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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
COOLING AIR MANIFOLD 
(REF) 
RETURN 
MANIFOLD 
RETURN TUBE (CR02) 
ELECTRICAL 
CONNECTOR  SUPPLY 
(W3P15)  MANIFOLD 
SUPPLY TUBE (CP06) 
2.5 BLEED VALVE 
ACTUATOR 
B 

2.5 BLEED VALVE SEAL
FWD
2.5 BLEED VALVE RING
(IN CLOSED POSITION)

A-A
2.5 Bleed Valve Actuator Adjustment
Figure 501 (Sheet 2)

K04544
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2.5 BLEED VALVE ACTUATOR

B-B

L-A6481
2.5 Bleed Valve Actuator Adjustment Figure 501 (Sheet 3)
K04155
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
PWA 85842 ELECTRICAL CONTROL BOX CONNECTOR
(CR04)
(CP02) 
ACTUATOR VALVE 2.5 BLEED 
(ELBOW) ADAPTER PWA 101618  SEE PUMP ADAPTER PWA 29451  D  (W3P15) CONNECTOR ELECTRICAL 
HOSE RETURN PUMP  HOSE PRESSURE PUMP  TUBE (CR02) RETURN HYDRAULIC  TUBE (CP06) PRESSURE HYDRAULIC FWD 
C  L-B5312 (0697) 
Figure 501 (Sheet 4) 2.5 Bleed Valve Actuator Adjustment 

K04164
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PWA 85842
C
ELECTRICAL ACTUATION
CONTROL BOX SWITCH
PRESSURE
ADAPTER

C
PWA 29451 PUMP ADAPTER
ACTUATOR VALVE 2.5 BLEED  PWA 101618 ADAPTER (ELBOW)  PWA 101618  POWER ON/OFF SWITCH 
ADAPTER 
(ELBOW) 
L-A6529 
0690 

HYDRAULIC
LARGER PRESSURE 10 PSI ADJUSTMENT TUBE (CP06) (GAUGE READING) KNOB
SMALLER ADJUSTMENT
HYDRAULIC KNOB 100 PSIG
(GAUGE READING) RETURN TUBE (CR02) AIR SUPPLY VALVE HANDLE
RETURN
HOSE (B) OIL FILL
PRESSURE HOSE (A)
AIR
CONTROL HANDLE SOURCE
(CENTER) NEUTRAL POSITION
HYDRAULIC VALVE HANDLE
PWA 49030
OR CTE5100
HYDRAULIC
CART
L-B5313 (0697) PW V
D
2.5 Bleed Valve Actuator Adjustment
Figure 501 (Sheet 5)

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K04165
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2.5 BLEED VALVE ACTUATOR

PISTON REARWARD...............DIMENSION A
PISTON FORWARD................DIMENSION B

SUBTRACT -PISTON TRAVEL.................DIMENSION C
PISTON TRAVEL CHECK C-C L-B5314 (0697)
2.5 Bleed Valve Actuator Adjustment
　
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