PC110‑7 No‑OEM‑PC110‑7‑Arm‑Hold‑Valve Arm Hold Valve Compatible with Excavator

1. Product Overview & Wholesale Price Range

The PC110‑7 Arm Hold Valve (Part # No‑OEM‑PC110‑7‑Arm‑Hold‑Valve) is an important hydraulic control valve for PC110‑7 excavator boom circuit. Its main function is to lock boom oil circuit, maintain boom fixed position, prevent boom slipping and dropping when machine stops working, guarantee operation safety of digging jobs.

• Factory Wholesale Price: $130 – $240 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel, precision grinding, anti‑wear property, stable locking‑holding performance, long working service life
• MOQ & Bulk Discount: 1 Unit, favorable quotation for bulk maintenance orders
• Lead Time: 1‑3 working days, adequate stock supports global logistics shipment
• Warranty: 12‑month replacement warranty, full hydraulic pressure test completed before shipment

2. Application Scope

Perfectly matched for PC110‑7 series excavator boom hydraulic system and engineering machinery overhaul jobs:

• Hydraulic Overhaul: Direct replacement for worn, stuck or failed original arm hold valve.
• Boom Anti‑slip Protection: Lock boom oil circuit to solve boom slipping‑down failure, improve operation safety.
• Repair Workshop: Excellent dimensional compatibility, convenient installation, reliable holding‑lock performance.
• Overseas Parts Dealer: Stable stock supply, complete QC inspection records support cross‑border spare‑parts trading.

3. Common Arm Hold Valve Failure Troubleshooting

• Fault 1: Excavator Boom Slipping Down Rapidly After Stopping Operation
  Cause: Valve spool wear, internal impurity clogging, sealing surface damage.
  Solution: Install new No‑OEM‑PC110‑7‑Arm‑Hold‑Valve arm hold valve, clean hydraulic oil circuit and replace filter element.
• Fault 2: Boom Move Slowly, Response Lag When Operating Joystick
  Cause: Valve spool jamming, internal flow channel blocked by dirt.
  Solution: Fit PC110‑7 No‑OEM‑PC110‑7‑Arm‑Hold‑Valve arm hold valve, clean whole hydraulic oil loop.
• Fault 3: Abnormal Hydraulic Noise While Boom Stays In Holding Position
  Cause: Internal component abrasion, unstable valve locking‑holding performance.
  Solution: Replace complete valve assembly, inspect hydraulic oil cleanliness condition.
• Fault 4: Hydraulic Oil Leakage At Valve Connection Joint
  Cause: Sealing ring aging, joint surface scratch damage.
  Solution: Replace whole valve unit or matching seal repair kit.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How do I confirm this arm hold valve fits my excavator?
A: Please verify machine model, mounting dimension and hydraulic circuit parameter, provide part number No‑OEM‑PC110‑7‑Arm‑Hold‑Valve for fast compatibility check.

Q2: What quality tests are done before shipment?
A: Each PC110‑7 arm hold valve passes hydraulic lock‑holding pressure test to guarantee stable performance.

Q3: What should you pay attention to during installation?
A: Keep mounting surface clean to prevent dirt entering valve interior, bleed air from hydraulic circuit after installation.