DMC:V2500-A5-72-00-6000-01C-520A-B|Issue No:002|Issue Date:2019-02-01

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

V2500-A5

Common Information

TASK 72-00-60-020-001-B00 External Gearbox Module - Remove The LPC/Intermediate Case Module Drains And Fire Detector, Removal-001

General

This TASK gives the procedure to remove the initial dressings from the external gearbox. Refer to TASK 72-00-60-020-002 for other related procedures. The engine must be on support pedestals for this procedure. Refer to TASK 71-00-00-560-001.

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.

For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.

Apply the approved CoMat 10-058 PENETRATING OIL before the removal of threaded parts. Let the parts soak before removal.

Seal all openings when tubes are disconnected, to prevent contamination from unwanted material.

Discard all rubber seal rings and cotter pins removed in this procedure.

Remove and discard the lockwire before the tube or connector is disconnected.

When electrical connectors are disconnected special plastic caps must be installed.

All tubes, hoses and ducts removed in this procedure must have their maintenance completed, as given in the Component Maintenance Manual (CMM-THD-V2500-1IA).

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

Name	Manufacturer	Part Number / Identification	Quantity	Remark
CoMat 10-058 PENETRATING OIL	LOCAL	CoMat 10-058

Spares

NONE

Safety Requirements

NONE

Procedure

1. Refer to Figure, Figure, Figure, Figure, Figure, Figure and Figure.
2. Disconnect the electrical connectors 4000WD1-A and 4000WD2-A from the responders ACCESSORY ZONE FIRE DETECTOR-RIGHT (26-12-15, 01-100).
3. 1. 1183, 1184, 0955, 0956, 0957, 0958, 0941, 0959, 0960, 0961, 0962, 0974, 0975 and 0976.
4. 1. 1183, 1184, 0955, 0956, 0957, 0958, 0941, 0959, 0960, 0961, 0962, 1437, 1423 and 1410.
5. Remove the two bolts and washers that attach the two responders ACCESSORY ZONE FIRE DETECTOR-RIGHT (26-12-15, 01-100) to the bracket ACCESSORY ZONE FIRE DETECTOR-RIGHT (26-12-15, 05-120). Remove the bolts, washers, nut, clipnut and clips from clip positions 0933 and 0957 and remove the detector assembly.
6. NOTE
  The accessory zone fire detector must have its maintenance completed, as given in the Systron Donner Component Maintenance Manual (26-12-15).
  Remove the two bolts that attach the bracket ACCESSORY ZONE FIRE DETECTOR-RIGHT (26-12-15, 05-120) to the raft General Services Harness (71-51-43, 05-950) and remove the bracket.
1. Refer to Figure, Figure, Figure, Figure, Figure, Figure, Figure, Figure, Figure, Figure, Figure, Figure, Figure, Figure and Figure.
2. 1. Pre SBE 71-004: 0948, 0932, 0931, 0915, 0317, 0919, 0920, 0925, 0924, 0252, 0927, 0946, 0937, 0952, 0949, 0953, 0954, 0951, 0950, 0968, 0943, 0942, 0940, 0939, 0945, 1032 and 1132.
  2. SBE 71-004 and Pre SBE 79-0088: 0948, 0932, 0937, 0915, 0317, 0919, 0920, 0925, 0924, 0252, 0927, 0946, 0937, 0952, 0949, 0953, 0954, 0951, 0950, 0968, 0943, 0942, 0940, 0939, 0938, 0945, 1032 and 1132.
  3. SBE 79-0088: 0948, 0932, 0973, 0915, 0317, 0919, 0920, 0925, 0924, 0252, 0927, 0946, 0937, 0952, 0949, 0953, 0954, 0951, 0950, 0968, 0943, 0942, 0940, 0939, 0945, 1032 and 1132.
3. Disconnect the tube 216 from the tubes 217 and 45 and remove the two nuts and bolts that attach the tube 216 to the bifurcation panel. Remove the tube 216. Disconnect the tube 217 from the collector plate assembly and remove the tube 217.
4. Disconnect the tube 218 from the ACOC air modulating valve and the tube 219 and remove the tube 218. Disconnect the tube 219 from the collector plate assembly and remove the tube 219.
5. Disconnect the tube 221 from the gearbox (adjacent to the air starter) and the collector plate assembly and remove the tube 221. Remove the union and the packing from the gearbox.
6. Disconnect the tube 222 from the gearbox (adjacent to the hydraulic pump) and the collector plate assembly and remove the tube 222. Remove the union and the packing from the gearbox.
7. Disconnect the tube 223 from the oil tank (adjacent to the filler cap) and the collector plate assembly and remove the tube 223. Remove the union and the packing from the oil tank.
8. Disconnect the tube 224 from the gearbox (adjacent to the fuel pump) and the collector plate assembly and remove the tube 224. Remove the union and the packing from the gearbox.
9. Disconnect the tube 225 from the FMU and the collector plate assembly and remove the tube 225.
10. Disconnect the tube 226 from the collector plate assembly and the tube 227 and remove the tube 226. Disconnect the tube 227 from the tube 228 and remove the tube 227. Disconnect the tube 228 from the fuel diverter and remove the tube 228.
11. Disconnect the tube 229 from the gearbox (adjacent to the IDG) and the collector plate assembly and remove the tube 229. Remove the banjo coupling and the sealing ring.
12. Remove the four bolts that attach the drains mast and the collector plate assembly to the brackets on the angle gearbox. Remove the drains mast and the collector plate assembly.