* * * FOR ALL
TASK 72-51-01-100-801
1 . General.
A.This procedure gives instructions to clean the HPT stage 1 nozzle support (nozzle support). Refer to Figure 601.
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(01-030 , 72-51-00) (SIN 172A1)
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(01-031 , 72-51-00) (SIN 172A1) (SB 72-0095)
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(01-032 , 72-51-00) (SIN 172A1) (SB 72-0155)
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(01-032 , 72-51-00) (SIN 172A1) (SB 72-0294)
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(01-032 , 72-51-00) (SIN 172A1) (SB 72-0359)
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(01-032 , 72-51-00) (SIN 172A1) (SB 72-0379)
•
(01-032 , 72-51-00) (SIN 172A1) (SB 72-0380).
2 . Tools, Equipment, and Materials.
NOTE:
You can use equivalent alternatives for tools, equipment, and consumable materials.
A.Tools and Equipment.
(1)Special Tools. None.
(2)Standard Tools and Equipment. None.
(3)Locally Manufactured Tools. None.
B.Consumable Materials. None.
C.Referenced Procedures.
 
ATA No.
Description
 
70-21-02
Cleaning Method 2 - Vapor Degreasing
 
70-21-06
Cleaning Method 6 - Heavy-Duty Alkaline Cleaner (Without Inhibited Phosphoric Acid)
 
70-21-07
Cleaning Method 7 - Three-Step Heavy-Duty Alkaline Descaling (Without Inhibited Phosphoric Acid)
D.Expendable Parts. None.
3 . General Cleaning.
Subtask 72-51-01-110-001
A.Alternative Procedures Available. Vapor degrease the nozzle support. Refer to TASK 70-21-02-110-002 (CLEANING METHOD 2 - VAPOR DEGREASING).
* * * FOR ALL
* * * PRE SB   72-0155
Figure 601   (Sheet 1 ) Nozzle Support - Cleaning
* * * FOR ALL.ALL
* * * SB   72-0155
Figure 601   (Sheet 2 ) Nozzle Support - Cleaning
Subtask 72-51-01-110-002
A.A.Alternative Procedure. Heavy-duty alkaline clean the nozzle support. Refer to TASK 70-21-06-110-004 (CLEANING METHOD 6 - HEAVY-DUTY ALKALINE CLEANER (WITHOUT INHIBITED PHOSPHORIC ACID)).
Subtask 72-51-01-110-003
A.B.Alternative Procedure. Three step heavy-duty alkaline descale the nozzle support. Refer to TASK 70-21-07-110-005 (CLEANING METHOD 7 - THREE-STEP HEAVY-DUTY ALKALINE DESCALING (WITHOUT INHIBITED PHOSPHORIC ACID)).