Question

With reference to crankcase diaphragm glands:

Explain why effectiveness deteriorates in service.

Describe the procedure for renewal of parts so that efficiency is restored and rod scoring is avoided;

Describe how effectiveness is restored if spares are unavailable;

Explain the functions of the upper and lower sections.

2008/SR10/2015/SR09/2010/SR4/2012/SR6/2018/OCT