Which technician is correct about the use of a garter spring in lip-type seals?

The use of a garter spring in lip-type seals is indeed an important topic in understanding how these seals maintain their function and effectiveness. A garter spring is typically employed to exert a constant force on the lip of the seal against the shaft or housing. This helps to ensure a tight seal, preventing the leakage of fluids such as oil or coolant while allowing for some shaft movement and rotation.

Both technicians accurately recognize the significance of the garter spring. Technician A may discuss how the spring assists in maintaining contact between the lip of the seal and the component it seals against, contributing to a better sealing performance over time, particularly in applications where there are varying temperatures and pressures. Technician B might focus on the implications of seal wear over time and the role of the garter spring in compensating for this wear, thereby extending the effective life of the seal.

The agreement between both technicians highlights the critical function of the garter spring in lip-type seals and demonstrates their understanding of the mechanics at play, which is crucial for a diesel technician when performing maintenance or repairs on engines and other equipment that utilize these types of seals.