primary breaker

primary breaker

[′prī‚mer·ē ′brāk·ər]
(mechanical engineering)
A machine which takes over the work of size reduction from blasting operations, crushing rock to maximum size of about 2-inch (5-centimeter) diameter; may be a gyratory crusher or jaw breaker. Also known as primary crusher.
References in periodicals archive ?
A feature of the standard FDB19 is its non-fail safe operation, ideal for primary breaker installations or those that are unmanned or prone to supply interruption.
The amplifier system features front-panel output power adjustment (manual step attenuator) and RF blanking controls, and an AC primary breaker.
Tenders are invited for Checking, cleaning, greasing and oilling of all bearings, gear boxes, fluid couplings, pulley, primary breaker, wagon tipplers, MCC-IV, Sarni Mines, secondary coal crushers, stacker,reclaimer, bunker house at area of CHP-II, STPS, Sarni.
Tenders are invited for deployment of technical group of contractors labour for routine and break down maintenance checking of auxiliaries related to site of crusher and primary breaker of chp-ii stps mppgcl sarni
Tenders are invited for Daily cleaning of Conveyor 34,35,36,37 and primary breaker, old and new tippler control room crusher D of CHP-II at STPS,Sarni.