Removal of the Oil Debris Monitoring System Separator [CFML]

TASK 79-36-05-000-801-A
Removal of the Oil Debris Monitoring System Separator

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 1M(3 FT)
No specific	AR	CAP - PROTECTION
No specific	1	CONTAINER 5 L (1.32 USGAL)
No specific	AR	COVER - PROTECTION
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-803-A	Opening of the Fan Cowl Doors
TASK 79-36-10-000-801-A	Removal of the Oil Debris Monitoring System (ODMS) Sensor
Oil Debris Monitoring System (ODMS) Separator

3. Job Set-up
Subtask 79-36-05-941-050-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:

The ENG/MODE selector switch, and
The ENG/MASTER 1(2) control switch.

(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 79-36-05-010-050-A

B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.

4. Procedure
Subtask 79-36-05-020-050-A

A. Removal of the Oil Debris Monitoring System (ODMS) Separator
(1) Put a CONTAINER 5 L (1.32 USGAL) below the ODMS separator (1).
(2) Drain the ODMS separator (1).
(3) Remove the ODMS sensor (2) (Ref. AMM TASK 79-36-10-000-801).
(4) Disconnection of the oil tubes from the ODMS separator (1):

WARNING: USE PERSONAL PROTECTION EQUIPMENT. USE THE ENGINE OIL IN A WELL-VENTILATED AREA. ENGINE OIL IS TOXIC.

(a) Remove the four bolts (5) of the oil tube (4).
(b) Disconnect the oil tube (4) from the ODMS separator (1).
(c) Remove and discard the gasket (6) from the oil tube (4).
(d) Remove the two bolts (9) that attach the bracket (8) to the oil tube (7).
(e) Remove the bracket (8) from the oil tube (7).
(f) Remove the two bolts (10) of the oil tube (7).
(g) Remove the three bolts (14) of the three clamps (15) from the oil tube (4).
(h) Disconnect the oil tube (7) from the ODMS separator (1).
(i) Remove and discard the gasket (11) from the oil tube (7).
(5) Remove the six bolts (12) that attach the ODMS separator (1) to the oil tank (3).
(6) Remove the ODMS separator (1) from the oil tank (3).
(7) Remove and discard the O-ring (13) from the groove of the ODMS separator (1).
(8) Install the COVER - PROTECTION and CAP - PROTECTION on all the openings, tubes, hoses and connectors.
(9) Remove the CONTAINER 5 L (1.32 USGAL) from below the ODMS separator (1).

[Rev.10 from 2021] 2026.04.01 03:43:48 UTC