26-18-02
ALL ú
ú 06 Page 403
ú Jun 10/92
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A
747-400
MAINTENANCE MANUAL
2 3
4
STA 1248
STA 1480
THERMAL SWITCH (2 EACH)
-WING LEADING EDGE DUCT THERMAL SWITCH (2 EACH)
Thermal Switch Installation Figure 402 (Sheet 1)
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26-18-02
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MAINTENANCE MANUAL
SWITCH THERMAL NO. SIDE EQUIPMENT NO. STATION NO. LOCATION ZONE ACCESS PANEL
1 LEFT S2239 S2238 1 960 960 1 133 191CL
2 LEFT S2233 S2232 1 1003 1002 1 133 191CL
3 LEFT S2235 S2234 1 1112 1113 1 133 191CL
4 LEFT S2237 S2236 1 1170 1171 1 133 191KL
5 RIGHT S2241 S2240 1 960 960 1 134 192CR
6 RIGHT S2215 S2214 1 1002 1003 1 134 192CR
7 RIGHT S2217 S2216 1 1112 1113 1 134 192CR
8 RIGHT S2219 S2218 1 1171 1170 1 134 192KR
9 RIGHT S2221 S2220 1 1219 1220 1 134 192KR
10 RIGHT S2223 S2222 1 1237 1237 1 134 192KR
11 LEFT S2231 S2230 1 1219 1220 1 59 104 191NL
12 LEFT S2229 S2228 1 1237 1237 1 59 58 191NL
13 RIGHT S2227 S2226 1 1245 1245 1 12 11 191ML
14 RIGHT S2225 S2224 1 1237 1237 1 59 58 191NR
15 LEFT S2244 S2243 1 1240 1240 1 116 191NL
DUAL LOOP CENTER DUCT LEAK DETECTION SYSTEM ONLY
Thermal Switch Installation
Figure 402 (Sheet 2)
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26-18-02
ALL ú ú 08 Page 405 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C83955
A
747-400
MAINTENANCE MANUAL
(5)
AMM 51-31-01/201, Seals and Sealing
(6)
AIPC 26-18-01, Fig. 2
(7)
WDM 26-18-15, WDM 26-18-16, WDM 26-18-17, WDM 26-18-18
C.
Access
(1)
Location Zone
133 Air Conditioning Equipment Bay, Left
134 Air Conditioning Equipment Bay, Right
137 Body Landing Gear Well, L.H.
138 Body Landing Gear Well, R.H.
452 Nacelle Strut 1 - Torque Box
462 Nacelle Strut 2 - Torque Box
472 Nacelle Strut 3 - Torque Box
482 Nacelle Strut 4 - Torque Box
511 Leading Edge to Front Spar, Left 521 Leading Edge to Front Spar, Left 531 Leading Edge to Front Spar, Left 611 Leading Edge to Front Spar, Right 621 Leading Edge to Front Spar, Right 631 Leading Edge to Front Spar, Right
(2)
Access Panel 191CL Panel - Access 191KL Panel - Access - Fairing 192CR Panel - Access 192KR Panel - Access - Fairing 452BL Upper Midspar Pressure Relief, Engine 1 462BL Upper Midspar Pressure Relief, Engine 2 462EL Mid Lower Strut, Engine 2 472BL Upper Midspar Pressure Relief, Engine 3 472EL Mid Lower Strut, Engine 3 482BL Upper Midspar Pressure Relief, Engine 4 521AB Lower Inbord Nacelle, Left 521EB Lower Skin Leading Edge, Left 621AB Lower Inboard Nacelle, Right 621EB Lower Skin Leading Edge, Right 731 Door - Wing Landing Gear - Center Section Inboard Left 741 Door - Wing Landing Gear - Center Section Inboard
Right 751 Door - Body Landing Gear - Aft Inboard Left
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26-18-02
ALL ú ú 12 Page 406 ú Feb 15/99
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