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 3. Job Set-up
__________
 Subtask 71-13-00-941-052
 A. Safety Precautions
 (1) On the center pedestal, on the ENG panel 115VU:

 (a) Put a warning notice to tell persons not to start the engine.

 (2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

 (3) On the overhead maintenance panel 50VU:

 (a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

 (b) Put a warning notice to tell persons not to energize the FADEC 1(2).

 4. Procedure
_________
 (Ref. Fig. 501/TASK 71-13-00-991-301, 502/TASK 71-13-00-991-303)
 Subtask 71-13-00-820-051
R A. Measure the distance between the fan cowl doors. R
R (1) Measure the distance between the fan cowl doors at the three latches R with the doors closed. If the distance is not between 0.040 and 0.160 R in. (1.0 and 4.0 mm), adjust the fan cowl doors.
R (2) Measure the distance between the fan cowl doors along their full R length (from leading to trailing edges) with the doors closed. If the R distance is not between 0.040 and 0.160 in. (1.02 and 4.06 mm) for at R least 80 percent of the length, and between 0.040 and 0.20 in. (1.02 R and 5.1 mm) for the remainder of the length, adjust the fan cowl R doors.
R NOTE : A distance of 0.236 in. (6.0 mm) is permitted between the fan
____ R cowl doors aft of the rear latch.
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R R  Fan Cowl Adjustment Figure 501/TASK 71-13-00-991-301- 14 (SHEET 1)
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R R  Fan Cowl Adjustment Figure 501/TASK 71-13-00-991-301- 24 (SHEET 2)
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R R  Fan Cowl Adjustment Figure 501/TASK 71-13-00-991-301- 34 (SHEET 3)
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R R  Fan Cowl Adjustment Figure 501/TASK 71-13-00-991-301- 44 (SHEET 4)
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 Fan Cowl - Adjustment Figure 502/TASK 71-13-00-991-303
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 B. Get Access
 CAUTION : USE YOUR HANDS TO OPEN THE FAN COWL LATCHES. IF YOU USE A TOOL
_______
 TO OPEN THE LATCH YOU CAN DAMAGE THE LATCH.

 (1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 Subtask 71-13-00-020-050
 C. Removal of Components
 CAUTION : DO NOT TURN THE ADJUSTA-KEEPER ASSEMBLY CLEVIS (EYEBOLT) WITH A
_______ TOOL. IF YOU TURN THE CLEVIS WITH A TOOL, YOU WILL BREAK THE KEEPER-ASSEMBLY-HOUSING GUIDE. IF THE GUIDE IS BROKEN, THE CLEVIS CAN TURN, AND IT MAY NOT ALIGN CORRECTLY WITH ITS MATING LATCH WHEN THE FAN COWL DOORS CLOSE. THIS INCORRECT ALIGNMENT MAY CAUSE THE LATCH AND CLEVIS NOT TO ENGAGE CORRECTLY AND PREVENT THE LATCHES FROM CLOSING. IF THE LATCHES ARE NOT CLOSED CORRECTLY, THE FAN COWL DOORS MAY OPEN IN FLIGHT. USE ONLY HAND FORCE TO MAKE SURE THE CLEVISES DO NOT TURN.
 (1) Remove the nuts (5) and (45), the washers (10) and (40), the shims (15), the retainers (20) and (35), the bolts (25), and the shear pins (30), from the left fan cowl.
 Subtask 71-13-00-420-050
 D. Close the Fan Cowl Doors
 CAUTION : USE YOUR HANDS TO CLOSE THE FAN COWL LATCHES. IF YOU USE YOUR
_______ FOOT OR A TOOL TO CLOSE THE LATCH YOU CAN DAMAGE THE LATCH.
 (1) Install the nuts (5) and (45), the washers (10) and (40), the retainers (20) and (35), the bolts (25), and the shear pin (30). Do not install the shims (15).
　
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