4WL is in the OFF position,
- on the overhead panel 25VU the NO SMOKING switch 190RH is in the OFF position,
-
the overwing emergency lights are off,
-
the emergency power-supply unit is installed on the A/C for the first time, or the battery was removed for more than 5 s and is then installed again.
R **ON A/C 301-399,
R Subtask 33-51-38-420-052-A
R A. Installation of the Battery of the Emergency Power-Suppy Unit
R NOTE : Make sure that the contacts between the battery and the emergency____
R power supply unit are clean and in good condition.
R (1) Carefully install the battery (6) to the emergency power-supply unit
R (1) with the screws (5) and tighten.
R NOTE : Make sure that the battery is fully charged before you install____
R it to the emergency power-supply unit (Ref. CMM 335107).
R NOTE : To measure and keep the load values, the load programming____
R (TEACH IN) of the
R EPSU starts automatically when:
R - the AC and the DC power are available,
R - on the FAP 120RH the LIGHT EMER pushbutton switch and its
R integral light are off,
R - on the overhead panel 25VU the EMER EXIT LT switch 4WL is in
R the OFF position,
R - on the overhead panel 25VU the NO SMOKING switch 190RH is in
R the OFF position,
R - the emergency power-supply unit is installed on the A/C for
R the first time, or
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