Change the Engine Oil [PW11]

TASK 79-00-00-610-802-A
Change the Engine Oil

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AND THE ADJACENT COMPONENTS AFTER ENGINE SHUTDOWN. THE ENGINE, THE ENGINE OIL AND THE ADJACENT COMPONENTS CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

WARNING: USE PROTECTIVE CLOTHING WHEN YOU USE OIL. OIL CAN CAUSE SKIN IRRITATION.

WARNING: WAIT FIVE MINUTES MINIMUM TO MAKE SURE THAT THE OIL SYSTEM IS NOT PRESSURIZED BEFORE YOU DO THIS PROCEDURE. IF YOU DO NOT OBEY THIS WARNING, INJURY CAN OCCUR.

CAUTION: DO NOT DRY MOTOR OR OPERATE THE ENGINE WITHOUT SUFFICIENT OIL. THIS CAN CAUSE DAMAGE TO THE ENGINE.

CAUTION: YOU MUST DO THIS SERVICING PROCEDURE TO PREVENT TOO MUCH OIL IN THE OIL SYSTEM. DO NOT OPERATE THE ENGINE WITH TOO MUCH OIL. THIS CAN CAUSE A POSSIBLE IN-FLIGHT SHUTDOWN AND POSSIBLE DAMAGE TO THE ENGINE.

CAUTION: DO NOT LET FUEL OR OIL FALL ON THE ENGINE. YOU MUST IMMEDIATELY REMOVE UNWANTED FUEL OR OIL WITH A CLOTH. THE FUEL OR OIL CAN CAUSE DAMAGE TO SOME ENGINE PARTS.

ZONE: 400

1. Reason for the Job

Use this procedure to drain the engine oil and then fill the engine oil system to the correct oil level (change the engine oil).
This procedure should not be used to refill the engine oil as part of normal servicing.
For normal servicing, refer to AMM TASK 79-00-00-610-801-A.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	CONTAINER 40 L (10 USGAL)
No specific	1	FLASHLIGHT
No specific	1	SCREWDRIVER - SMALL

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.P03-001)	lubricant, aircraft turbine engine
(Material No.P05-005)	cloth, cotton, lint-free

C. Work Zones and Access Panels

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

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	PACKING	EIPC 79-11-02-01-

E. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-00-860-817-A	Motor the Engine (Dry Method)
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
TASK 79-00-00-610-801-A	Check and Fill the Engine Oil
TASK 79-00-00-680-801-A	Drain the Engine Oil
TASK 80-11-00-600-801-A	Fill the Starter with Oil
Engine Oil Servicing

3. Job Set-up
Subtask 79-00-00-941-081-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 79-00-00-010-086-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.

4. Procedure

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

Subtask 79-00-00-610-050-A ** ON A/C NOT FOR ALL

A. Change the Engine Oil
(1) Drain the oil from the engine (Ref. AMM TASK 79-00-00-680-801).
(2) Fill the engine oil system as follows:
(a) Open the oil tank cap as follows:
1 Lift the lever on the oil tank cap up and turn it counterclockwise.
2 Lift and remove the oil tank cap. Use a P05-005cloth, cotton, lint-free
to remove an unwanted oil.
(b) Put a CONTAINER 40 L (10 USGAL) under the end of the scupper drain line under the engine.
(c) Open the oil-tank flapper valve as follows:

WARNING: BE CAREFUL WHEN YOU OPEN THE FLAPPER VALVE. OIL CAN SPRAY OUT WHEN THE VALVE IS FIRST OPENED. IF YOU DO NOT OBEY THIS WARNING, HOT OIL CAN BURN YOUR EYES AND SKIN.

CAUTION: BE CAREFUL WHEN YOU USE A SCREWDRIVER TO OPEN THE FLAPPER VALVE. IF YOU DO NOT OBEY THIS CAUTION, DAMAGE TO THE FLAPPER VALVE CAN OCCUR.

1 Insert a SCREWDRIVER - SMALL through one of the 0.25 in. (6.35 mm) holes in the oil-tank inlet screens and open the oil-tank flapper valve if necessary.
(d) Add engine oil as follows:

CAUTION: DO NOT LET ENGINE FUEL, OIL OR HYDRAULIC FLUID SPILL ON THE ENGINE. YOU MUST IMMEDIATELY REMOVE UNWANTED FUEL, OIL OR HYDRAULIC FLUID WITH A CLOTH. FUEL, OIL OR HYDRAULIC FLUID CAN CAUSE DAMAGE TO SOME ENGINE PARTS.

CAUTION: YOU MUST ONLY USE THE ENGINE OILS SPECIFIED IN SERVICE BULLETIN PW1000G-C-79-00-0001-00A-930A-D. IT IS NOT RECOMMENDED TO MIX DIFFERENT BRANDS OF APPROVED OILS, BUT IT IS PERMITTED IN THE LIMITS SPECIFIED IN THE SERVICE BULLETIN. THE USE OF UNAPPROVED TYPES OR BRANDS OF OILS IS NOT PERMITTED AND CAN CAUSE DAMAGE TO THE ENGINE.

1 Hold the flapper valve open and add P03-001lubricant, aircraft turbine engine into the filter neck until no more oil can be added without overflow to the scupper drain.

NOTE: You will add approximately 10 USgal (37.85 l).

NOTE: The stable oil level in the sight glass will now be at the FULL mark range.

NOTE: If the aircraft is not parked level, the oil level indication in the sight glass can be above the full mark. This is permitted. The oil system is serviced correctly if you cannot add more oil without overflow into the scupper drain.

(e) Install the oil tank as follows:

CAUTION: MAKE SURE THAT YOU CLOSE THE OIL TANK CAP COMPLETELY. MAKE SURE THAT THE OIL TANK CAP LEVER IS DOWN AND LOCKED. IF YOU DO NOT, OIL CAN COME OUT OF THE TANK AND AN IN-FLIGHT SHUTDOWN CAN OCCUR.

1 Use a FLASHLIGHT and make sure that the oil-tank flapper valve (inside the fill neck) is closed and not damaged.
2 Examine the oil cap EIPC 79-11-02-01- PACKING (1). Replace it if it is damaged.
3 Align the cap to the filler neck and push down into place.
4 Turn the lever clockwise and push down to lock it.
5 Make sure the lever is down against the cap.
(f) Fill the starter with oil (Ref. AMM TASK 80-11-00-600-801).
(g) Record the amount of oil you added.
(3) Dry-motor the engine as follows:

CAUTION: DO NOT DRY MOTOR OR OPERATE THE ENGINE WITHOUT SUFFICIENT OIL. THIS CAN CAUSE DAMAGE TO THE ENGINE.

(a) Dry motor the engine so that the engine oil pressure is stable (Ref. AMM TASK 71-00-00-860-817).
(4) Stop the engine dry-motoring.
(5) After the dry motoring, wait 15 minutes, then make a check of the oil level and service the oil if necessary. Fill the engine with oil, more than ten hours after engine shutdown (Ref. AMM TASK 79-00-00-610-801).
(6) Record the quantity of oil you added.
(7) Make sure that the oil tank cap is closed and the lever is in the down (locked) position.
(8) Examine the assembly for foreign objects, damage and correct assembly.

5. Close-up
Subtask 79-00-00-410-074-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.

[Rev.10 from 2021] 2026.04.01 03:41:11 UTC