1. Product Introduction

The XJFH-5 air winch spare parts lineup consists of precision-machined, industry-standard components built to meet rigorous drilling equipment specifications, with full interchangeability with original winch assemblies. Every part is manufactured using high-strength alloy steel, wear-resistant rubber, and precision bearing materials to withstand extreme pressure, temperature fluctuations, and continuous heavy-duty cycling, eliminating the need for custom modifications and reducing installation downtime. This parts suite covers all critical wear components for XJFH-5/25 (F)ZP pneumatic winches, making it the definitive procurement and maintenance reference for drilling rig operators, maintenance teams, and equipment supply specialists.
2. Key Functional Specifications
- Pneumatic Control Functionality: Air valve components regulate compressed air flow with ±0.02MPa pressure accuracy, ensuring smooth winch startup, braking, and speed regulation for safe load lifting and lowering.
- Power Transmission Stability: Precision rolling bearings (6211, 6307, 6005-2Z series) reduce friction coefficient to below 0.008, supporting rated rotational speeds and efficient torque transfer for 5-ton lifting loads.
- Sealing Performance: High-pressure gaskets, fuel rings, and air rings create a zero-leakage barrier, resisting drilling fluid corrosion and compressed air erosion to maintain internal component pressure integrity.
- Wear Resistance: Self-lubricating bearings and specialized packing components extend replacement intervals by up to 40% compared to standard aftermarket parts, reducing recurring maintenance costs.
3. Structural Design Advantages
All XJFH-5 air winch parts feature a modular, interchangeable structural design aligned with original winch assembly blueprints, simplifying disassembly, replacement, and alignment procedures. Key structural highlights include:
- Standardized dimensional tolerances (±0.01mm for precision components) for perfect fitment with air distribution, cylinder block, gear drive, reel, and gearbox subassemblies
- Reinforced stress-bearing structures for high-load components, preventing deformation under 125% of rated lifting capacity
- Corrosion-resistant surface treatments (phosphating, nitriding) for metal parts, suitable for high-humidity, salt-spray offshore drilling environments
- Universal mounting interfaces to eliminate compatibility errors and reduce on-site adjustment time
4. Applicable Operating Conditions
These replacement parts are engineered to perform reliably in the most demanding drilling scenarios, with full compliance with industrial pneumatic equipment operating standards:
- Ambient temperature range: -20°C to 60°C (-4°F to 140°F)
- Compressed air pressure range: 0.6-0.8MPa (87-116PSI), standard for drilling rig pneumatic systems
- Onshore drilling rigs (land-based exploration, development drilling)
- Offshore drilling platforms (jack-up rigs, semi-submersible rigs) moonpool and drill floor lifting operations
- Heavy-duty lifting tasks for drill pipe, casing, tools, and auxiliary equipment
- Harsh environments with dust, drilling fluid splashing, and high vibration
5. Proactive Maintenance & Troubleshooting Recommendations
To maximize component lifespan and prevent unplanned winch downtime, follow these industry-leading maintenance protocols tailored to XJFH-5 pneumatic winch parts:
- Regular Inspection Schedule: Conduct visual and pressure testing of seals, gaskets, and air valves every 250 operating hours; inspect bearing clearance and wear rings every 500 operating hours to detect early degradation.
- Lubrication Protocols: Apply specialized pneumatic equipment lubricant to bearings and sliding components per OEM specifications; avoid over-lubrication to prevent dust accumulation and seal damage.
- Leakage Mitigation: Immediately replace worn gaskets, air rings, and oil seals if pneumatic or hydraulic leakage is detected; use only matching OEM-spec parts to maintain sealing pressure.
- Wear Part Replacement: Prioritize stocking high-wear components (gaskets, bearings, sealing rings) to reduce downtime; replace self-lubricating bearings and packing components at 80% wear threshold to avoid catastrophic failure.
- Environmental Protection: Shield exposed components from drilling mud and saltwater; clean and inspect parts after extreme weather or heavy-duty operations to prevent corrosion and abrasion.
We supply the following spare parts:
| Item | OEM Part-No. | UoM | Description / Наименование |
| 1 | XJFH-5/35-1100 | ea | Air valve (item 15 for Air Distributing Assembly XJFH-3/35-1000Y) |
| 2 | GB308-89 | ea | Steel ball – diameter 13 (item 16 for Air Distributing Assembly XJFH-3/35-1000Y) |
| 3 | XJFH-5/35-2015 | ea | Gasket (item 20 for Air Distributing Assembly XJFH-3/35-1000Y) |
| 4 | XJFH-5/35-1016 | ea | Gasket (item 23 for Air Distributing Assembly XJFH-3/35-1000Y) |
| 5 | GB/T276-94 | ea | Bearing 6211 (item 5 for Cylinder Block Assembly XJFH-3/35-2000) |
| 6 | XJFH-5/35-2009 | ea | Baffle (item 11 for Cylinder Block Assembly XJFH-3/35-2000) |
| 7 | XJFH-5/35-2015 | ea | Gasket (item 17 for Cylinder Block Assembly XJFH-3/35-2000) |
| 8 | XJFH-5/35-2016a | ea | Fuel ring (item 18 for Cylinder Block Assembly XJFH-3/35-2000) |
| 9 | XJFH-5/35-2017a | ea | Air ring (item 20 for Cylinder Block Assembly XJFH-3/35-2000) |
| 10 | XJFH-5/35-2014 | ea | Packing δ1 (item 26 for Cylinder Block Assembly XJFH-3/35-2000) |
| 11 | GB/T276-94 | ea | Antifriction bearing 6307 (item 16 for Gear Drive Assembly XJFH-3/35-3000) |
| 12 | GB/T276-94 | ea | Bearing 6211-2z (item 19 for Gear Drive Assembly XJFH-3/35-3000) (item 5 for Reel Assembly XJFH-3/35-4000b) |
| 13 | XJFH-5/35-3019 | ea | Gasket (item 21 for Gear Drive Assembly XJFH-3/35-3000) |
| 14 | XJFH-5/35-3014 | ea | Gasket (item 22 for Gear Drive Assembly XJFH-3/35-3000) |
| 15 | GB/T283-94 | ea | Antifriction bearing 42114 (item 3 for Reel Assembly XJFH-3/35-4000b) |
| 16 | PSQ-2001 | ea | Gland (item 4 for Gearbox Assembly PSQ-2000) |
| 17 | PSQ-2002 | ea | Gearbox gland (item 5 for Gearbox Assembly PSQ-2000) |
| 18 | ea | Oil seal 25x35x10 (item 6 for Gearbox Assembly PSQ-2000) | |
| 19 | GB/T276-1987 | ea | Bearing 6005-2Z (item 17 for Gearbox Assembly PSQ-2000) |
| 20 | ea | Self-lubricating bearing 3030 (item 18 for Slider Assembly PSQ-1000) | |
| All above parts are from Taian Juling Exploiting Equipment Co. LTD |
6. On-Site Fault Repair Cases (Real-World Scenarios)
Case 1: Pneumatic Control Failure (Air Distribution Assembly)
Drill floor XJFH-5 winch experienced unresponsive speed regulation and air leakage during casing lifting. Inspection revealed worn XJFH-5/35-1100 air valves and damaged 13mm steel balls in the air distribution assembly. Replacement of the air valve and steel balls restored air flow accuracy, eliminating leakage and restoring full speed control within 90 minutes of repair.
Case 2: Cylinder Block Power Loss (Cylinder Block Assembly)
Offshore moonpool winch exhibited reduced lifting torque and abnormal noise under 4-ton load. Diagnostics showed worn 6211 bearings and damaged fuel/air rings causing pressure loss. Swapping XJFH-5/35-2009 baffles, sealing rings, and replacement bearings resolved torque loss, returning the winch to 100% rated capacity.
Case 3: Gear Drive Seizure (Gear Drive Assembly)
Land rig winch suffered gear jamming and intermittent operation. Inspection found seized 6307 antifriction bearings and degraded gaskets in the gear drive assembly. Replacing worn bearings and XJFH-5/35-3019 gaskets eliminated friction buildup, restoring smooth gear rotation and preventing full assembly failure.
7. Frequently Asked Questions (FAQ)
| FAQ Question | Official Response |
| Are these parts fully compatible with XJFH-5/25 (F)ZP pneumatic winches only? | Yes, these components are precision-engineered exclusively for XJFH-5/25 (F)ZP drill floor and moonpool pneumatic winches, with full interchangeability with original OEM components to ensure perfect fit and performance. |
| What is the typical service life of high-wear parts like gaskets and sealing rings? | Under normal drilling operating conditions, high-wear components (gaskets, air/fuel rings) have a service life of 800-1200 operating hours; bearing components last 1500-2000 operating hours, depending on maintenance compliance and operating environment. |
| How do I identify the correct part number for my winch assembly repair? | Cross-reference the winch subassembly (air distribution, cylinder block, gear drive, etc.) with the OEM part number and AMOS part number listed in the core parts table; each part is labeled with its corresponding assembly position for quick identification. |
8. Procurement Guidance & Value Proposition
For drilling operators and maintenance teams seeking reliable, high-performance replacement parts for XJFH-5/25 (F)ZP pneumatic winches, this curated parts list serves as the definitive procurement and technical reference. Investing in these precision OEM-grade parts eliminates the risks of substandard aftermarket components, reduces unplanned downtime, lowers long-term maintenance costs, and ensures compliance with drilling equipment safety and performance standards. Secure your critical spare parts inventory today to maintain uninterrupted lifting operations, protect your winch equipment investment, and resolve technical failures quickly with certified, field-proven components tailored to your XJFH-5 air winch system.