Pulser

Produced as a durable replacement option for intensive drilling applications, the Pulser (OEM 2651 1564 20) is an aftermarket timing pulser/relay component for SANDVIK equipment including CDH 821C, CDH 911C, CM 470, CM 470II and other compatible applications. It generates timed electrical switching for the dust-filter cleaning function, helping trigger periodic cleaning cycles so accumulated dust can be released from the filtration system.

Consistent timing supports effective filter cleaning and stable airflow in dusty drilling environments. The component is selected for dependable switching, electrical connection and resistance to vibration, allowing the cleaning circuit to operate predictably during extended machine use.

Offered as an alternative to the referenced OEM part, it gives maintenance teams a practical, cost-effective option without changing the intended installation concept. Delkom part reference 122 000 009 can be used for quotation and cross-reference requests. Delkom can support your purchasing team with availability checks, technical cross-reference information and quotation requests.