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SEE  C 
SEE  SEE B  A  FWD  SEE  F 
SEE  D  SEE  E 
FWD 
LEFT FAN COWL 
LEFT FORWARD TUBE  FAN COWL TUBE  PIN (2 LOCATIONS)  (2 LOCATIONS) HOOK KNOB (2 LOCATIONS)  LEFT THRUST REVERSER 
A LEFT FORWARD TUBE ASSEMBLY  HOOK 
KNOB (2 LOCATIONS) (2 LOCATIONS) LOCKPIN  PIN HOLE (2 LOCATIONS)  HOOK 
FWD 
B 
Figure 404 (Sheet 1) Fan and Core Cowl Hold-Open Equipment Installation 

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

Fan and Core Cowl Hold-Open Equipment Installation
Figure 404 (Sheet 2)

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Fan and Core Cowl Hold-Open Equipment Installation
Figure 404 (Sheet 3)

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
2)  Engage the loop on the thrust reverser tube to the hook on the thrust reverser.
 NOTE: Make sure the pin on the thrust reverser engages
____ the hole on the thrust reverser tube. Or make sure the pin on the thrust reverser tube engages the hole on the thrust reverser.
 3)  Tighten the knobs on the thrust reverser tube to attach the tube to the thrust reverser.
 (b)  Install the forward tube assembly on the fan cowl panel (View A or D). 1) Turn the forward tube to engage the tube end to the thrust
 reverser tube. 2) For the left fan cowl panel, do the steps that follow: a) Engage the hook on the left fan cowl tube to the loops on the fan cowl panel.
 NOTE: Make sure the pins on the fan cowl panel engage
____ the pin holes on the fan cowl tube.
 b) Tighten the knobs on the fan cowl tube to attach the fan cowl tube to the fan cowl panel. 3) For the right fan cowl panel, do the steps that follow: a) Engage the hooks on the fan cowl panel to the loops on the right fan cowl panel.
 NOTE: Make sure the pins on the fan cowl tube engage
____ the pin holes on the fan cowl panel.
 b) Close the fan cowl latch. c) Tighten the knobs on the fan cowl tube to attach the fan cowl tube to the fan cowl panel. 4) Put the lockpin into the pin hole on the thrust reverser tube. 5) Install the hold-open rods on the fan cowl panel to the stow bracket on the fan cowl panel.
 (c)  Install the aft tube assembly on the core cowl panel (View C and F). 1) For the left core cowl, put the attachment block into the
 loop of the core cowl panel.
 NOTE: Make sure the pins on the attachment block engage
____ the pin holes on the core cowl panel.
 a)  Put a pin into the lockhole on the attachment block to attach the core cowl attachment to the core cowl panel.
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2)  For the right core cowl, install the attachment block on the core cowl latch with the steps that follow: a) Put the loop of the attachment block into the core cowl
　
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