The Diaphragm Lash is the clearance or gap between the diaphragm and the piston and spring parts that are part of the engine braking system. Within the engine brake housing, there is a diaphragm that is responsible for actuating the engine braking system. This diaphragm is made of a flexible material like rubber or a synthetic compound.Attributes:• Works in conjunction with a piston and spring assembly within the engine brake housing• Maintain proper diaphragm lash to ensure the diaphragm can function effectively and provide consistent engine braking performanceApplications:The Diaphragm Lash is used when the engine brake is applied, the diaphragm expands, pushing the piston and compressing the spring to engage the engine braking mechanism. The protective cap serves to shield the diaphragm from environmental factors, such as dust, debris, and moisture, that could potentially damage or interfere with the diaphragm's operation.