S 434-009

 (3)  
Remove the caps from the tube, the hose, and the ports on the filter.

 S 434-010

 (4)  
Connect the hose to the IN port on the filter and the tube to the OUT port.

 S 864-011

 (5)  
Pressurize the hydraulic system with the auxiliary pump (AMM 29-11-00/201).

 S 794-012

 (6)  
Examine the filter for leaks.

 (a)  
If you find a leak, repair the cause of the leak.

 S 864-013
 (7)  Release the pressure in the hydraulic system if it is not necessary (AMM 29-11-00/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400 MAINTENANCE MANUAL
 S 214-014
 (8)  
Examine the doors on the trailing edge fairing:

 (a)  
Examine the latches on the doors in the trailing edge fairing for cracks and wear.

 (b)  
Make sure that all latches are there.

 (c)  
Repair and adjust the latches if it is necessary
 (AMM 54-62-02/501).

 S 414-015
 CAUTION: MAKE SURE YOU LATCH THE DOORS ON THE TRAILING EDGE FAIRING
_______ CORRECTLY. IF THE DOORS OPEN DURING A FLIGHT, THIS CAN CAUSE DAMAGE TO THE DOORS.
 (9)  Close the doors in the trailing edge fairing (AMM 54-62-00/201).
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747-400
FAULT ISOLATION/MAINT MANUAL

HYDRAULIC SYSTEMS INDICATING (1,2,3, AND 4)
COMPONENT  SHT 102 FIG.  QTY  ACCESS/AREA  REFERENCE 
CARD - ELEC SYS FILE, HYDIM, M7603  2  1  117AL, E/E MAIN EQUIP CTR  29-11-42 
CIRCUIT BREAKERS - 1  FLT COMPT, P7 
HYDIM 1, C10162 1  7F3  * 
HYDIM 2, C10163  1  7G3  * 
HYDIM 3, C10164  1  7H3  * 
HYDIM 4, C10165  1  7J3  * 
HYD FLUID QTY, C1114  1  7G4  * 
CIRCUIT BREAKERS - 2  117AL, E/E MAIN EQUIP CTR, P180 
CMC - SW, C10176  1  180D16  * 
ELEV/RUD VLV SYS 1, C648  1  180H8  * 
ELEV/RUD VLV SYS 2, C652  1  180E7  * 
ELEV/RUD VLV SYS 3, C654  1  180H23  * 
ELEV/RUD VLV SYS 4, C657  1  180E22  * 
LATERAL CONT VLV SYS 1, C647  1  180H7  * 
LATERAL CONT VLV SYS 2, C651  1  180E6  * 
LATERAL CONT VLV SYS 3, C653  1  180H22  * 
LATERAL CONT VLV SYS 4, C656  1  180E21  * 
CIRCUIT BREAKERS - 2 117AL, E/E MAIN EQUIP CTR, P414 
HYD PUMP CONT AUX 1, C1711  2  1  414E18  * 
AUX HYD PUMP CONT 4, C225  1  414F18  * 
CMC - LEFT, C10177  1  414L8  * 
HYD FLUID QTY, C10157  1  414E25  * 
HYD PRESS IND SYS 4, C175  1  414G3  * 
CIRCUIT BREAKERS - 2  117AL, E/E MAIN EQUIP CTR, P415 
CMC - RIGHT, C10179  1  415L39  * 
HYD PRESS IND SYS 1, C5  1  415K37  * 
HYD PRESS IND SYS 2, C6  1  415K38  * 
HYD PRESS IND SYS 3, C390  1  415K39  * 
INDICATOR - REMOTE HYD FLUID QTY, N119  6  1  137A, BODY LANDING GEAR WHEEL WELL, L  29-18-02 
LIGHT - DEMAND PUMP PRESSURE, L1  1  1  FLT COMPT, P5, HYD CONT MODULE, M7316  29-11-40 
LIGHT - DEMAND PUMP PRESSURE, L2  1  1  FLT COMPT, P5, HYD CONT MODULE, M7316  29-11-40 
LIGHT - DEMAND PUMP PRESSURE, L3  1  1  FLT COMPT, P5, HYD CONT MODULE, M7316  29-11-40 
LIGHT - DEMAND PUMP PRESSURE, L4  1  1  FLT COMPT, P5, HYD CONT MODULE, M7316  29-11-40 
　
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