R
R B. Speedbrake function
R (Ref. Fig. 001)
R (Law Ref 27-90, Spoilers Slaving and Monitoring Ref 27-94)
R The speedbrake function is controled and monitored by the three SEC's
R with spoilers 2, 3 and 4.
R The speedbrake lever controls the position of these spoilers and so is
R used for the preselection of ground spoilers function.
R
R C. Ground Spoilers
R (Ref. Fig. 002)
R (Law Ref 27-90, Spoilers Slaving and Monitoring Ref 27-94)
R The ground spoilers function is ensured by all spoilers.
R The activation of this function is dependent upon:
R - The function preselection (give by speedbrake lever position)
R - The two engines at idle
R - Flight/Ground transition (With Ground and wheel speed information).
R
Speedbrake Function - Block Diagram
Figure 001
1EFF : ALL 1 27-60-00Page 3/4 1 1 Feb 01/98 1 1 1CES
1
Ground Spoilers - Block Diagram
Figure 002
1EFF : ALL 1 27-60-00Page 5/6 1 1 Feb 01/98 1 1 1CES
1 SPOILER - MAINTENANCE PRACTICES
_______________________________
TASK 27-60-00-866-002
Extension-Retraction of the Spoilers for Maintenance
NOTE : The procedure is the same for all spoilers
____
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific access platform 1.6 m (5 ft. 3 in.)
No specific access platform 3.5 m (11 ft. 6 in.)
No specific metal rod (tommy bar) dia. 4 mm (0.1574 in.)
98D27603002001 1 SPOILER MAINTENANCE KEY
98D27604000000 1 COLLAR-SAFETY, SPOILER
98D27803000000 1 LOCKING TOOL - FLAP/SLAT CONTROL LEVER
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-00-00-080-002 Removal of the Flap/Slat Control-Lever Locking Tool
(98D27803000000) 27-50-00-866-008 Extension of the Flaps on the Ground 27-50-00-866-009 Retraction of the Flaps on the Ground 27-64-00-710-001 Operational Test of the Spoiler Hydraulic Actuation 27-80-00-866-004 Extending the Slats on the Ground
R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
27-60-00-991-003 Fig. 201 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 051-051,
R 27-60-00-991-003-A Fig. 201A R **ON A/C ALL
3. Job Set-up
__________
Subtask 27-60-00-860-050
A. Aircraft Maintenance Configuration
(1)
Extend the slats and flaps (Ref. TASK 27-50-00-866-008) (Ref. TASK 27-80-00-866-004).
(2)
Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) is in position on the flap/slat control lever
(3)
Put the warning notice on the HYD section of the panel 40VU to tell persons not to pressurize the aircraft hydraulic systems.
Subtask 27-60-00-010-051
B. Get Access
(1)
Put the access platform in position at the access door 822.
(2)
Open the access door 822.
(3)
On the battery power center 105VU:
-loosen the two screws and remove the protective cover.
(4)
Put the access platform in position :
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