TASK 71-73-49-700-001 No. 4 Bearing Compartment Weep Oil Tubes - Do A Test, Testing-001

DMC:V2500-A0-71-73-4900-00A-364A-C|Issue No:001.00|Issue Date:2014-05-01

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 71-73-49-700-001 No. 4 Bearing Compartment Weep Oil Tubes - Do A Test, Testing-001

Effectivity

FIG./ITEM

PART NO.

01-100

5R8226

01-500

5R8083

01-500

5R8143

01-500

6A5023

01-500

6A6169

General

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

All test pressures referred to in the procedure are gage pressure.

The Test Equipment Specification

Air regulator - 0 to 143 psi (0 to 990 kPa).

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 71-73-49-790-051 Do the Leak Test on the Oil Weep Tube Assembly

    1. Connect a Dry compressed air supply to the tube.

    2. Put the tube in to a tank of water and pressurize to 14.5 psi (100 kPa).

    3. Hold the pressure for a minimum of one minute while you examine the tube for signs of leakage, specially at swaged, brazed, welded or repaired areas.

    4. Disconnect the air supply from the tube and remove the tube from the tank.

    5. Dry the tube with dry warm air.

    2. SUBTASK 71-73-49-550-051 Store the Oil Weep Tube Assembly

    1. Put the applicable covers on all openings of the tube and keep it in a clean container to prevent contamination.

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Dry compressed air supply
Tool Name:Dry compressed air supply