Tamrock Axera 7, THC 560 2006 Service Manual – Factory Specs

Description

I’ll be blunt: if you’re working on a Tamrock Axera 7, THC 560 2006 Service Manual territory – that is, the drilling hydraulics – you need factory data. Aftermarket summaries will leave you chasing pressures and damaging valves. This 133-page document from Sandvik Tamrock gives you the exact test procedures and adjustments for the THC 560 system. No guesswork.

You wouldn’t ignore torque specs on a manual transmission, so why skip them on a rock drill? The THC 560 system runs on precise pressure settings – 225 bar on the variable displacement pump regulator, for instance. That’s not something you approximate. Page 26 shows the layout of the valve blocks; you’ll see exactly where each adjustment point lives.

Why This Tamrock Axera 7, THC 560 2006 Service Manual Matters

Every time I see a tech crack open a valve block without the OEM sheet, I cringe. The Axera 7 drilling platform is tough, but the hydraulics are sensitive. This manual covers the THC 560 drilling hydraulics from controls to component adjustment. It’s the same book the dealer techs use. You’ll find the anti-jamming automatics procedures and the impulse cylinder return automatics – sections 7.6 and 7.8 – explained with actual circuit diagrams. No translation errors, no missing pages.

THC 560 Drilling Hydraulics: Testing and Adjusting

Section 9 of the manual is where you’ll spend your time. Adjusting the percussion main valve, setting the feed pressure, bleeding the impulse cylinder block – all spelled out. For example, the percussion half-power adjustment requires a specific sequence using the pressure gauges (section 3.4.1). The manual warns you about hot oil temperatures (section 7.1) and tells you when to stop and let the system cool. That’s safety data you won’t get from a photocopy.

Hydraulic Components and Valve Block Layout

There are eight valve blocks in the THC 560 system: percussion and feed control, anti-jamming and return automatics, rotation control, feed pressure control, rotation speed adjusting, and impulse cylinders. Each one is drawn out in the manual with callouts for every port and adjustment screw. Page 26 gives you the overall layout. If you’ve ever had to trace a line because a previous tech swapped hoses, you’ll appreciate the diagrams.

Page 26 shows the valve block layout. That’s all you need to start tracing circuits.

Adjustments of Hydraulic Components – Step by Step

Section 9 has 16 separate adjustment procedures. You get the factory pressure ranges for the variable displacement pump (225 bar on the pressure regulator, 22-30 bar on the flow regulator), the rotation circuit max pressure, the anti-jamming pressure, and more. The manual tells you how to bleed the impulse cylinders (section 9.13) and how to adjust the percussion hour meter pressure switch (9.15). Each step references the correct gauge and location. You don’t have to guess which screw is which.

Troubleshooting the THC 560 System

The troubleshooting section (section 10) lists 15 specific failure modes, from “percussion not working at all” to “manually controlled fast feed too slow.” For each symptom, the manual gives you the probable cause and the fix. If the variable displacement pump rotates normally but the regulator is off, you check the flow regulator value (symptom 10.3.1). That kind of diagnostic logic saves hours on the job site. The same principle applies to the manual transmission – factory specs prevent failure.

133 Pages of Factory Specs You Can Trust

This is not a reprint or a third-party copy. The PDF comes from the original Sandvik Tamrock release, dated 2006. Every symbol on the hydraulic schematics matches the actual hardware. You’ll see the exact pressure gauge ranges for the THC 560 drilling pressure gauges (section 3.4.1). The manual includes optional controls like flushing flow control (section 7.7) and proximity switch controlled return automatics (7.9). If your rig has those options, the procedure is in here.

I’ve seen enough aftermarket manuals that swap “bar” for “psi” incorrectly. This one uses the factory units. Convert if you need to, but the numbers are correct.

FAQ

Does this manual cover the diesel engine?

No. It covers only the drilling hydraulics of the THC 560 system on the Axera 7. Engine data is in a separate manual.

What pressure values are given?

The manual provides pressure settings in bar. For example, the variable displacement pump pressure regulator is set to 225 bar, the flow regulator to 22-30 bar. Adjustments are pressure-based, not torque-based. If you need psi, multiply by 14.5. Conversion tables are not included, but the factory numbers are exact.

Can I use this for the Axera 7 S variant?

This manual is specifically for the Axera 7 with THC 560 drilling hydraulics. The Axera 7 S may have different valve blocks or pressures. Verify compatibility with your machine’s serial number before using.

Is the manual in English?

Yes. Original OEM English from Sandvik Tamrock, 2006.

Access the Factory Manual and stop losing billable hours to guesswork. You’ll have the exact procedures for testing, adjusting, and troubleshooting the THC 560 drilling hydraulics. That’s 133 pages of factory data – no fluff, no reprints, just the real thing. Get it now.

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