TASK 72-41-00-100-000 HPC Assembly - The Table Of Part Numbers/Task Numbers, Cleaning-000

DMC:V2500-A0-72-41-0000-00A-207A-C|Issue No:006.00|Issue Date:2021-05-01

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

Description

  1. TASK 72-41-00-100-000 HPC Assembly - The Table Of Part Numbers/Task Numbers, Cleaning-000

    1. General

      1. This TASK gives the procedures to clean the High Pressure Compressor (HPC) Assembly parts.

      2. The practices and processes referred to in the procedure by the TASK number are in SPM.

    2. References

      1. Refer to SPM TASK 70-10-00-100-501 for important cleaning information that supplements the TASKs.

      2. When more than one TASK is specified for a part, refer to SPM TASK 70-10-00-100-501 for selection of the applicable cleaning TASK.

      3. Refer to SPM TASK 70-10-00-100-501 for the TASK numbers given below.

    3. Procedure

      1. The parts in Table are listed in numerical order by ATA number.

      2. The TASK numbers in Table are listed in sequential numerical order.

  2. Table 1.

    ATA

    PART NAME

    ITEM PART NO.

    TASK

    72-41-00

    HPC Assembly - Nuts, Bolts, Washers, Spacers, Plates, Dowel/Pins, Brackets

    Various

    72-41-00

    HPC Stage 8, 9, And 11 Borescope Blanks (ST)

    6A3507, 6A3515, 6A4137

    72-41-00

    HPC Brackets (NI)

    2A1696-01, 2A1729-01, 2A2542-01

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-03-300-503.

    72-41-11

    HPC Stage 3 - 8 Drum Disk (TI)

    6A3508, 6A3648

    (See Note)

    NOTE

    To clean, refer to TASK 72-41-11-100-001-A00.

    72-41-11

    HPC Stage 3 - 8 Drum Disk (TI)

    6A3934, 6A3936, 6A4189, 6A4900, 6A5467, 6A5592, 6A5594, 6A5659, 6A6473, 6A7379, 6A7380, 6A7382, 6A7383, 6A7384, 6A7385, 6A7401, 6A7705, 6A8236, 6A8316, 6A8318, 6A8350, 6B1379, 6B1380, 6B1381, 6B1382, 6B1383, 6B1384, 6B1385, 6B1386, 6B1387, 6B1391, 6B1392, 6B1393, 6B1401, 6B1402, 6B1403, 6B1404, 6B1405, 6B1406

    (See Note)

    NOTE

    To clean, refer to TASK 72-41-11-100-001-B00.

    72-41-11

    HPC Stage 3 - 8 Drum Disk (TI)

    6A3508, 6A3648, 6A3934, 6A3936, 6A4189, 6A4900, 6A5467, 6A5592, 6A5594, 6A5659, 6A6473, 6A7379, 6A7380, 6A7382, 6A7383, 6A7384, 6A7385, 6A7401, 6A7705, 6A8236, 6A8316, 6A8318, 6A8350, 6B1379, 6B1380, 6B1381, 6B1382, 6B1383, 6B1384, 6B1385, 6B1386, 6B1387, 6B1391, 6B1392, 6B1393, 6B1401, 6B1402, 6B1403, 6B1404, 6B1405, 6B1406

    (See Note)

    NOTE

    To remove Oxidation and/or Silver Residue From The Titanium Surface, refer to TASK 72-41-11-110-001.

    72-41-11

    HPC Wire Seals (NI)

    6A1146, 6A1147, 6A4915, 6A4916, 6A4917, 6A4918, 6A7358, 6A7359, 6A7360, 6A7361, 6A7381, 6A7386, 6A7387, 6A7388, 6A7389, 6A7393, 6A8339, 6A8340, 6A8341, 6A8342, 6A8343, 6A8344

    72-41-12

    HPC Vortex Reducer Ring (TI)

    6A3097

    72-41-12

    HPC Vortex Reducer Ring - Bolts

    BLT5368

    72-41-12

    HPC Stage 9 - 12 Drum Disk (NI)

    2A2100-01, 2A2200-01, 2A2600-01, 2A3200-01, 2A3300-01, 2A3400-01, 2A3500-01, 6A4131, 6A4156, 6A6546, 6A7545, 6A7546, 6A7547, 6A7574

    TASK 70-12-07-120-501 (See Note)

    NOTE

    After TASK 70-11-03-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503 you must drain the internal pockets. Use a syphon tube.

    NOTE

    If TASK 70-11-13-300-503 or TASK 70-11-54-300-503 is used, it is necessary to replace the abradable and thermal spray coating on the part.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to the ends of the rear drum and all other internal openings to avoid entrapment of media.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to abradable lining to prevent damage to the coating.

    NOTE

    If necessary, blast by TASK 70-12-07-120-501 to remove residual dust, coking, and deposits after TASK 70-11-13-300-503 or TASK 70-11-54-300-503 has been completed.

    NOTE

    After the blast operation, vacuum, or blow away the remaining media, then clean by TASK 70-11-03-300-503.

    72-41-13

    HPC Rear Shaft (NI)

    2A1386, 2A1967, 2A1990

    72-41-13

    HPC Rear Shaft (NI)

    6A4151, 6A4158, 6A5868, 6A7708, 6A7712, 6A7714

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating and chrome plate on the part.

    72-41-13

    HPC Rear Shaft Heatshield (NI)

    6A1494, 6A7400

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    72-41-13

    HPC Rear Shaft Heatshield Nut And Washer (NI)

    6B1413, UP10896, UP10897

    NOTE

    Remove silver plate on PN UP10896 by TASK 70-33-16-300-503.

    72-41-14

    HPC Rear Rotating Air Seal (NI)

    6A3305, 6A4113, 6A4392, 6A5869

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501, TASK 70-12-13-300-503 or TASK 70-12-08-300-503 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-14

    HPC Rear Rotating Air Seal - Bolts, Weights

    4W1426, 4W1486, 6A1760, UP11018

    72-41-15

    HPC Rotor Blades - (Stage 3) (TI)

    6A3513, 6A3938, 6A4188, 6A5942, 6A7503, 6A8353, 6A8398, 6A8688

    NOTE

    If necessary, to remove carbon, Dry Film Lubricant or silicone rubber abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-06-300-503.

    NOTE

    If necessary, to remove silicone rubber by TASK 70-11-04-300-503 after chemical cleaning TASK 70-11-06-300-503.

    72-41-15

    HPC Rotor Blades - (Stages 4 And 5) (TI)

    6A3333, 6A3335, 6A3635, 6A3637, 6A3939, 6A3941, 6A4198, 6A4254, 6A7504, 6A7506, 6A7635, 6A8449, 6A8451, 6A8738, 6B1346

    NOTE

    If necessary, to remove carbon, Dry Film Lubricant or silicone rubber abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-06-300-503.

    NOTE

    If necessary, to remove silicone rubber by TASK 70-11-04-300-503 after chemical cleaning TASK 70-11-06-300-503.

    72-41-15

    HPC Rotor Blades - (Stages 6, 7, And 8) (TI)

    6A3245C01, 6A3245C02, 6A3246, 6A3247, 6A3248C01, 6A3248C02, 6A3249, 6A3250, 6A3338, 6A3339, 6A3340C01, 6A3340C02, 6A4307, 6A4902, 6A4903, 6A4904C01, 6A4904C02, 6A4905, 6A4906, 6A4907C01, 6A4907C02, 6A4908, 6A4909, 6A4910C01, 6A4910C02, 6A5583C01, 6A5583C02, 6A5584C01, 6A5584C02, 6A5585C01, 6A5585C02, 6A5586, 6A5587, 6A5588, 6A5589, 6A5590, 6A5591, 6A6462, 6A6463, 6A6464, 6A6465, 6A6469C01, 6A6469C02, 6A6470C01, 6A6470C02, 6A6492C01, 6A6492C02, 6A6493, 6A6494, 6A6495C01, 6A6495C02, 6A6496, 6A6497, 6A7405C01, 6A7405C02, 6A7406, 6A7407, 6A7508, 6A7509, 6A7510C01, 6A7510C02, 6A7511, 6A7512, 6A7513C01, 6A7513C02, 6A7514, 6A7515, 6A7516C01, 6A7516C02, 6A8312, 6A8313, 6A8314, 6A8315, 6A8320, 6A8321, 6A8322, 6A8323, 6A8461, 6A8462, 6A8463, 6A8464, 6A8732, 6A8733, 6A8741, 6A8742, 6A8743, 6A8744, 6A8745, 6A8746, 6A8747, 6A8748, 6A8797, 6A8798, 6B1494, 6B1495, 6B1496

    NOTE

    If necessary, to remove Dry Film Lubricant abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-06-300-503.

    72-41-15

    HPC Rotor Blades - (Stages 9, 10, 11, And 12) (NI)

    6A3251C01, 6A3251C02, 6A3252, 6A3253, 6A3254C01, 6A3254C02, 6A3255, 6A3256, 6A3257C01, 6A3257C02, 6A3258, 6A3259, 6A3260C01, 6A3260C02, 6A3261, 6A3262, 6A4206, 6A4207C01, 6A4207C02, 6A4211C01, 6A4211C02, 6A4220, 6A4221, 6A4222C01, 6A4222C02, 6A4251C01, 6A4251C02, 6A4252, 6A4253, 6A4365C01, 6A4365C02, 6A4366, 6A4367, 6A4419C01, 6A4419C02, 6A4420, 6A4726, 6A4727, 6A4728, 6A4729, 6A4846, 6A5637, 6A5638, 6A5639, 6A5640, 6A5641, 6A5642, 6A5643, 6A5644, 6A5645, 6A5646, 6A5647, 6A5648, 6A5720, 6A5947, 6A6563, 6A6564, 6A6565, 6A6566, 6A6567, 6A6568, 6A7517, 6A7518, 6A7519C01, 6A7519C02, 6A7521, 6A7522C01, 6A7522C02, 6A7523, 6A7524, 6A7525C01, 6A7525C02, 6A7526, 6A7527, 6A7528C01, 6A7528C02, 6A8749, 6A8750, 6A8751, 6A8752, 6A8753, 6A8754, 6A8755, 6A8756, 6A8757, 6A8758, 6A8759, 6A8760, 6A8761, 6A8762, 6A8763, 6A8764

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 or TASK 70-12-13-300-503 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-15

    HPC Rotor Blades - Plates, Plugs, Screws, Nuts

    6A1028, 6A1033, 6A1038 (ST), 6A3597, 6A3760, 6A4108, 6A4109, 6A4110, 6A4304, 6B1088, BLT5295, BLT5296, BLT5317, UP10822, UP11012, UP11031, UP11032

    NOTE

    SBE 70-0064 locking nuts and jacking screws are matched pairs and must be kept together during cleaning.

    72-41-21

    HPC Stage 9 Case (NI)

    6A3388, 6A4311, 6A4326, 6A6511, 6A6550, 6B1434

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Front Support Cone (TI)

    6A2849, 6A4177

    72-41-21

    HPC Front Support Cone (ST)

    6A6540, 6A7577, 6B1430

    NOTE

    If TASK 70-11-05-300-503, TASK 70-11-13-300-503, or TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 7 Rotor Path Ring (ST)

    6A3651, 6A4101, 6A4161, 6A5992, 6A5995, 6A7623, 6A7626

    NOTE

    If TASK 70-11-05-300-503, TASK 70-11-13-300-503, or TASK 70-11-54-300-503 is used, it is necessary to replace the abradable lining on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 7 Case (ST)

    6A3500, 6A4310, 6A4569, 6A6548, 6A7019, 6A7529, 6A7578, 6A7624, 6B1432

    NOTE

    If TASK 70-11-05-300-503, TASK 70-11-13-300-503, or TASK 70-11-54-300-503 is used, it is necessary to replace the abradable lining on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 8 Case (NI)

    6A3387, 6A4324, 6A6549, 6B1433

    NOTE

    If TASK 70-11-05-300-503, TASK 70-11-13-300-503, or TASK 70-11-54-300-503 is used, it is necessary to replace the abradable lining on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 9 Rotor Path Ring (NI)

    6A3653, 6A4163

    NOTE

    If TASK 70-11-05-300-503, TASK 70-11-13-300-503, or TASK 70-11-54-300-503 is used, it is necessary to replace the abradable lining on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 10 Rotor Path Ring (NI)

    6A3654, 6A4164

    NOTE

    If TASK 70-11-05-300-503, TASK 70-11-13-300-503, or TASK 70-11-54-300-503 is used, it is necessary to replace the abradable lining on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 11 Rotor Path Ring (NI)

    6A3655, 6A4297

    TASK 70-12-07-120-501 (See Note)

    NOTE

    If TASK 70-11-05-300-503, TASK 70-11-13-300-503, or TASK 70-11-54-300-503 is used, it is necessary to replace the abradable lining on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 11 Case (NI)

    6A3390, 6A4328, 6A6552, 6B1436

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Front Support Cone Stiffening Ring (NI)

    6A2850, 6A4568

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 8 Rotor Path Ring (ST)

    6A3652, 6A4102, 6A4162, 6A5993, 6A5996, 6A7625, 6A7627

    NOTE

    If TASK 70-11-13-300-503 or TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stage 10 Case (NI)

    6A3389, 6A5436, 6A5438, 6A5624, 6A5676, 6A6512, 6A6551, 6A7531, 6B1435

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Cross Key Location Ring (NI)

    6A2856, 6A4179, 6A5737, 6A5738

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    NOTE

    Paint removal by TASK 70-11-05-300-503, only needs to be accomplished if paint is on the part.

    72-41-21

    HPC Stage 12 Rotor Path Ring (NI)

    6A3656, 6A4166

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Stator Vane Stops (And Heatshields - Pre SBE 72-0280) Stops - (ST)(NI) Heatshields - (TI)

    UP11194 (ST), UP60479, UP60480

    6A3405, 6A3406, 6A4265, 6A4266, 6A6560, 6A6561 (TI)

    72-41-21

    HPC Heatshields (ST)

    6A3020, 6A3021, 6A3022, 6A3028, 6A3029, 6A3030, 6A3978, 6A3979, 6A3993, 6A4259, 6A4260, 6A4262, 6A4264, 6A4570, 6A5978, 6A5979, 6A6506, 6A6508, 6A6553, 6A6555

    TASK 70-12-07-120-501 (See Note)

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503 or TASK 70-11-54-300-503.

    72-41-21

    HPC Heatshields

    6A4261, 6A4263 (ST), 6A6507, 6A6509, 6A7567, 6A7568

    TASK 70-12-07-120-501

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-03-300-503.

    72-41-21

    HPC Stage 10 Case Sealing Ring

    6A1252, 6A4184, 6A5703 (ST)

    72-41-21

    HPC Inner To Outer Case Sealing Ring (ST)

    6A2506, 6A5757

    72-41-21

    HPC Ring Cases Remaining Parts

    Nuts, Washers

    72-41-22

    HPC Stator Vanes (NI)

    6A3265C01, 6A3265C02, 6A3266, 6A3267C01, 6A3267C02, 6A3271C01, 6A3271C02, 6A3275C01, 6A3275C02, 6A3276, 6A3277C01, 6A3277C02, 6A3407, 6A3408, 6A3409, 6A3410, 6A3411, 6A3412, 6A3413, 6A3414, 6A3415, 6A3416, 6A3475, 6A4213C01, 6A4213C02, 6A4215, 6A4216, 6A4223C01, 6A4223C02, 6A4224, 6A4225, 6A4226, 6A4227, 6A4228, 6A4229C01, 6A4229C02, 6A4230C01, 6A4230C02, 6A4231, 6A4237C01, 6A4237C02, 6A4238, 6A4239, 6A4240, 6A4241, 6A4245C01, 6A4245C02, 6A4246, 6A4248, 6A4249, 6A4250, 6A7423C01, 6A7423C02, 6A7424, 6A7425C01, 6A7425C02, 6A7426, 6A7427, 6A7428C01, 6A7428C02, 6A7429, 6A7430, 6A7481, 6A7482C01, 6A7482C02, 6A7483, 6A7484, 6A7485C01, 6A7485C02, 6A7486, 6A7487, 6A7488, 6A7489, 6A7490C01, 6A7490C02, 6A7491, 6A7492, 6A7493, 6A7494C01, 6A7494C02, 6A7495, 6A7496, 6A7497C01, 6A7497C02, 6A7498, 6A7499, 6A7500, 6A7501, 6A7502C01, 6A7502C02, 6A8765, 6A8766, 6A8767, 6A8768, 6A8769, 6A8770, 6A8772, 6A8773, 6A8774, 6A8775, 6A8776, 6A8778, 6A8779, 6A8780, 6A8781, 6A8782, 6A8783, 6A8784, 6A8785, 6A8786, 6A8787, 6A8788, 6A8789, 6A8790, 6A8791

    TASK 70-12-07-120-501 (See Note)

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    NOTE

    If necessary, abrasive blast by TASK 70-12-13-300-503 only after chemical cleaning TASK 70-11-54-300-503.

    72-41-23

    Bolts

    Various

    72-41-23

    HPC Cross Key Segment (TI)

    6A2251

    72-41-23

    HPC Cross Key Segment (NI)

    6A5685

    72-41-23

    HPC Rear Seal Housing (ST)

    6A1861

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-23

    HPC Rear Outer Case (ST)

    6A2949, 6A3557, 6A4154, 6A5495, 6A5682, 6A8162, 6B1427

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-05-300-503, TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    72-41-23

    HPC Rear Outer Case Remaining Parts (ST)

    6A1414, 6A3128, 6A3510, 6A4180, AS21011, AS21511, BLT5297

    72-41-30

    HPC Front Case And Vane Assembly - Washers (Polyimide)

    6A3789, 6A3790, 6A3791

    NOTE

    Spray and thoroughly rinse after TASK 70-11-03-300-503.

    72-41-31

    HPC Front Cases (Split) (TI)

    6A3462, 6A3675, 6A5470

    NOTE

    If TASK 70-11-06-300-503 used, Rubstrip on the ID needs to be replaced.

    NOTE

    If necessary, to remove Dry Film Lubricant abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-03-300-503 or TASK 70-11-06-300-503.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to plasma coated rubstrips to prevent damage to the coating.

    72-41-31

    HPC Front Cases (Split) (TI)

    6A4439

    NOTE

    If TASK 70-11-06-300-503 used, Rubstrip on the ID needs to be replaced.

    NOTE

    If necessary, to remove Dry Film Lubricant abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-03-300-503 or TASK 70-11-06-300-503.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to plasma coated rubstrips to prevent damage to the coating.

    72-41-31

    HPC Stage 3 Rotor Path Segment (AL)

    6A3758

    72-41-31

    HPC Stage 4 Rotor Path Segment (AL)

    6A3531

    TASK 70-12-07-120-501 (See Note)

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-03-300-503.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to plasma coated rubstrips to prevent damage to the coating.

    72-41-31

    HPC Stage 4 Rotor Path Segment (NI)

    6A4348, 6A7470

    TASK 70-12-07-120-501

    NOTE

    If TASK 70-11-13-300-503 or TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemcial cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to plasma coated rubstrips to prevent damage to the coating.

    72-41-31

    HPC Stage 6 Rotor Path Segment (NI)

    6A3466, 6A3977, 6A4723, 6A5994, 6A7576

    TASK 70-12-07-120-501 (See Note).

    NOTE

    If TASK 70-11-13-300-503 or TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to plasma coated rubstrips to prevent damage to the coating.

    72-41-31

    HPC Stage 3 Blanking Plug (ST)

    6A2330, 6A3855, 6A4597

    72-41-31

    HPC Front Cases Remaining Parts - Brackets, Blanking Plate, Sealing Strips

    6A2328, 6A2329, 6A2331, 6A3080, 6A3457, 6A3689, 6A3759, 6A4571,

    NOTE

    Spray and thoroughly rinse after TASK 70-11-03-300-503.

    72-41-31

    HPC Front Case Bushes

    1001000, 1001600, 1001700, 1001900, 1002000, 1002100, 1002200, 1002300, 1002400, 1002500, 1002600, 1002700, 1002900, 1003000, 1004100, 1012377, 1012378, 1012379, 1012380, 1012381, 1012382, 1012383, 1012384, 1012385, 1012386, 1012387, 1012388, 1012389, 1012390, 1012391, 1012392, 1035212, 1035232, 1035252, 1035272, 1039400, 13786-00, 178636-1, 178636-2, 178637-1, 178637-2, 178638-1, 178638-2, 178639-1, 178639-2, 6B1138, 6B1139, 6B1140, 6B1141, 6B1142, 6B1142, 6B1143

    72-41-31

    HPC Stage 5 Blanking Plug (ST)

    6A3119, 6A3852, 6A4598, 6A6476, 6A6477, 6A7422, 6A7454, 6A7455

    72-41-31

    HPC Stage 5 Rotor Path Segment (NI)

    6A3025, 6A3976, 6A4349, 6A7471, 6A7573

    TASK 70-12-07-120-501 (See Note)

    NOTE

    If TASK 70-11-13-300-503 or TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to plasma coated rubstrips to prevent damage to the coating.

    72-41-31

    HPC Stage 6 Blanking Plug (ST)

    6A3986, 6A7456

    72-41-31

    HPC Blank (ST)

    6A1069

    72-41-32

    HPC Inlet Variable Stator Vane (TI)

    6A3690, 6A3692, 6A4201, 6A4203, 6A5653, 6A5655, 6A7472, 6A7474, 6A7723, 6A7725, 6A8058, 6A8060, 6A8405, 6A8407, 6B1269, 6B1270

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-06-300-503.

    NOTE

    Cap threaded end to avoid entrapment.

    72-41-32

    HPC Stage 3 Through 6 Variable Stator Vanes (ST) & (NI)

    6A3697, 6A3698, 6A3699, 6A3752, 6A3763, 6A3764, 6A3813, 6A3815, 6A3816, 6A3880, 6A3881, 6A3882, 6A3883, 6A3884, 6A4331, 6A4332, 6A4370, 6A4401, 6A4402, 6A5677, 6A5678, 6A5679, 6A5762, 6A5763, 6A7476, 6A7477, 6A7478, 6A7479, 6A7480, 6A7558, 6A7559, 6A7560, 6A7729, 6A7730, 6A8062, 6A8063, 6A8064, 6A8065, 6A8066, 6A8067, 6A8068, 6A8069, 6A8070, 6A8071, 6A8720, 6A8721, 6A8725, 6A8728, 6A8731, 6B1271, 6B1272, 6B1273, 6B1274, 6B1275, 6B1276, 6B1277

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    NOTE

    Deleted.

    72-41-33

    HPC Variable Stator Vane Shrouds (AL)

    6A1093, 6A1427, 6A3464, 6A3467, 6A3469, 6A7561, 6A7719, 6A7727, 6B1156, 6B1175

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-03-300-503.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to plasma coated rubstrips to prevent damage to the coating.

    72-41-33

    HPC Variable Stator Vane Shrouds (ST)

    6A3471, 6A7563, 6B1158

    TASK 70-11-03-300-503

    TASK 70-11-13-300-503

    TASK 70-11-54-300-503 (See Note)

    TASK 70-12-07-120-501 (See Note)

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-13-300-503 or TASK 70-11-54-300-503.

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray on the part.

    NOTE

    Before TASK 70-12-07-120-501 apply masks or maskants to plasma coated rubstrips to prevent damage to the coating.

    6A3471, 6A7563, 6B1158 (ST)

    (ST)

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-03-300-503 or TASK 70-11-13-300-503.

    NOTE

    If TASK 70-11-54-300-503 is used, it is necessary to replace the thermal spray coating on the part.

    72-41-33

    HPC Variable Stator Vane Shroud Bushes (Vespel Plastic) graphite/ polymide material

    6A3497, 6A3497, 6A3497, 6A3497, 6A7728, 6A7728, 6A7728, 6A7728, 6B1137, 6B1137, 6B1137, 6B1137

    72-41-33

    HPC Stator Vane Shrouds Remaining Parts - Nuts, Washers, Bolts

    4W0001, 4W0014, 4W0114, 4W0116, AS22919, AS26094, AS26096, AS26113, AS26114

    72-41-34

    HPC Variable Stator Vane Actuation System - Clean The Variable Stator Vane Actuating Components (ST & paint) (ST) (TI)

    6A2564, 6A3524, 6A3530(ST & paint), 6A3833, 6A3834, 6A3835, 6A3836, 6A4398, 6A4399, 6A4400, 6A4515, 6A4516, 6A4519, UP11076

    (ST & paint)

    6A7439, 6A7806, 6A7807, 6A8647, 6A8681, 6A8682, 6A8689, 6A8690, 6A8691, 6B1072, 6B1083, 6B1086, 6B1278, 6B1279, 6B1280, 6B1281, 6B1282, 6B1283, 6B1284, 6B1285, 6B1286, 6B1287, 6B1288, 6B1289, 6B1290, 6B1291, 6B1292, 6B1293, 6B1294, 6B1295, 6B1308, 6B1309, UP11073 (ST)

    (ST)

    6A2607 (TI), 6A2611, 6A3130, 6A3131, 6A3132, 6A3321, 6A3322, 6A3323, 6A3324, 6A3325, 6A3326, 6A3327, 6A3328, 6A3329, 6A3330, 6A3331, 6A3688, 6A4345, 6A4346, 6A4347, 6A6547, 6A7434, 6A7435, 6A7460, 6A7461, 6A7462, 6A7463, 6A7464, 6A7465, 6A7466, 6A7467, 6A7468, 6A7469

    (TI)

    NOTE

    If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning TASK 70-11-03-300-503 or TASK 70-11-13-300-503.

    72-41-34

    HPC Variable Stator Vane Actuation System - Clean Crankshaft, Stator Vane Rings, And Bridges, (ST) (ST with paint) (TI Bridges or Rings with Graphite filled Polyamide resin &/or ST bushing &/or dowels)

    6A3551, 6A3553, 6A3806, 6A4317, 6A5890, 6A7663, 6A7805, 6A7976, 6A8097, 6A8098 (ST with paint), 6A8611, 6B1068, 6B1069, 6B1070, 6B1071, 6B1081, 6B1082, 6B1084, 6B1085(ST)

    (ST) & (ST with paint)

    6A2510, 6A2521, 6A2523, 6A2528, 6A2534, 6A3535, 6A3537, 6A3539, 6A3541, 6A3543, 6A3545, 6A3547, 6A3549, 6A3753, 6A3982, 6A3983, 6A3984, 6A3987, 6A4333, 6A4340, 6A7539, 6A7540, 6A7580, 6A7584, 6A7586, 6A7588, 6A7590, 6A7593, 6A7594, 6A7596, 6A7599, 6A7603, 6A7605, 6A7607, 6A7611, 6A7847, 6A7849, 6A7851, 6A7853, 6A7855, 6A7858, 6A7860, 6A7861, 6A7863, 6A7865, 6A7866, 6A7868, 6A7869, 6A7888, 6A7890, 6A7893, 6A7894, 6A7896, 6A7898, 6A7899, 6A7901, 6A7903, 6A7906, 6A8075, 6A8077, 6A8079, 6A8080, 6A8086, 6A8088, 6A8088, 6A8115, 6A8117, 6A8119, 6A8121, 6A8123, 6A8124, 6A9106, 6A9108, 6A9110, 6A9112, 6A9114, 6A9116, 6A9118, 6A9120 (TI)

    (TI)

    72-41-34

    HPC Variable Stator Vane Actuation System - Clean The HPC Ring Centralizing Pads, Housings, And Rod End Bearings (ST)(AL) (ST with paint &/or graphite bush)

    01-412-05E025, 02-412-05E002, 02-412-06E001, 11-412-06E003, 12-412-05E002, 12-412-06E001, 6A2467, 6A2468, 6A2703, 6A2917, 6A2920, 6A2923, 6A2925, 6A2927, 6A3091, 6A3782, 6A3784, 6A3786, 6A3817, 6A3819, 6A3943, 6A3946, 6A3949, 6A3957, 6A3958, 6A3960, 6A3962, 6A3988, 6A4343, 6A4810, 6A6514, 6A7394, 6A7395, 6B1066, 6B1066, 6B1067, 6B1067, 6B1080, 6B1080

    72-41-34

    HPC Vane Actuating Crankshaft Bearing Housings

    03-413-45E001, 6A3517, 6A3519, 6A7370, 6A7372, 6A7549, 6A8808

    72-41-34

    HPC Stage 5 Vane Ring Centralizing Pad And Housing (ST)

    6A2930, 6A4335

    72-41-34

    HPC Stage 6 Vane Ring Centralizing Pad And Housing (ST)

    6A2470, 6A3959

    72-41-34

    HPC Vane Actuating Crankshaft (ST)

    6A3805, 6A4316, 6A5889, 6A7662, 6A7804, 6A7975, 6A8610

Change Type:

Revised text. (EA 20VG089)