Airplane Maintenance Manual
Bristell
B23
Chapter 20
Chapter 20 Page 4
Issue: 30-Sep-2020
20-10-03 Securing the Bolt Joints
General
Bolt joint securing is used in order to prevent from their loosening
due to vibration or force action on the connected parts, which could
result in the damage of the connected parts. Three ways of bolt joint
securing are used on the airplane: locking wire, cotter pin and locking
washer.
Securing Bolt Joints by Locking Wire
Procedure of bolt joint securing is shown on Fig. 1 and Fig. 2. The
zinc-coated or stainless steel wire having diameter of 0.8 mm
(0.032in) is used for securing.
Figure 1
Ways of Bolt Joint Securing