HYDRAULIC ROCK BREAKER OPERATING, …
When breaker is used continuously, temperature of hydraulic oil converges at a certain level depending on conditions of environment and carrier. At this temperature, the viscosity of the hydraulic oil should be 20-40 cSt (2.90-5.35ºE). The hammer should not start if the viscosity of the hydraulic oil is above 1000 cSt (131 ºE) or below 15 cSt
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