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General| Brand | Unic |
|---|---|
| Model | URW295CR |
| Category | Construction Equipment |
| Language | English |
Procedures for initial checks before operating the crane to prevent incorrect operation.
Explains the function and use of the emergency stop switch for safety.
Function to prevent cargo swing by making smooth stops during radio remote control.
Controls lever movement and engine speed for interlocking operations.
How to operate the crane in manual mode when radio control is unavailable.
How to operate the crane using the radio controller.
How to switch between state and operation indications on the mode indicator.
How to activate or deactivate the shockless function for smooth operations.
How to switch to and use the low-temperature operation mode.
Procedure to reset the interlocking balance control function.
How to switch the operation mode to control outriggers via radio.
Method for starting and stopping the engine using the radio controller.
Shows the internal components and layout of the control box.
Explains the meaning of mode indicator lights during normal crane operation.
Lists blinking codes on the mode indicator for wrong operations.
Table showing mode indications for various crane operations.
Details error codes, causes, and measures for troubleshooting.
Steps for performing zero point adjustment of the crane systems.
Procedure for zero point adjustment after replacing key components.
Explains mode indications when zero point adjustment fails.
How to adjust crane operation speed when it's too fast or slow.
How to correct engine speed for medium/slow speed radio control.
Procedure to correct issues related to storing the hook.
Procedure to correct issues related to releasing the hook.
Steps for correcting PWM values in the system.
A comprehensive list of all voice messages and their meanings.
Detailed diagram and specifications of the MRV-500 control valve.
Details and diagram of the main relief valve.
Details and diagram of the relief valve for hook storage.
Details and diagram of the pressure reducing valve.
Details and diagram of the back pressure valve.
Details and diagram of the pressure regulator valve.
Details and diagram of valve bodies for specific functions.
Details and diagram of valve bodies for outrigger operation.
Shows O-ring positions on valve body jointing surfaces.
Details and diagram of the accelerator cylinder.
Details spool assembly types and replacement information.
Illustrates oil flow in the in-out body when the crane is not in operation.
Illustrates oil flow in the in-out body when the crane is being operated.
Illustrates oil flow in the in-out body during unloading.
Illustrates oil flow during hook storing operation.
Illustrates oil flow when hook storing relief valve is active.
Illustrates oil flow during boom up, hook up, boom retraction, and slewing CW.
Illustrates oil flow during boom down, hook down, boom extension, and slewing CCW.
Explains the function and working of the acceleration cylinder.
Schematic overview of the complete hydraulic system.
Diagram showing the hydraulic circuit connected to control valves.
Detailed diagram illustrating the entire hydraulic circuit.
Shows piping connections for the control valve used during running.
Shows piping connections for control valves used in crane operations.
Diagram of piping for the outrigger change valve.
Details the construction of the swivel joint and the position of houses.
Shows the piping layout for the crane column.
Explains the process of simultaneous telescoping of boom sections 4 and 5.
Detailed view of the front side section of booms 4 and 5.
Detailed view of the rear side section of booms 3 and 4.
Procedures for installing slide plates and guides on the boom.
Explanation of how telescoping cylinder 1 extends and oil flow.
Explanation of how telescoping cylinder 1 retracts and oil flow.
Explanation of how telescoping cylinder 2 extends and oil flow.
Explanation of how telescoping cylinder 2 retracts and oil flow.
Explanation of how telescoping cylinder 3 extends and oil flow.
Explanation of how telescoping cylinder 3 retracts and oil flow.
Procedures for adjusting the selector valve with an adjusting bolt.
Explains the cushion seal function and oil flow during retracting.
Explains the cushion seal function and oil flow during extending.
Identifies common troubles and provides measures for the 5-section boom.
Illustrates the oil flow when the derrick cylinder is lowering.
Illustrates the oil flow when the derrick cylinder is raising.
Explains the purpose of the punching process for cylinder repair.
Step-by-step guide on how to perform the punching process.
Details hoist winch construction and how to adjust brake shoes.
Important cautions to observe when reassembling the hoist winch.
Lists common troubles with the hoist winch and their solutions.
Details the construction of the slewing reduction gear assembly.
Procedures and cautions for reassembling the slewing reduction gear.
Step-by-step procedures for disassembling the slewing reduction gear.
Steps for mounting the turntable onto the base.
Details soft zone, bolt tightening order, and torque specifications.
Specifies tightening torque and order for column mounting bolts.
Explains how the overwinding alarm alerts the operator.
Steps for operating the overwinding alarm switch.
Detailed view of the boom top components related to the alarm.
Wiring diagram illustrating the overwinding alarm system connections.
Shows the overall system structure and component interconnections.
Detailed diagram of the crane's complete electric circuit.
General view showing the location of electrical components.
Steps to take when the crane fails to function.
Procedures for operating outriggers during emergency situations.
How to check the differential transformer for breaks or short-circuits.
Procedures for inspecting the derrick cylinder for issues.
How to inspect telescoping cylinders for sinking.
Procedures for checking outriggers for sinking during operation.
Steps for installing and detaching the boom length detector.
Procedures for replacing the main cord of the boom length detector.
Initial inspection points for the carrier before operation.
Maintenance tasks to be performed every 250 hours or 3 months.
Initial inspection points for the crane before operation.
Inspection of bolts mounting the slewing bearings for tightness.
Procedures and criteria for replacing winding-up wire ropes.
How to fix wire rope ends and correct twisted ropes.
Schedule for replacing expendable parts like gaskets, seals, and shoes.
Chart detailing lubrication points, intervals, and types for the carrier.
List of recommended hydraulic oils from various manufacturers.
List of recommended gear oils for lubrication.
List of recommended greases for lubrication.
Recommended engine oil types based on temperature.
Specifies the type of fuel required for the crane.
Recommended gear oils for the crawling motor reduction gears.
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