Removal of the Broken Bolts or Studs [IAE]

TASK 70-35-26-000-801-A
Removal of the Broken Bolts or Studs

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

1. Reason for the Job
To remove broken bolts and/or studs by mechanical removal methods, unless specified differently.
2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V10-058)	Penetrating oil
(Material No.V10-077)	lubricant (engine oil)

3. Procedure
Subtask 70-35-26-020-051-A ** ON A/C NOT FOR ALL

A. Removal of a Broken Bolt and/or Stud
(1) Drill a hole into the end of the broken bolt and/or stud. Refer to the tool manufacturer's instructions for the correct size of the drill.
(2) Put the extraction tool into the drilled hole and lock into position.
(3) Turn the extraction tool in a counterclockwise direction to remove the broken bolt or stud.
(4) If necessary, tap the threads to clean or chase the threads
(a) It is permitted to use COMAT Penetrating oil (Material No.V10-058) or COMAT V10-077lubricant (engine oil) as a lubricant, if necessary, when you tap the threads.
(5) Examine the threads for damage or an oversize condition.

[Rev.10 from 2021] 2026.04.01 02:19:41 UTC