Products Description
Connect：
|
Product name |
Solenoid Valve |
|
Part number |
220-8226 |
|
Lead time |
1-3 days after payment |
| Engine number | C4.4 3054C |
|
Packing |
neutral/original |
|
MOQ |
1 PC |
|
Quality |
high quality |
|
Warranty |
3-6 months |
|
Shipping |
DHL, UPS, FedEx, Air, Sea, DDP |
|
Payment |
TT/Alibaba Trade Assurance/Credit card/Western Union/Alipay/Wechat |
Core Features & Benefits
01
High-Strength Die-Cast Alloy Valve Body
Impact and corrosion resistant; withstands harsh job site environments; service life is 1x longer than ordinary valve bodies
02
Precision Valve Core & Oil Circuit Design
Hydraulic pressure regulation error ≤2%; fast braking response and stable braking force, avoiding "soft braking" or "sudden braking"
03
Original Equipment Interfaces & Dimensions
Fully compatible with target models/engines; no need to modify pipelines or brackets; replacement can be completed within 1 hour
04
Multi-Layer Sealing Protection Structure
Uses oil-resistant rubber seals + dust-proof rubber sleeves; effectively prevents oil leakage and impurity intrusion, suitable for high-dust/high-humidity working conditions
Maintenance & Repair Tips
Warning Signs to Replace the Brake Valve
- Longer brake pedal travel, soft pedal feel, and significantly increased braking distance
- Equipment vibration during braking, fluctuating braking force, or "dragging brake" phenomenon
- Oil leakage traces around the brake valve
- Unstable braking system pressure after startup (excluding oil pump/pipeline faults)
Installation Steps
- Shut down loader, release pressure & disconnect power; remove hydraulic pipelines (mark interfaces to avoid misconnection)
- Take off old valve and clean oil/debris on the mounting base
- Install new valve, connect pipelines per marks and tighten interfaces
- Start equipment, bleed air from brake system and test braking performance
Hydraulic Oil Filter Replacement
- Inspect valve interface sealing and tighten loose pipelines every 500 operating hours
- Avoid high-pressure water washing on the valve body to prevent impurity intrusion
- Clean the oil inlet filter screen when replacing hydraulic oil
- Release brake system pressure before long-term equipment storage
Chaotian Construction Machinery Equipment Co., Ltd.
We supply premium replacement parts (valves, filters, compressors) for Cat/Komatsu heavy equipment. With 10+ years of experience, we focus on OEM precision and cost-effective durability-all parts pass strict quality audits.
Our Evaluation
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