Locking Devices General Information [IAE]

TASK 70-40-11-911-014-A
Locking Devices General Information

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 70-40-11-911-010-A	Installation of the Tab-type Key Washers
TASK 70-40-11-911-011-A	Installation of Cupwashers
TASK 70-40-11-911-012-A	General Instructions for the Uses of Lockwire
TASK 70-40-11-911-016-A	General Instructions for Uses of Safety Cable

3. Job Set-up
Subtask 70-40-11-869-050-A ** ON A/C NOT FOR ALL

A. Not Applicable

4. Procedure
Subtask 70-40-11-911-054-A ** ON A/C NOT FOR ALL

A. General
(1) The primary use of a locking device is to work against the force that causes two parts to become loose.It does not help to keep the necessary torque values. Because the effect of such a device is directly related to safety,it must always be correctly applied.
(2) Locking devices are:
(a) Key washer (Ref. AMM TASK 70-40-11-911-010)
(b) Cup washer (Ref. AMM TASK 70-40-11-911-011)
(c) Lockwire (Ref. AMM TASK 70-40-11-911-012)
(d) Safety cable (Ref. AMM TASK 70-40-11-911-016)

[Rev.10 from 2021] 2026.04.01 02:19:43 UTC