S 495-213-N00
(6) Install the PWA 85978 plug in the internal tube nut for the oil pressure tube on the exhaust case at the 10:30 o'clock position.
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SEE A
FLANGE P EXHAUST CASE
OIL PRESSURE TUBE (LP34)FLANGE N
FLANGE M
INTERNAL TUBE NUT AT THE 10:30 O'CLOCK POSITION OIL SCAVENGE
TUBE (LRO6)
SEE B
HOSE CLAMP
OIL PRESSURE
TUBE (LP33)
INTERNAL TUBE NUT AT THE 10 O'CLOCK POSITION
SPRAY SHIELD SEE C
SEE D
SEE E
SPRAY SHIELD
SEE H
OIL SCAVENGE TUBE (LRO6) SEEG SEEF
A
L-A4761
Engine Vacuum Test Component Location
Figure 510 (Sheet 1)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
OIL PRESSURE
TUBE (LP34)
NUT
(2 LOCATIONS)
HOSE CLAMP (EXAMPLE)
LAST CHANCE
STRAINER ELEMENT
FWD
PACKING
SPRAY SHIELD (EXAMPLE)
OIL PRESSURE TUBE (LP33)
BOLT (2 LOCATIONS)
B
FLANGE P BRACKET
BOLT
OIL PRESSURE
CLAMP
TUBE (FRONT)
(LA16)
FWD
NUT
SPACER
CLAMP
OIL SCAVENGE BOLT TUBE (LR06) OIL SCAVENGE TUBE (LR06)
NUT
C
L-A6116
D
L-A6115
Engine Vacuum Test Component Location
Figure 510 (Sheet 2)
G86057
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NUT
BOLT
CLAMP
CLAMP
BRACKET FLANGE N TUBE (LR06) OIL SCAVENGE FWD NUT BOLT FWD BRACKET FLANGE N OIL SCAVENGE TUBE (LR06) L-A6117
E F
NUT
BOLT BRACKET FLANGE N NUT CLAMP HOSE FLANGE M BRACKET
BRACKET SHIELD SPRAY CLAMP
FWD NUT BOLT
TUBE (LR06) OIL SCAVENGE
G BOLT CLAMP FWD SPRAY SHIELD TUBE (LR05) OIL SCAVENGE TUBE (LR06) OIL SCAVENGE
H
L-A6119
Engine Vacuum Test Component Location
Figure 510 (Sheet 3)
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G86105
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
TEST NO. 12 - ENGINE VACUUM TEST
________________________________
S 035-214-N00
(7) ENGINES WITHOUT PW SB 79-75; Disconnect and loosen the oil scavenge tube assembly (LR06) for the No. 4 bearing:
(a)
Remove the lockwire and disconnect the rear scavenge tube elbow from the internal tube nut on the exhaust case at the 10 o'clock position (Fig. 510, View A).
(b)
Remove the bolt, nut, and clamp which attach the spray shield to the flange M bracket at the 7 o'clock position (Fig. 510, View H).
(c)
Remove the hose clamp which attaches the forward end of the
spray shield to the oil scavenge tube and remove the spray
shield.
(d)
Disconnect the tube nut at Flange M from the tube adapter.
(e)
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本文链接地址：747-400 AMM 飞机维护手册 动力装置 POWER PLANT 1(84)
