Removal of the Oil Pressure Transmitter [CFMI]
TASK 79-33-15-000-040-A
Removal of the Oil Pressure Transmitter
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 79-33-15-941-052-A ** ON A/C NOT FOR ALL
Subtask 79-33-15-020-052-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:38:34 UTC
Removal of the Oil Pressure Transmitter
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
FIN: 4003EN ** ON A/C NOT FOR ALL
1. Reason for the JobFIN: 1000EM2 ** ON A/C NOT FOR ALL
FIN: 4003EN ** ON A/C NOT FOR ALL
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CONTAINER 5 L (1.32 USGAL) |
| No specific | AR | COVER - PROTECTION |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
Subtask 79-33-15-941-052-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(b) Put a WARNING NOTICE(S) in position to tell persons that both thrust reverser control lever are not operational.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 79-33-15-865-053-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(b) Put a WARNING NOTICE(S) in position to tell persons that both thrust reverser control lever are not operational.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 79-33-15-010-054-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 121VU | ENGINE/ENG1/OIL/PRESS | 2EN1 | N40 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 121VU | ENGINE/ENG2/OIL/PRESS | 2EN2 | N42 |
C. Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 79-33-15-020-052-B ** ON A/C NOT FOR ALL
A. Removal of the Oil Pressure Transmitter.
(1) Disconnect the electrical connector 4003ENA from the oil pressure transmitter (10). Install a COVER - PROTECTION on the connector.
(2) Put a CONTAINER 5 L (1.32 USGAL) below the transmitter (10), disconnect the oil tubes from the transmitter (10) and let the oil drain.
(3) Remove the nuts (40), the lock washer (45), the two flat washers (50), and the screw (55) that attach the bonding jumper (60) to the clamp (65).
(4) Remove the clamp (65) from the transmitter (10).
(5) Remove the cotter pin (70), the nuts (75), the bolts (15), the isolators (80), and the washers (20).
(6) Remove the unions (30) and the packings (35) from the transmitter (10) and discard the packings. Install a COVER - PROTECTION on the transmitter and the tube assembly couplings.
(1) Disconnect the electrical connector 4003ENA from the oil pressure transmitter (10). Install a COVER - PROTECTION on the connector.
(2) Put a CONTAINER 5 L (1.32 USGAL) below the transmitter (10), disconnect the oil tubes from the transmitter (10) and let the oil drain.
(3) Remove the nuts (40), the lock washer (45), the two flat washers (50), and the screw (55) that attach the bonding jumper (60) to the clamp (65).
(4) Remove the clamp (65) from the transmitter (10).
(5) Remove the cotter pin (70), the nuts (75), the bolts (15), the isolators (80), and the washers (20).
(6) Remove the unions (30) and the packings (35) from the transmitter (10) and discard the packings. Install a COVER - PROTECTION on the transmitter and the tube assembly couplings.
Oil Pressure Transmitter