PC130‑200‑400 No‑OEM‑PC130‑200‑400‑Arm‑Hold‑Valve Arm Hold Valve Assembly Compatible with Excavator

1. Product Overview & Wholesale Price Range

The PC130‑200‑400 Arm Hold Valve Assembly (Part # No‑OEM‑PC130‑200‑400‑Arm‑Hold‑Valve) is an important boom position‑keeping hydraulic component for PC130‑200‑400 series excavator hydraulic circuit. It locks boom hydraulic oil circuit, avoids boom slow sinking under load condition, and fixes typical malfunctions including boom automatic dropping, poor position retention and boom shaking during operation.

• Factory Wholesale Price: $132 – $235 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel body, precision machining, good sealing performance, stable holding pressure, long service lifespan
• MOQ & Bulk Discount: 1 Unit, favorable price for large‑volume maintenance orders
• Lead Time: 1‑3 working days, adequate stock supports global logistics delivery
• Warranty: 12‑month replacement warranty, full hydraulic pressure testing finished before dispatch

2. Application Scope

Perfectly fits PC130‑200‑400 series excavator boom hydraulic holding system and construction machinery overhaul works:

• Hydraulic Overhaul: Direct replacement for worn, stuck or damaged original arm hold valve assembly.
• Boom‑Fault Repair: Troubleshoot boom sinking, automatic boom dropping and poor position‑holding performance.
• Repair Workshop: Accurate dimensional match, convenient installation, reliable boom holding performance.
• Overseas Parts Dealer: Stable inventory supply, complete QC records support cross‑border spare‑parts trading.

3. Common Arm Hold Valve Assembly Failure Troubleshooting

• Fault 1: Excavator Boom Sinks Slowly Under Load
  Cause: Internal valve spool wear, seal aging, impurities stuck inside valve body.
  Solution: Install brand‑new No‑OEM‑PC130‑200‑400‑Arm‑Hold‑Valve arm hold valve assembly, flush hydraulic circuit and replace hydraulic filter element.
• Fault 2: Boom Drops Automatically After Stopping Operation
  Cause: Internal sealing surface damage, holding pressure failure.
  Solution: Fit PC130‑200‑400 No‑OEM‑PC130‑200‑400‑Arm‑Hold‑Valve arm hold valve assembly, thoroughly clean the whole hydraulic oil loop.
• Fault 3: Boom Shakes And Jitters While Lifting
  Cause: Internal component abrasion, valve core clearance over tolerance.
  Solution: Replace complete arm hold valve assembly, check hydraulic oil cleanliness condition.
• Fault 4: Oil Leakage At Arm Hold Valve Joint Surfaces
  Cause: Seal ring aging, mating surface scratch damage.
  Solution: Change full valve assembly or matching seal repair kit.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How do I confirm this arm hold valve assembly fits my excavator?
A: Please confirm excavator model, mounting dimension and boom pressure parameters, provide No‑OEM‑PC130‑200‑400‑Arm‑Hold‑Valve for fast compatibility verification.

Q2: What quality inspection will be carried out before goods dispatch?
A: Every PC130‑200‑400 arm hold valve assembly undergoes strict hydraulic holding‑pressure test to guarantee reliable boom position‑locking performance.

Q3: What points need attention while installing arm hold valve assembly?
A: Keep mounting surface clean to prevent dirt entering valve interior, exhaust air from hydraulic circuit after finishing installation.