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 75-24-49-300-008 LPT ACC Connector Air Tube - Replace Clamps or Rivets, Repair-008 (VRS4252)
General
Price and availability - none.
This TASK describes the repair of the tube connector with subsequent separated items as follows:
Replacement of the damaged or loose rivets, refer to SUBTASK 75- 24-49-320-001, SUBTASK 75-24-49-350-001.
Replacement of the clamps, refer to SUBTASK 75-24-49-320-002, SUBTASK 75-24-49-320-003 and SUBTASK 75-24-49-350-002.
The practices and processes referred to in the procedure by the TASK numbers are in the SPM.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
NONESpares
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CLAMP | 0AM53 | 3A0558 | 1 | |
| CLAMP | 0AM53 | 3A0559 | 1 | |
| CLAMP | 0AM53 | 3A0560 | 1 | |
| Rivet blind, universal head | U1653 | ST1086-01 | 6 | |
| Rivet solid, universal head | 0AM53 | AN123168 | 6 | |
| Rivet solid, universal head | 0AM53 | AN123184 | 6 | |
| Rivet blind, universal head | 0AM53 | NAS1398C4-1 | 6 |
Safety Requirements
NONEProcedure
Refer to Figure.
Do not damage tube connector.
Drill or grind off the heads.
Use minimum of force to prevent damage of the tube connector.
Hit lightly the remaining of the rivet shaft.
SUBTASK 75-24-49-320-051 Remove the Damaged or Worn Rivets
Refer to SPM TASK 70-23-05-230-501.
No cracks are permitted.
Cracks to be repaired per VRS4251.
Do the test for cracks.
SUBTASK 75-24-49-230-072 Examine the Local Surface for Cracks
Refer to SPM TASK 70-11-06-300-503 or SPM TASK 70-11-26-300-503.
Clean the surfaces around the rivet holes.
SUBTASK 75-24-49-110-064 Clean the Tube Assembly
Refer to SPM TASK 70-39-03-390-501.
Install the rivets.
SUBTASK 75-24-49-350-085 Install the New Rivets (01-400,01-401)
Refer to SUBTASK 75-24-49-320-001.
Remove the rivets.
Remove the clamps.
SUBTASK 75-24-49-320-052 Remove the Damaged Clamps
Refer to SPM TASK 70-23-05-230-501.
No cracks are permitted.
Cracks to be repaired per VRS4251.
Do the test for cracks.
SUBTASK 75-24-49-230-073 Examine the Local Surface for Cracks
Refer to SPM TASK 70-11-06-300-503 or SPM TASK 70-11-26-300-503.
Clean the surfaces around the rivet holes.
SUBTASK 75-24-49-110-065 Clean the Tube Assembly
Refer to Figure.
If hole diameter is smaller than 0.103 in. (2.616 mm) use (Fig. Item 01-400) replacement rivet.
If hole diameter is more than above, drill out to accept oversize rivet. (Fig Item 01-401).
Refer to TASK 75-24-49-320-003.
Measure and examine the rivet hole dimension.
SUBTASK 75-24-49-230-074 Examine the Rivet Hole Dimension
Drill initial rivet holes to oversize diameter 0.1275-0.1315 in. (3.24- 3.34 mm).
Drill rivet holes in the clamp and the tube.
SUBTASK 75-24-49-320-053 Machine Clamps and Tube to Oversize as Necessary
Refer to Figure and SPM TASK 70-39-03-390-501 for machine riveting procedures.
Attach replacement parts, as applicable
SUBTASK 75-24-49-350-086 Install Replacement Clamps (01-370, 01-380, 01-390), Rivets (01-400) or Oversize Rivets (01-401), as Necessary
For acceptance standards refer to SPM TASK 70-39-03-390-501.
Visually examine the quality of the machine riveting and safety of the joints.
SUBTASK 75-24-49-220-091 Do the Post Repair Inspection
Figure: Tube Connector - Replace Clamps or Damaged Rivets
Tube Connector - Replace Clamps or Damaged Rivets
