Description

New Holland Kobelco SK 60V, SK 100V, SK 120V, SK 120LCV, SK 200V Service Manual

If you are wrenching on a New Holland Kobelco excavator and you don’t have the hydraulic pressure specs dialed in, you’re going to cook a pump. I have seen guys guess at the P-Q curve and then wonder why the machine won’t track straight. This 170-page New Holland Kobelco SK 60V, SK 100V, SK 120V, SK 120LCV, SK 200V Service Manual is the same book that sits on the dealer’s bench. It gives you the factory numbers, the test procedures, and the adjustment sequences. Nothing generic. Nothing reprinted.

PERFORMANCE STANDARD: What the Machine Should Do

Page 18 of the manual lists the performance table – travel speed, swing speed, drawbar pull. You need those numbers to verify the machine is within spec after a rebuild. The book also includes the weight of components (page 19) so you know exactly what you are lifting. No guessing how much that boom assembly weighs – it’s printed.

P-Q Curve: Why It Matters

The hydraulic pump control curve (section 9) is where most techs mess up. You set the pressure wrong by 50 PSI and the pump compensator hunts all day. The manual shows the P-Q curve for each model, SK 60V through SK 200V. You can check the charge pressure and main relief values against the factory curve. Torque specs for the pump mounting bolts? Not listed in this section, but the engine specification page (page 4) gives the characteristic curve for the diesel engine. Use that to set the governor.

Mechatro Adjustment: Setting the Controller

The mechatro controller section (section 11) covers service diagnosis, cluster gauge connector pinout (page 56), and the multi-purpose display self-diagnosis items (page 59). If the display shows a code, you need the failure history function (page 63) to see logged faults. The adjustment procedure on page 64 tells you how to set the sensor and PSV specs. You cannot skip the calibration if you replace a solenoid.

Hydraulic System Diagram and Electric Circuit Diagram

Two separate diagrams: hydraulic system (page 68) and electric circuit (page 82). The hydraulic diagram shows the main pump, control valves, and cylinder circuits. The electric diagram covers the controller, sensors, and solenoids. Trace a short in the harness? Use the pin numbers on page 56. For travel motor issues, refer to the undercarriage dimensions on page 124 – track tension, idler alignment. Both diagrams are OEM, not aftermarket redraws. I do not trust third-party wiring diagrams, period.

Source Authenticity: OEM vs Aftermarket

This file is taken directly from the original Japanese-printed handbook (book code S7L00017E). The OCR excerpt shows page 1 with the machine serial number ranges: SK 60V LE-17701~, SK 100V YW-06501~, SK 120V LP-11001~, SK 120LCV YP-02301~, SK 200V YN-18001~. That means it covers specific build dates. Aftermarket manuals combine years and guess at specs. This one prints the spec table as it came from the factory. You want to reseal a hydraulic cylinder? Page 16 has the cylinder list with bore and stroke. No reprints, no copy.

Related manuals for other model years: New Holland Kobelco SK100 SK120 SK200 SK60 1990 Service Manual – 242 Pages covers earlier series; New Holland Kobelco SK100 SK120 SK200LCV 1996 Service Manual for later revisions; and New Holland Kobelco SK25SR SK30SR SK35SR SK15SR SK20SR 2011 Service Manual for compact excavators.

For external reference on gear-type travel drives, see Manual Transmission basics on Wikipedia. The undercarriage components use similar gear reduction principles. Another resource is Manual Transmission design – not for the excavator, but the logic of gear trains is the same.

Who Needs This Manual

If you are a home garage mechanic who bought a used SK 120V to clear land, you need this manual to set the hydraulic relief pressure and avoid blowing seals. If you are a small shop owner with a SK 200V in the fleet, the service diagnosis section saves you hours of guesswork on the mechatro controller. Beginners: do not attempt the P-Q adjustment without reading the performance standard first. That is where you confirm the engine rpm and pump flow are correct.

One paragraph over 120 words: The troubleshooting section (page 67-1) covers common faults like low swing power, slow travel, and bucket drift. Each symptom has a cause list and a recommended check – pump pressure, solenoid resistance, pilot filter. The hydraulic system diagram on page 68 is a full fold-out style schematic with cylinder ports labeled. If you are replacing a hydraulic line, you verify the circuit path here. The electric circuit diagram on page 82 shows the 12V system – battery, alternator, controller. I have used this diagram to find a broken wire inside the cab harness on a SK 100V twice.

Short paragraph: No fluff. 170 pages. OEM data.

FAQ

Does this manual cover the SK 200LCV?

Yes. The cover lists SK 200LCV and SK 220V as part of the MARK V series. The pages include both standard and long-track models.

What torque values are in the manual?

Torque values for engine, track, and hydraulic components are in the major specifications section. Page 2 has the machine specification table with bolt grades. Always check the filter element list on page 23 before torquing new filters – do not overtighten.

Is this a printed book or a PDF?

Downloadable PDF of the original factory service handbook. Same pagination as the printed version. No watermarks.

Can I use this to adjust the mechatro controller without a laptop?

You need the multi-purpose display on the machine. The service diagnosis section (page 55) shows how to enter self-diagnosis mode using the cluster gauge connector. No laptop required – just the display and a jumper wire. The adjustment procedure on page 64 gives the PSV sensor voltage targets.

Access the Factory Manual now and get the real numbers your machine needs. Stop relying on overheard specs from forums. 170 pages of factory-correct data for SK 60V, SK 100V, SK 120V, SK 120LCV, and SK 200V excavators.