(b)
11S23, LANDING GEAR POS SYS 2

 S 865-125
 (15)
 Make sure the WING ANTI-ICE switch-light on the P5 panel is in the OFF position.

 S 865-135

 (16)
 Manually put the right wing TAI valve in the open position.

 S 215-127

 (17)
 Make sure the R VALVE light on the P5 panel comes on and stays on, and R WING ANTI-ICE shows on the EICAS display.

 WARNING:_______ LET THE WING TAI DUCT BECOME COOL BEFORE YOU MOVE THE WING TAI
 VALVE.  THE DUCT CAN BE HOT.  A HOT DUCT CAN CAUSE INJURY TO
 PERSONS.

 NOTE: The EICAS message will show in 2 to 3 seconds.
____
 S 865-129
 (18)
 Manually put the right wing TAI valve in the closed position.

 S 215-130

 (19)
 Make sure the R VALVE light on the P5 panel goes off and stays off, and R WING ANTI-ICE does not show on the EICAS display.

 S 865-114

 (20)
 Put the WING ANTI-ICE switch-light on the P5 panel in the ON position. Make sure the white ON light comes on.

 S 215-115

 (21)
 Make sure the L VALVE and R VALVE lights on the P5 panel come on, and L WING ANTI-ICE and R WING ANTI-ICE show on the EICAS display.

 NOTE: The EICAS messages will show in 2 to 3 seconds.
____
 S 865-131
 (22) Manually put the right wing TAI valve in the open position.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 30-11-00
 ALL  ú ú 02 Page 521 ú Dec 20/94

A

757
MAINTENANCE MANUAL

 S 215-116
 (23) Make sure the R VALVE light on the P5 panel goes off, and R WING ANTI-ICE does not show on the EICAS display.
 NOTE: The L VALVE light on the P5 panel will stay on, and L WING
____
 ANTI-ICE will show on the EICAS display.

 S 865-132
 (24)
 Manually put the right wing TAI valve in the closed position.

 S 215-132

 (25)
 Make sure the R VALVE light on the P5 panel comes on, and R WING ANTI-ICE shows on the EICAS display.

 NOTE: The L VALVE light on the P5 panel will stay on, and L WING
____
 ANTI-ICE will show on the EICAS display.

 S 865-117
 (26)
 Put the WING ANTI-ICE switch-light on the P5 panel in the OFF position. Make sure the white ON light goes off.

 S 215-118

 (27)
 Make sure the L VALVE and R VALVE lights on the P5 panel go off.
　
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