(3)
Make sure the groove on the magnetic plug is clean.
S 432-019-C00
(4)
Install a new O-ring, lubricated with engine oil, in the groove on
the magnetic plug.
S 432-020-C00
(5)
Push the spring-loaded pin and install the scavenge screen on the
magnetic plug.
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S 822-021-C00
(6)
Make sure the spring-loaded pin engages the hole in the scavenge screen.
S 432-022-C00
(7)
Install the MCD removal/installation tool on the magnetic plug.
(a)
Push the spring-loaded lever to retract locking pin.
(b)
Install the end of the tool with slots on the handle on the magnetic plug.
(c)
Release the spring-loaded lever to engage the locking pin through the hole in the magnetic plug handle.
(d)
Pull down on the tool to make sure it is correctly engaged.
S 422-023-C00
(8) Carefully put the MCD into the lubrication unit.
NOTE: Make sure the MCD goes in straight to prevent damage to the
____
scavenge screen.
S 822-024-C00
(9)
Align the bayonet pins with the slots of the bayonet housing on the lubrication unit.
S 422-025-C00
(10)
Push the magnetic chip detector in and turn it clockwise one quarter turn.
(a) Make sure the pin moves into the locked position.
S 212-026-C00
CAUTION: MAKE SURE THAT THE CHIP DETECTOR PLUGS ARE CORRECTLY INSTALLED
_______ WITH THE TWO BAYONET PINS ENGAGED. MAKE SURE THAT THE RED STRIPES ON EACH CHIP DETECTOR PLUG (WITH CFMI SB 79-012) ARE CLEARLY SEEN THROUGH THE SLOTS OF THE CHIP DETECTOR HOUSING. INCORRECT INSTALLATION CAN CAUSE OIL LOSS DURING ENGINE OPERATION AND A POSSIBLE ENGINE FAILURE.
(11) Do a check of the magnetic chip detector for correct installation as follows:
(a) The three plug handles must be aligned and in the locked position.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b) ENGINE POST-CFMI-SB 79-012; Make sure you can see the red marks on the plug through the slots of the bayonet housing.
NOTE: CFMI SB 79-012 introduced MCD plugs with colored
____ markings to help with correct installation.
S 032-027-C00
(12) Push the spring-loaded lever and pull down on the MCD removal/installation tool to remove it.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CAUTION:_______ MAKE SURE THE RETENTION BAR IS CLOSED. IF THE RETENTION
BAR IS NOT CLOSED, AN INCORRECTLY INSTALLED MCD CAN EJECT,
AND CAUSE OIL LOSS DURING ENGINE OPERATION, AND A POSSIBLE
ENGINE FAILURE.
(a) ENGINES POST-CFMI-SB 79-054; ENGINES POST-CFMI-SB-79-055; Move the retention bar down until it snaps into its self-locking position (Fig. 201).
S 612-028-C00
(13)
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