TASK 79-11-41-700-401 Oil Tank - Related Parts - Do A Test On The Oil Tank, Testing-001

DMC:V2500-A0-79-11-4100-00A-364A-C|Issue No:003.00|Issue Date:2016-08-01

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

All

Common Information

TASK 79-11-41-700-401 Oil Tank - Related Parts - Do A Test On The Oil Tank, Testing-001

Effectivity

FIG/ITEM

PART NO.

01-001

4A7001

01-001

4A7002

01-001

4A7003

01-001

4A7003R

01-001

4A7004-01

01-001

4A7004-01F

General

Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Dry compressed air supplyLOCALDry compressed air supply

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 79-11-41-790-051 Do a Leak Test on the Oil Tank

      1. Blank all the ports as follows:

      1. Install (79-11-41,01-058) packing 1 off to the tank mating flange.

      2. Install a suitable blanking cover on the tank mating flange.

      3. Install a suitable blanking cover on the scavenge oil flange.

      4. Install a suitable blanking cover on the oil tank valve boss.

      5. Install a suitable blanking cover on the spill adapter.

    2. Connect the Dry compressed air supply tube to the blanking cover fixture on the tank mating flange.

    3. Put the oil tank in to a tank of water and pressurized the tank to 17 psi (0.117 Mpa).

    4. Hold the pressure for a minimum of one minute.

    5. Make sure that the oil tank has no leaks. If the oil tank has leaks, reject.

    6. Decrease the pressure in the oil tank to zero, and remove the air supply tube.

    7. Dry the oil tank with dry air and remove the blanks cover and the packing.

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the effectivity table to add part number 4A7003R. (15VF816)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Dry compressed air supply
Tool Name:Dry compressed air supply