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 71-71-49-100-101 Fuel Drain Tubes - Clean, Cleaning-001
Effectivity
FIG/ITEM | PART NO. |
01-100 | 740-5276-503 |
01-100 | 745-5276-501 |
01-500 | 740-5277-503 |
01-500 | 740-5277-505 |
01-500 | 740-5277-507 |
01-500 | 740-5277-509 |
02-100 | 740-5279-505 |
02-100 | 740-5279-507 |
02-100 | 740-5279-509 |
02-100 | 745-5279-501 |
02-100 | 745-5279-503 |
02-500 | 740-5278-503 |
02-500 | 740-5278-505 |
02-500 | 740-5278-507 |
02-500 | 740-5278-509 |
02-500 | 740-5278-511 |
General
This TASK gives the procedure to clean the fuel drain tubes.
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.
NOTE
References
Refer to the SPM for data on these items.
Cleaning Policy and Methods, SPM TASK 70-10-00-100-501.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 01-076 METHYL ETHYL KETONE | LOCAL | CoMat 01-076 | ||
| CoMat 02-004 PAINT BRUSH | LOCAL | CoMat 02-004 | ||
| CoMat 02-099 LINT-FREE CLOTH | LOCAL | CoMat 02-099 |
Spares
NONESafety Requirements
NONEProcedure
Remove any adhesive marking tape from the tube.
Flush the tube with cleaning agent.
Clean the internal surface of the tube.
Wipe the external surface of the tube.
Make sure all dirt and unwanted material is removed from the threads and the nut retaining ring. Do not touch the seal faces after cleaning.
Clean the end fittings of the tube.
Use clean dry compressed air.
Remove the cleaning agent and make the tube dry.
SUBTASK 71-71-49-110-051 Clean the Tube
WARNING
DO NOT GET THE CLEANING AGENT ON YOUR SKIN OR IN YOUR EYES. PUT ON PROTECTIVE CLOTHING, GLOVES, GOGGLES AND A FACE MASK WHEN YOU USE THIS CLEANING AGENT. USE THE CLEANING AGENT IN A WELL VENTILATED AREA. DO NOT BREATHE THE GAS. IF YOU GET THE CLEANING AGENT ON YOUR SKIN OR IN YOUR EYES FLUSH IT AWAY WITH WATER. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.BE CAREFUL WHEN YOU USE COMPRESSED AIR. PUT ON PROTECTIVE CLOTHING AND GOGGLES. MAKE SURE THAT ALL PERSONS ARE AT A SAFE DISTANCE.