CENTER EPR (PT4.95) MANIFOLD
EPR MANIFOLD TEE
EGT (TT4.95) THERMOCOUPLE CABLE SUPPORT BRACKET
TURBINE EXHAUST CASE
RIGHT EPR (PT4.95)
(VIEW LOOKING UP)
MANIFOLD
A-A
Engine Pressure Ratio (PT4.95) Manifold Installation
Figure 401 (Sheet 2)
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LEFT EPR
(PT4.95)
LEFT EGT (TT4.95) MANIFOLD
THERMOCOUPLE
BOLT CABLE HALF NUT
NUT
FLANGE T
CLAMP BRACKET
CLAMP
LEFT EGT (TT4.95)
THERMOCOUPLE
E LEFT CABLE HALF
EPR (PT4.95)
MANIFOLD
CLAMP CLAMP
BOLT
(4 PLACES)
F
BOLT
PLATE
FLANGE
T RIGHT
EGT (TT4.95) PLATE
THERMOCOUPLE
CABLE HALF
(REF)
RIGHT EPR RIGHT EGT RIGHT EPR
(PT4.95) MANIFOLD CLAMP NUT (TT4.95) THERMOCOUPLE MANIFOLD (PT4.95)
CABLE HALF
BRACKET (REF)
FWD
G
FLANGE T
BOLT
FWD BRACKET NUT
CLAMP
H
Engine Pressure Ratio (PT4.95) Manifold Installation
Figure 401 (Sheet 3)
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(3) S 034-004-N00Disconnect the EEC tube nut (installed aft of flange P at the 7 o'clock position) from the center manifold.
(4) S 034-023-N00Disconnect the left manifold tube nut (installed at the 7:30 o'clock position) from the center manifold.
(5) S 034-024-N00Disconnect the right manifold tube nut (installed at the 5:30 o'clock position) from the center manifold.
(6) S 034-005-N00Remove the bolt and the nut (installed at the 10 o'clock position) that connects the EGT cable clamp to the left manifold clamp.
(7) S 034-006-N00Remove the bolts and the nuts that attach the manifold clamps to flange T brackets (9 locations; Views A-A, F, G, and H).
(8) S 034-025-N00Remove the bolt and the nut (installed at the 10 o'clock position) that attaches the EGT cable clamp to the bracket on the manifold (View C).
(9) S 034-026-N00Remove the bolt and the nut (installed at the 4 o'clock position) that attaches the EGT cable clamp to the manifold.
S 024-027-N00
(10) To remove the left manifold, do the steps that follow:
(a) Turn the left manifold clockwise (as viewed from rear) until the manifold tube end is clear of the EGT probe, cable, and bracket (approximately 5 inches).
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(b)
Turn the manifold counterclockwise (as viewed from rear) to put the manifold tube end above the EGT probe and bracket locations and below the cable support bracket (installed at the 9:30 o'clock position).
(c)
Remove the left manifold.
(d)
Install caps on the manifold tube ends.
S 024-028-N00
(11) To remove the center manifold, do the steps that follow:
(a)
Turn the center manifold clockwise (as viewed from rear) until the manifold is clear of the cable support bracket.
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本文链接地址：747-400 AMM 飞机维护手册 发动机指示 ENGINE INDICATING(16)
