Replacement of the Oversize Studs [PW11]
TASK 70-24-00-910-818-A
Replacement of the Oversize Studs
This procedure gives general instructions to replace the oversize studs.
2. Job Set-up Information
A. Work Zones and Access Panels
B. Referenced Information
3. Job Set-up
Subtask 70-24-00-860-063-A ** ON A/C NOT FOR ALL
Subtask 70-24-00-910-064-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:31:41 UTC
Replacement of the Oversize Studs
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 400
1. Reason for the JobThis procedure gives general instructions to replace the oversize studs.
2. Job Set-up Information
A. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 70-24-00-910-806-A | PWA 315 - Standard Torque Recommendations (for corrective action) |
Subtask 70-24-00-860-063-A ** ON A/C NOT FOR ALL
A. Not Applicable
4. ProcedureSubtask 70-24-00-910-064-A ** ON A/C NOT FOR ALL
A. Replacement of the Oversize Studs
(1) Replace studs that are stretched, loose, or have thread damage with oversize studs.
Manager of Customer Technical Service (CTS)
400 Main Street − Mail Stop 163−20
East Hartford, CT 06108 USA
Fax: 1−860−565−9825
(3) (4) When you install a stud that incorporates a cotterpin or a safety wire hole, measure the projection length from the bottom of the stud hole.
(5) See the specific repair chart applicable to the studs to be replaced.
(6) Stud torques:
(a) For standard torques, refer to (Ref. AMM TASK 70-24-00-910-806).
(7) Stud lubrication:
(a) For information on oil lubricated studs, antigallant lubricated studs, and studs in self−locking helical coil inserts, refer to (Ref. AMM TASK 70-24-00-910-806).
(1) Replace studs that are stretched, loose, or have thread damage with oversize studs.
NOTE: Always obey the specific procedures and limits in the Aircraft Maintenance Manual (AMM) maintenance task.
(2) It is permitted to replace an oversize stud to the next oversize one time. If more than the second oversize replacement is necessary, get approval from: Manager of Customer Technical Service (CTS)
400 Main Street − Mail Stop 163−20
East Hartford, CT 06108 USA
Fax: 1−860−565−9825
(3) (4) When you install a stud that incorporates a cotterpin or a safety wire hole, measure the projection length from the bottom of the stud hole.
(5) See the specific repair chart applicable to the studs to be replaced.
(6) Stud torques:
(a) For standard torques, refer to (Ref. AMM TASK 70-24-00-910-806).
(7) Stud lubrication:
(a) For information on oil lubricated studs, antigallant lubricated studs, and studs in self−locking helical coil inserts, refer to (Ref. AMM TASK 70-24-00-910-806).
Replacement Stud Types