TCH.1C-27J-2-27JG
2-26.2 RUDDER TRIM TRAVEL CHECK (Emergency
OPERATING) (refer to figure
(refer to figure
)
1.Install the template (AGE NO. 00106) on the fuselage
tail cone, and check that the rudder surface is to 0
°
position.
2.Ensure that following circuit breaker are closed:
FLIGHT CONTROL RUDDER TRIM CNTR (1CC) (9)
located on Overhead Circuit Breakers Panel (271VE)
(6) in position F 1, FLIGHT CONTROL RUDDER
TRIM EMERG (2CC) (7) located on Overhead Circuit
Breakers Panel (271VE) (6) in position F 3 and
FLIGHT CONTROL RUDDER TRIM IND (9CC) (8)
located on Overhead Circuit Breakers Panel (271VE)
(6) in position F 2.
3.Connect external AC power supply to aircraft (refer to
).
4.Connect the hydraulic test cart (AGE NO. 00262) plus
the related adaptor to the ground connection of
hydraulic systems No. 1 and No. 2.
5.On the FCS 1 Control Panel (103VE) (3), raise the
cover guard of the RUDDER EMER switch (5).
6.Set the RUDDER EMER switch (5) to NOSE RH and
maintain. Visually check that the rudder moves to
11.6° ± 1 ° rightwards. The rudder indication of the
COMBINED TRIM INDICATOR (1) must show about
11.6° right. Release the RUDDER EMER switch (5).
7.Set the RUDDER EMER switch (5) to NOSE LH and
maintain. Visually check that the rudder moves to
11.6° ± 1 ° leftwards. The rudder indication of the
COMBINED TRIM INDICATOR (1) must show about
11.6° left. Release the RUDDER EMER switch (5).
8.Verify that the time required is in the range 13 thru 20
seconds.
(Cont'd)
27-20-10
2-218