Used Rotary drilling rig for building for sale.
Rotary drilling rig for building ground beam driving second-hand pile driver
Power of power head
Rotating speed of power head
Common faults of rotary drilling rigs: slow and weak action of the excavator, weak digging bucket, running deviation, holding the car, climbing a slope with no strength, holding the car down, slow action of the hot car, loud noise from the large pump, weak rotation, large throttle shutdown, action failure, restart of the holding machine, slow or jammed large and small arms, high hydraulic oil temperature, failure to retract the small arm after dropping, circuit computer board failure, hydraulic pump noise, burning oil, black smoke and blue smoke, speed loss, high water temperature, difficult starting of the engine Large lower exhaust and low engine oil pressure.