757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 3(27)

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 WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE
_______ ENGINE IS STOPPED. THE ENGINE PARTS CAN STAY HOT FOR ALMOST ONE HOUR.
 DO NOT TOUCH HOT PARTS WITHOUT APPLICABLE GLOVES. HOT PARTS CAN CAUSE AN INJURY.
 DO NOT LET THE ENGINE FUEL STAY ON YOUR SKIN. FLUSH THE FUEL FROM YOUR SKIN WITH WATER. THE FUEL IS POISONOUS AND CAN BE ABSORBED INTO YOUR BODY.
 (3)  
You must obey these warnings during the subsequent steps.

 F.
Procedure

 S 864-075
 (1)
On the P10 panel on the control stand, move the applicable fuel control switch to CUTOFF and attach a DO-NOT-OPERATE tag.

 S 864-079

 (2)  
On the P10 panel on the control stand, make sure the applicable ENG VALVE and FUEL SPAR lights are not on bright.

 NOTE: This shows that the valve is in the commanded position,
____ bright lights show that the valve is not in the commanded position.
 S 014-080
 (3)  
Open the applicable engine fuel shutoff valve (spar valve) access panel, 551BB or 651BB.

 S 864-081

 (4)  
Make sure the manual override handle on the valve is in the closed position.

 NOTE: Do not move the valve to the closed position with your
____ hand. The valve must be closed electrically.
 S 014-082
 (5)  Open the applicable fan cowl panel, 414AR or 424AR
 (AMM 71-11-04/201).

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757
MAINTENANCE MANUAL

 S 494-119
 WARNING: MAKE SURE THE AREA IS CLEAR OF ALL FLAMMABLE MATERIAL AND
_______ EQUIPMENT OR DEVICES THAT CAN CAUSE FLAMES OR SPARKS. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (6)  
Put a five-gallon fuel-resistant container below the fuel filter case drain plug on the applicable engine (Fig. 403).

 S 034-084

 (7)  
Remove the smaller of the two engine fuel filter case drain plugs (AMM 71-00-03/201).

 S 684-085

 (8)  
Permit the fuel to drain into the container until the quantity of fuel drainage becomes less than sixty drops per minute.

 S 364-086

 (9)  
If the leakage does not decrease within ten minutes, do this procedure for the applicable valve: Adapter Shaft Alignment.

 NOTE: The fuel shutoff valve (spar valve) has leakage.
____
 S 864-087
　
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