* * * FOR ALL
TASK 72-30-74-100-801
1 . General.
A.This procedure gives the instructions to clean the VSV torque shaft (torque shaft). Keep all parts together by engine serial number. Refer to Figure 601, Figure 601A, and Figure 601B.
•
Torque shafts (01-079 , 72-30-00) (SIN 07501-2) and (01-199 , 72-30-00) (SIN 07500-2) (SB 72-0027, Configuration 1)
•
Torque shafts (01-080 , 72-30-00) (SIN 07501-2) and (01-200 , 72-30-00) (SIN 07500-2) (Configuration 2)
•
Torque shafts (01-080 , 72-30-00) (SIN 07501-2) and (01-200 , 72-30-00) (SIN 07500-2) (SB 72-0027, Configuration 3).
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
 
70-21-03
Steam Cleaning
 
70-21-04
Dry Abrasive Blast Cleaning
 
70-21-09
Light-Duty Alkaline Cleaning of Titanium Alloys
 
70-21-14
Manually-Assisted Detergent Cleaning
 
70-21-22
Light Duty Aqueous Cleaning
D.Expendable Parts. None.
3 . General Cleaning.
Subtask 72-30-74-110-005
A.Alternative Procedures Available. Light-duty alkaline clean the torque shaft. Refer to TASK 70-21-09-110-007 (CLEANING METHOD 9 - LIGHT-DUTY ALKALINE CLEANING OF TITANIUM ALLOYS).
* * * FOR ALL
* * * SB   72-0027( VSV Torque Shaft Linkage with an Adjustable Clevis - Configuration 1 )
Figure 601   VSV Torque Shaft - Cleaning
* * * FOR ALL
* * * PRE SB   72-0027( VSV Casting Torque Shaft Linkage - Configuration 2 )
Figure 601A   VSV Torque Shaft - Cleaning
* * * FOR ALL
* * * SB   72-0027( VSV Casting Torque Shaft Linkage - Configuration 3 )
Figure 601B   VSV Torque Shaft - Cleaning
Subtask 72-30-74-160-001
A.A.Alternative Procedure. Steam clean the torque shaft. Refer to TASK 70-21-03-160-001 (CLEANING METHOD 3 - STEAM CLEANING).
Subtask 72-30-74-110-002
A.B.Alternative Procedure. Manually assist detergent clean the torque shaft. Refer to TASK 70-21-14-110-012 (CLEANING METHOD 14 - MANUALLY-ASSISTED DETERGENT CLEANING).
Subtask 72-30-74-120-001
A.C.Alternative Procedure. Dry abrasive blast clean the torque shaft. Refer to TASK 70-21-04-120-E01 (DRY ABRASIVE BLAST CLEANING METHOD 4E).
Subtask 72-30-74-110-006
A.D.Alternative Procedure. Light duty aqueous clean the torque shaft. Refer to TASK 70-21-22-110-042 (CLEANING METHOD 22 - LIGHT DUTY AQUEOUS CLEANING (METHOD 1)).
Subtask 72-30-74-110-007
A.E.Alternative Procedure. Light duty aqueous clean the torque shaft. Refer to TASK 70-21-22-110-050 (CLEANING METHOD 22 - LIGHT DUTY AQUEOUS CLEANING (METHOD 2)).