TCH.1C-27J-2-27JG
2-90.2 CHECK OF SPOILER RETRACTION SYSTEM
(refer to figure
) and (refer to figure
1.Check that the circuit breaker SPOILER EMERG
(18CE) (2) installed on Overhead Circuit Breaker
Panel (1) (271VE) in position F16 is closed.
2.Supply No. 1 and No. 2 hydraulic system at 3000 psi,
(210 kg/cm²), flow at least 6.6 gpm (25l/min).
3.Turn control wheel fully left and hold it in this position.
4.On FCS2 control panel (4) raise the guard cover of
SPOILER switch (3), place the switch to IN and check
that the LH spoiler retracts completely.
5.Repeat the operation for the RH spoiler, turning the
control wheel to right. Results must be the same.
6.Place SPOILER switch (3) to NORM and lower the
guard cover.
7.Release pressure in hydraulic systems.
FOLLOW ON MAINTENANCE:
None
27-60-00
2-654