Jaw Crusher Handbook | Stone Crusher PDF JXSC Mine
2. Jaw rock crusher must test run 2 hours when first startup. It can be fed to work after the bolster temperature below 600. After that, a startup can work. 3. Jaw crushers must be started with noload. 4. Check that all the instruments are in good condition. 5. Check the crushing cavity have or not Minerals and other noncrushing materials. 6.