LG30V00001F1 distribuidor hidráulico para Kobelco SK75-8 miniexcavadora
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Contactos del vendedor
+86 189 289...
+86 189 2896 5241
Países Bajos, Wouw
Product Overview
The SK75‑8 is Kobelco's 7‑to‑8 ton compact — the size that suits a contractor who needs excavator capability without the transport weight of a 20‑tonner. It gets used on utility trenching, landscaping, footings, drainage and light demolition, often moving between several small jobs in a week. The hydraulic main valve, OEM reference LG30V00001F1, is what makes that schedule workable: it divides pump flow among boom, arm, bucket, swing and travel so the machine stays controllable across all of those different tasks.
Compact machines of this age often get a new pump or new cylinders before anyone looks at the valve — and then the machine still feels flat. That is the clue. A worn valve block bleeds pressure between circuits, so the machine cannot hold what the operator asks of it: the boom creeps down on a held bucket, the swing lands inconsistent, and tracks lag when the bucket is worked. This OEM‑grade assembly replaces the block complete with fresh internals set to Kobelco values, so the old unit lifts away and the new one goes straight into the original hose positions.
Core Advantages
1. Solves the "new pump, still flat" problem
When the pump and cylinders have already been replaced and the machine still underperforms, the valve is usually what is left. Restored spool clearances put the pressure back where it belongs.
2. Compact work regains its fine touch
Landscaping and footing work is judged on finish. Renewed metering means the bucket stops where the lever stops it, so edges and grades come out clean.
3. The boom holds while the operator steps off
Drift on a held bucket forces constant attention. Fresh spool pairs keep the load in place, so the operator can check grade or set a pipe without holding pressure.
4. Swing placement becomes reliable first time
Inconsistent house positioning costs a correction on every placement. Restored circuit isolation gives back the repeatability compact operators depend on.
5. OEM‑grade build at practical cost
Dealer pricing on a compact assembly is disproportionate to the machine's value. This unit delivers equivalent clearances and tested settings at a fraction, with tiered pricing for multi‑machine workshops.
Manufacturing & Quality Control
Spool and bore pairs are machined to print tolerance, matched by size, and run‑in by hand until travel is smooth across the full stroke. Assemblies are flow‑tested circuit by circuit with relief values recorded against SK75‑8 specification; out‑of‑window blocks are stripped and corrected before packing. Units ship internally fogged, ports capped, and packed in compact foam‑lined crates.
Frequently Asked Questions
Q1: How do I confirm LG30V00001F1 matches my SK75‑8?
A: Send a clear photo of the tag on the existing valve plus the machine serial number. Build variants exist across the run and we verify before dispatch.
Q2: What symptoms say the valve is worn?
A: Boom drift on held loads, inconsistent swing placement, slack at the start of strokes, and tracks that lag when the bucket is worked. A circuit leak test confirms before you commit.
Q3: Should I re‑spool my existing block?
A: If the casting is sound and has never been rebuilt, a kit can work. If the machine has already had pump or cylinder work and still feels flat, a complete assembly is usually the better answer. Photos help us judge.
Q4: What hydraulic servicing belongs with the swap?
A: Flush the system, renew the return filter, clean the suction strainer, and refill with correct‑spec oil. Starting a fresh valve on contaminated oil is how second failures happen.
Q5: Does this block fit earlier SK75 models?
A: The earlier generations use different porting and pressure trim, and it is not a straight swap. Give us the model and serial and we will identify the right reference.
Q6: Is shipping by express realistic for a block this size?
A: Yes. Compact assemblies travel well by air or express and often arrive faster than sea freight on a single unit. Tell us the destination and we will quote the quickest cost‑effective routing.