(d)
If the blade-lock plunger does not engage the hub during retraction, the blade index switch will de-energize the safety valve. The valve moves to the OFF position, removes hydraulic pressure from the actuator, and prevents actuator movement.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-21-00
ALL ú ú 02 Page 10 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 FAULT ISOLATION/MAINT MANUAL
RAM AIR TURBINE (RAT) SYSTEM
COMPONENT FIG. 102 SHT QTY ACCESS/AREA REFERENCE
ACTUATOR - RAT DEPLOYMENT 2 1 FAIRING198MR, AFT RIGHT WING-TO-BODY 29-21-05
ASSEMBLY - RAT, M10148 3 1 FAIRING 198MR, AFT RIGHT WING-TO-BODY 29-21-01
CABLE - RAT BLADE LOCK CARD - (REF 77-12-00, FIG. 101) LEFT ENGINE SPEED, M10298 RIGHT ENGINE SPEED, M10311 4 1 198MR, AFT RIGHT WING-TO-BODY FAIRING, RAT ASSEMBLY, M10148 29-21-19
CIRCUIT BREAKERS RAT MAN CONT, C4287 1 1 6F2 FLIGHT COMPARTMENT, P6 PANEL *
RAT MAN PWR, C4062 1 6F1 *
CIRCUIT BREAKERS 1 FLIGHT COMPARTMENT, P11 PANEL
HYDRAULIC RAT AUTO CONT, C4061 1 11D26 *
COMPUTER - (REF 31-41-00, FIG. 101) EICAS L, M10181 EICAS R, M10182 HYDRAULIC RAT AUTO PWR, C4216 1 11D27 *
DOOR - RAT COMPARTMENT 2 1 FAIRING198MR, AFT RIGHT WING-TO-BODY 29-21-09
HARNESS - RAT WIRE 4 1 198MR, AFT RIGHT WING-TO-BODY FAIRING, RAT ASSEMBLY, M10148 29-21-18
HUB - RAT 4 1 198MR, AFT RIGHT WING-TO-BODY FAIRING, RAT ASSEMBLY, M10148 29-21-01
LINK - RAT DOOR ACTUATOR 3 1 FAIRING 198MR, AFT RIGHT WING-TO-BODY 29-21-10
MODULE - RAT CHECKOUT PANEL - (REF 80-11-00, FIG. 101) ENG START/RAT CONT, M10468 5 1 RIGHT WHEEL WELL 29-21-11
PLUNGER - RAT BLADE LOCK 4 1 198MR, AFT RIGHT WING-TO-BODY FAIRING, RAT ASSEMBLY, M10148 29-21-19
PUMP - RAT HYDRAULIC 4 1 198MR, AFT RIGHT WING-TO-BODY FAIRING, RAT ASSEMBLY, M10148 29-21-01
* SEE THE WDM EQUIPMENT LIST
Ram Air Turbine (RAT) System - Component Index
Figure 101 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-21-00
ALL ú
ú 03 Page 101
ú Jun 20/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 FAULT ISOLATION/MAINT MANUAL
COMPONENT SHT 102 FIG. QTY ACCESS/AREA REFERENCE
SYSTEM 1 AIR/GROUND, K10384 RAT MANUAL CONTROL, K10058RELAY - (REF 31-01-36, FIG. 101) RAT AUTO CONTROL, K10059 RELAY - (REF 31-01-33, FIG. 101)
SENSOR - RAT TACHOMETER SPEED 4 1 FAIRING, RAT ASSEMBLY, M10148 198MR, AFT RIGHT WING-TO-BODY 29-21-15
SOLENOID - RAT ACTUATOR AUTO, M10407 2 1 198MR, AFT RIGHT WING-TO-BODY ACTUATOR FAIRING, RAT DEPLOYMENT *
SOLENOID - RAT ACTUATOR MANUAL, M10406 2 1 198MR, AFT RIGHT WING-TO-BODY ACTUATOR FAIRING, RAT DEPLOYMENT *
SWITCH - RAT ARM Q AIRSPEED, S10334 6 1 RACK 119BL, MAIN EQUIPMENT CENTER, E1 29-21-53
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