Check of the Oil Level and Replenishing

TASK 12-13-79-610-805-A
Check of the Oil Level and Replenishing

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.

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

ZONE: 400

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	FUNNEL

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CP2442)	engine oil

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
438BR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
448BR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 12-13-79-610-809-A	Check for Presence of Fuel in Oil
TASK 79-11-05-960-801-A	Replacement of Assembly Cap, Adapter and/or Packing
TSM 79-31-00-810-825	The Engine Oil Quantity is Greater than 22.87 Quarts
Check of the Oil Level and Replenishing

3. Job Set-up
Subtask 12-13-79-941-070-A

A. Safety Precautions
(1) Make sure that the engine 1(2) shutdown occurred not less than five minutes before you do this procedure.

Subtask 12-13-79-010-070-A

B. Open the oil servicing access door:
(1) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
438BR
(2) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
448BR

4. Procedure

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

Subtask 12-13-79-610-062-A

A. Check of the oil level

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

(1) Check the oil level on the sight gage (4).

NOTE: - Oil level must be checked not less than 5 minutes and not more than 60 minutes after the engine shutdown while the oil in the oil tank (1) is still warm. This will prevent the over-servicing of the engine.
- Oil should be added not less than five minutes after engine shutdown.
- If the oil in the oil tank (1) is cool or cold, the oil density will increase (the volume decreases) and the oil tank (1) can be over-serviced.
- If the oil tank (1) is over-serviced, the extra oil may be blown overboard through the engine vent system.
- The quantity of oil can cause incorrect calculations for the consumption rate.
- It is highly recommended to do oil servicing always in the same thermal condition (within one hour after shutdown) to ensure a smooth oil consumption calculation.

(2) If the oil level is above the MAX level on the sight gage (4), read the Class 3 report and check for concurrent fault message ENGXD-0284 ENG OIL LEVEL - HIGH and do the following troubleshooting: TSM 79-31-00-810-825.

NOTE: Unusual repeated servicing (especially during a period without operation) may indicate an abnormal situation on oil system circuit suggesting internal or external leakage and may lead to large over-servicing.

NOTE: The MAX mark on the oil tank (1) is corresponding to 21.2 quarts of oil in the tank and a cockpit indication of 17 or 17.5 quarts.

Subtask 12-13-79-610-063-A

B. Replenishing of the Oil Tank

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

CAUTION: DO NOT FILL THE OIL TANK TO THE MAX LEVEL AFTER DRY OR WET MOTORING. IF YOU DO, OVERSERVICING CAN OCCUR. LARGE AND FREQUENT OVERSERVICING CAN CAUSE THE OIL TEMPERATURE TO INCREASE AND DAMAGE TO THE ENGINE CAN OCCUR.

(1) If oil servicing is necessary, do the steps that follow:
(a) Do a check of the oil level on the oil tank sight glass (4).
(b) If the oil level is below the full mark, add the engine oil (Material No.CP2442) as follows:

NOTE: The full mark is the maximum level.

1 Opening of the oil tank filler cap (2).
a Turn the oil tank filler cap handle (3) up, the pin will retract.
b Open the oil tank filler cap (2).
c If the packing is damaged, replace it (Ref. AMM TASK 79-11-05-960-801).

CAUTION: MAKE SURE THAT YOU DO NOT SMELL FUEL FUMES WHEN YOU OPEN THE OIL FILLER CAP. FUEL IN THE OIL CAN CAUSE DAMAGE TO THE ENGINE.

d Do a check for fuel in the oil. If you smell fuel in the oil or you suspect that the oil can be contaminated by fuel, check for presence of fuel in oil (Ref. AMM TASK 12-13-79-610-809).
2 Replenish the oil tank (1) with the engine oil (Material No.CP2442) through the oil tank filler gravity port (5).
a Use a FUNNEL to fill the oil tank.
b At full mark if the time after engine shutdown is between five minutes and not more than 60 minutes.
c At 3QT below the full mark if the time after engine shutdown is more than 60 minutes.
3 Closing of the oil tank filler cap (2).
a Turn the oil tank filler cap handle (3) down, the pin will extend.
b Make sure that the oil tank filler cap (2) is tightly closed and locked.

5. Close-up
Subtask 12-13-79-410-070-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the oil tank access door:
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
438BR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
448BR

[Rev.10 from 2021] 2026.03.31 22:55:36 UTC