TCH.1C-27J-2-27JG
2-46.2
STAND-BY TRIM OPERATING CHECK (refer to
figure
) (Cont'd)
7.By the PITCH STB switch (2), perform a complete
travel, from full nose up to full nose down (or vice
versa) and check that the manoeuvre time required is
10
±
1 sec.
8.Lower the cover guard of the PITCH STBY switch and
verify that the ACAWS advisory message STBY
PITCH TRIM SEL disappears on CMDU.
2-46.3
) , (refer
to figure
1.Connect the AC external electrical supply to the
aircraft and switch on (refer to manual
2.Annul the hydraulic pressure in both systems No. 1
and No. 2.
3.Fit the templates (AGE NO. 00065) for elevator and
trim tab travel check on both surfaces.
4.Ensure that the circuit breaker FLIGHT CONTROL
ELEV TRIM TAB EMER (1CT) (6) located on
Overhead Circuit Breakers Panel (271VE) (4) in
position F 5 is closed.
5.Raise the cover guard and set the MODE switch
(Emergency Pitch Trim) to EMER and verify that the
ACAWS caution message EMER PITCH TRIM SEL
appears on CMDU while the caution aural tone is
audible.
6.Set the trim button, on the control wheel, to NOSE UP
and maintain. Check that the trim tabs move to 10
°
±
1
°
downwards. The emergency pitch trim indicator
shows about 10
°
up.
(Cont'd)
27-30-10
2-390