Part of the Hyundai Repair Manuals.
Wrenching on a Hyundai R200W-7? This 603-page Hyundai R200W-7 Shop Manual PDF covers the wheeled hydraulic excavator from the pump device all the way to the work equipment cylinders. You get hydraulic schematics tracing main and pilot circuits through single and combined operation, wiring diagrams with connector pinouts and component locations, and troubleshooting charts for the hydraulic, electrical, and mechatronics systems. Disassembly and assembly procedures walk through the main pump, control valve, swing motor, travel motor, transmission, steering valve, and both axles, step by step with the special tools called out. Set the main relief valve at 7 to 8 kgf·m (50.6 to 57.8 lbf·ft) and torque the M10 main pump bolts to 8.27 kgf·m. A parked excavator earns nothing. Bookmarked by section with a full text layer; type the spec you need, jump straight to it, and get back on the machine.
What's Inside This Hyundai R200W-7 Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 1-38 | Safety Hints, Specifications |
| Structure and Function | 39-140 | Pump Device, Main Control Valve, Swing Device, Travel Device, Rcv Lever, Accelerator Pedal, Brake Pedal, Transmission |
| Hydraulic System | 141-175 | Hydraulic Circuit, Main Circuit, Pilot Circuit, Single Operation, Combined Operation |
| Electrical System | 176-227 | Component Location, Electrical Circuit, Electrical Component Specification, Connectors |
| Mechatronics System | 228-266 | Outline, Mode Selection System, Automatic Deceleration System |
| Maintenance Standard | 322-348 | Operational Performance Test, Major Components, Track and Work Equipment |
| General Precautions and Tightening Torque | 349-355 | Removal Work, Installation Work, Metric Bolt Torque, Pipe and Hose Torque, Fitting Torque |
| Pump Device | 356-375 | Main Pump Removal, Main Pump Installation, Regulator Disassembly, Regulator Assembly, Pump Tools |
| Main Control Valve | 376-397 | Control Valve Disassembly, Spool Inspection, Relief Valve Maintenance, Swing Logic Valve, Boom Priority Valve |
| Swing Device | 398-437 | Swing Motor Removal, Swing Motor Disassembly, Swing Motor Assembly, Reduction Gear Disassembly, Reduction Gear Assembly |
| Travel Motor | 438-441 | Travel Motor Removal, Travel Motor Installation, Motor Unit Structure, Regulator Structure, Tightening Torque |
| Transmission | 442-515 | Transmission Removal, Transmission Installation, Shifting Clutches, Planetary Drive, Declutch Unit, Brake Assembly |
| Steering Valve and Axles | 516-562 | Steering Valve Removal, Steering Valve Disassembly, Steering Valve Assembly, Front Axle, Rear Axle, Turning Joint |
| Work Equipment | 563-603 | Bucket Cylinder, Arm Cylinder, Boom Cylinder, Dozer Cylinder, Outrigger Cylinder, Work Equipment Structure |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Main relief valve, port relief valve & negative control relief valve - O-rings, back up rings and seals | 100% replacement in general | p. 342 |
| Main relief valve tightening torque | 7~8 kgf·m (50.6~57.8 lbf·ft) | p. 396 |
| Port relief valve tightening torque | 7~8 kgf·m (50.6~57.8 lbf·ft) | p. 396 |
| Main pump (Item 7, M10x1.5) | 8.27±1.7 kgf·m | p. 594 |
| Air breather (Item 2, M6x1.0) | 1.44±0.3 kgf·m | p. 594 |
| Engine oil quantity | 14.2 L | p. 34 |
| Main pump maximum pressure | 330 kgf/cm2 | p. 34 |
| Swing motor relief pressure | 240 kgf/cm2 | p. 35 |
| Travel motor relief pressure | 360 kgf/cm2 | p. 35 |
Hyundai R200W-7 Common Problems This Manual Covers
Hyundai R200W-7 all hydraulic functions weak, boom and bucket will not lift under load
Check main system pressure against the 330 kgf/cm2 pump spec listed on page 34. If pressure is low on every circuit, pull the main relief valve and inspect the seat and spring. Replace all O-rings and backup rings per the standard on page 342, then torque the valve to 7~8 kgf·m (50.6~57.8 lbf·ft).
Manual Section: Main Control Valve p. 376Boom, bucket, and right travel weak while stick, swing, and left travel work fine
Test each pump circuit separately using the diagnosing procedure that starts. Weak boom, bucket, and right travel with a healthy other side points to one pump relief valve out of adjustment. Trace the affected circuit on the hydraulic schematic on page 142, then replace that relief valve and torque it to 7~8 kgf·m.
Manual Section: Hydraulic and Mechanical System Troubleshooting p. 142Boom or bucket drifts down with controls in neutral and engine running
Remove the suspect port relief valve and swap it with one from a healthy circuit to confirm the fault follows the valve. If the drift moves with it, replace the valve; page 342 calls for 100 percent replacement of O-rings, backup rings, and seals. Torque the port relief valve to 7~8 kgf·m (50.6~57.8 lbf·ft).
Manual Section: Maintenance Standard p. 342Upper structure will not swing either direction, all other functions operate normally
Check swing circuit relief pressure first; the spec is 240 kgf/cm2 on page 35. If pressure checks out, pull the swing spool from the main control valve and inspect for contamination sticking the core. Clean the spool and bore with solvent, and if the motor is suspect, follow the swing device procedures starting on page 398.
Manual Section: Swing Device p. 398Hydraulic oil looks cloudy or milky, pump whines and cavitates at high idle
Drain a sample and inspect the hydraulic oil for water if it looks milky. Replace the return filter and the tank air breather, torquing the breather bolts to 1.44±0.3 kgf·m (10.4±2.2 lbf·ft) per page 594. Bleed all air from the suction line before restarting, then recheck for whine at high idle.
Manual Section: Hydraulic and Mechanical System Troubleshooting p. 594Frequently Asked Questions
How do I delete all recorded error codes from the CPU controller memory?
To delete all recorded error codes, select the recorded error (TIME Er) display on the cluster. Then, press the engine and select switch simultaneously for 2 seconds or more. The cluster display will change to 'TIME Er : 00', indicating that all recorded error codes have been deleted from the memory. p. 240
What is the procedure to check the internal leakage of the boom cylinder?
Lower the bucket teeth to the ground with the bucket and arm cylinders fully retracted. Disconnect the hose(A) from the rod side of the boom cylinder and drain the oil. Raise the bucket off the ground by retracting the arm cylinder rod; if oil leaks from the piping side, there is an internal leak in the cylinder. p. 289
What is the standard tightening torque for the main pump mounting bolts?
The standard tightening torque for the main pump mounting bolts (M20 x 2.5) is 42.0 ± 4.5 kgf·m (304 ± 32.5 lbf·ft). p. 353
What is the standard engine speed for the R200W-7 in M mode?
The standard engine speed for the R200W-7 in M mode is 1850 ± 50 rpm, measured with the accel dial set at the 10 (Max) position. p. 326
What is the standard tightening torque for the main relief valve?
The standard tightening torque for the main relief valve is 7 to 8 kgf·m (50.6 to 57.8 lbf·ft). p. 396
How quickly can I access this Hyundai R200W-7 manual after buying?
One searchable PDF covering 603 pages, delivered instantly. No disc, no shipping, no waiting on the post.
Can I print a copy of this Hyundai R200W-7 Shop Manual for the shop?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
Reviews
There are no reviews yet.