China Concrete Cushing Tools Hydraulic Hammer Breaker Hydraulic Breaking Hammer, Find details about China Hydraulic Breaker, Hydraulic Crushing Machine from Concrete Cushing Tools Hydraulic Hammer Breaker Hydraulic Breaking Hammer
Tool does not run | Power unit not functioning | Check power unit for power flow and pressure (15-24 lpm 105-140 bar) |
Couplers or hoses blocked | Remove restriction | |
Pressure and return line hoses reversed at ports | Be sure hoses are connected to their proper ports | |
Mechanical failure of piston or automatic valve | Disassemble breaker and inspect for damaged parts | |
Tool does not hit effectively | Power unit not functioning | Check power unit for power flow and pressure (15-24 lpm 105-140 bar) |
Couplers or hoses blocked | Remove restriction | |
Fluid too hot (above 140 °F/60 °C) | Provide cooler to maintain proper fluid temperature (130 °F/55 °C) | |
Low accumulator charge (pressure hose will pulse more than normal) | Recharge accumulator. Replace diaphragm if charge loss continues | |
Tool operates slow | Low gpm supply from power unit | Check power unit for proper flow (7-9 gpm/26-34 lpm) or 5-6 gpm /18-22 lpm |
High back-pressure | Check hydraulic system for excessive backpressure (over 200 psi/14 bar) | |
Couplers or hoses blocked | Remove restriction |