Core Application & Target User Demand
This catalog covers specialized lubrication and hydraulic system spare parts exclusively compatible with the ZJ40 Truck-mounted Drilling Rig (SJ Petro), critical for maintaining the rig's lubrication, pressure regulation, and power transmission efficiency. Tailored for oilfield maintenance teams, drilling contractors, and equipment repair workshops, it addresses pain points such as lubrication failure, hydraulic leakage, and component wear caused by incompatible or low-quality parts. The core value lies in ensuring stable operation of the rig's key systems, reducing unplanned downtime, and extending equipment service life, specifically adapting to the high-load, high-temperature, and dusty outdoor drilling environment.
1. Lubrication & Hydraulic System Core Components
Lubrication and hydraulic system core components are the "heart" of the ZJ40 rig's lubrication and pressure control, responsible for oil supply, pressure regulation, and oil purification. Failure leads to insufficient lubrication, component seizing, and system pressure loss. Our parts comply with API 7K and ISO 4406 standards, featuring high precision and wear resistance to ensure reliable system operation under harsh drilling conditions.
Serial No. | Part Name & Number | Material | Main Wear Reasons | Damage Prevention Notes |
1 | Valve, Relief (7602-2914-78) | 2Cr13 stainless steel valve body; 40Cr alloy steel valve core; nitrile rubber seals | 1. Valve core wear caused by high-pressure oil impact and contamination with abrasive particles; 2. Seal failure due to long-term contact with high-temperature oil | 1. Use lubricating oil that meets OEM specifications and replace oil filters regularly; 2. Inspect valve pressure setting quarterly and avoid frequent overpressure operation |
2 | Oil Pump (7602-1830-82) | Cast iron (HT250) pump body; 42CrMo alloy steel rotor; copper alloy bushings | 1. Rotor wear caused by contaminated oil with metal particles; 2. Bushing ablation due to insufficient lubrication during startup | 1. Pre-lubricate the pump before startup; 2. Install a high-precision oil strainer and replace it according to the maintenance schedule |
3 | Filter, Oil Strainer (7602-1070-03) | Aluminum alloy filter housing; stainless steel (316) filter element; nitrile rubber gaskets | 1. Filter element clogging due to long-term use without replacement; 2. Gasket damage caused by pressure fluctuation in the oil system | 1. Replace the filter element every 500 operating hours or when differential pressure exceeds 0.3MPa; 2. Inspect gaskets for deformation during replacement and replace if necessary |
4 | Gauge, Oil Pressure (7602-1150-98) | Brass case; tempered glass dial; stainless steel (304) pressure tube | 1. Dial glass breakage due to vibration and impact during rig transportation; 2. Pressure tube corrosion caused by moisture and oil contamination | 1. Install a shock absorber on the gauge to reduce vibration impact; 2. Clean the pressure tube regularly and apply anti-corrosion grease |
5 | Jet, Oil (107.29.50.01) | Brass nozzle; 304 stainless steel connecting thread; precision machined internal channel | 1. Nozzle clogging caused by impurities in the lubricating oil; 2. Thread wear due to repeated disassembly during maintenance | 1. Clean the nozzle with a soft brush every 300 operating hours; 2. Use thread lubricant during installation to avoid thread damage |
6 | Manifold (107.29.50.02) | Q355B alloy steel; anti-corrosion paint coating; brass internal valves | 1. Internal valve wear caused by long-term oil flow impact; 2. Manifold corrosion due to oil leakage and moisture intrusion | 1. Inspect the manifold for oil leakage monthly; 2. Clean the external surface regularly and touch up anti-corrosion paint when damaged |
7 | Manifold, Crosshead (107.29.50.04) | 2Cr13 stainless steel; precision machined internal channels; nitrile rubber seals | 1. Seal failure leading to oil leakage due to vibration of the crosshead system; 2. Internal channel wear caused by abrasive particles in the oil | 1. Replace seals every 6 months; 2. Ensure the oil system is clean and replace oil filters regularly |
8 | Plate, Oil Pump Mounting (107.29.50.03) | Q235B carbon steel; galvanized surface treatment; rubber damping pads | 1. Mounting plate deformation due to uneven torque during installation; 2. Damping pad aging caused by long-term vibration of the oil pump | 1. Use a torque wrench to fasten bolts to the specified torque; 2. Replace damping pads every 800 operating hours |
9 | Tubing Assemble (107.29.32.00) | Stainless steel (304) tubing; brass fittings; rubber protective sleeves | 1. Tubing bending and cracking due to improper installation and vibration; 2. Fitting corrosion caused by moisture and oil contamination | 1. Ensure the tubing bending radius is not less than 8 times the tube diameter during installation; 2. Secure the tubing with clips to reduce vibration and inspect fittings monthly |
2. Sealing & Elastic Components
Sealing and elastic components are critical for preventing oil leakage and maintaining the pressure stability of the lubrication and hydraulic system. Failure leads to oil loss, component corrosion, and reduced system efficiency. Our parts feature high oil resistance, temperature resistance, and fatigue resistance, adapting to the high-temperature and oil-rich environment of the ZJ40 rig's systems.
Serial No. | Part Name & Number | Material | Main Wear Reasons | Damage Prevention Notes |
1 | Single Lip Oil Seal (7602-2131-47) | Nitrile rubber (NBR) lip; carbon steel skeleton; spring-loaded design | 1. Lip wear caused by friction with rotating shafts and contamination with abrasive particles; 2. Skeleton corrosion due to moisture intrusion | 1. Clean the shaft surface before installation and apply lubricating grease to the lip; 2. Inspect the oil seal for leakage monthly and replace if necessary |
2 | Double Lip Oil Seal (7602-2132-76) | FKM (Viton) rubber lips; stainless steel (304) skeleton; double spring reinforcement | 1. Lip aging and cracking due to long-term exposure to high-temperature oil; 2. Damage caused by improper installation (overstretching) | 1. Store oil seals in a cool, dry environment away from direct sunlight; 2. Use a professional installation tool to avoid overstretching the lips |
3 | O Ring Rubber (7602-1600-39) | FKM (Viton) rubber; Shore hardness 75±5; high-temperature and oil-resistant | 1. Aging and cracking due to long-term contact with high-temperature lubricating oil; 2. Damage caused by burrs on mating surfaces during installation | 1. Check mating surfaces for burrs and smooth them before installation; 2. Replace O-rings every time the assembly is disassembled |
4 | Spring, Stuffing Box (107.29.30.16) | 65Mn spring steel; heat treatment; zinc plating for corrosion resistance | 1. Fatigue deformation due to long-term compression and vibration; 2. Corrosion caused by moisture and oil contamination | 1. Inspect the spring for deformation quarterly; 2. Clean the spring surface regularly and apply anti-corrosion grease |
5 | Lock Spring (107.29.30.17) | 50CrVA spring steel; heat treatment; surface phosphating | 1. Fatigue fracture due to long-term repeated compression; 2. Damage caused by improper installation force | 1. Avoid excessive force during installation to prevent over-compression; 2. Replace the lock spring every 6 months or when elastic force decreases |
3. Pipeline & Fixing Components
Pipeline and fixing components ensure the stable layout and secure installation of the lubrication and hydraulic system's pipelines, withstanding vibration and external impact. Loosening or damage leads to pipeline leakage and system failure. Our parts feature high structural strength and corrosion resistance, ensuring reliable pipeline fixing in the harsh drilling environment.
Serial No. | Part Name & Number | Material | Main Wear Reasons | Damage Prevention Notes |
1 | Nipple (101-0401-04-02-02-L) | Brass; precision machined threads; passivated surface | 1. Thread wear caused by repeated disassembly; 2. Corrosion caused by moisture and oil contamination | 1. Use thread sealant during installation to reduce wear; 2. Avoid over-tightening and use a torque wrench to control installation force |
2 | Connector (7601-2730-07) | Stainless steel (304); quick-connect design; nitrile rubber seals | 1. Seal failure due to frequent connection and disconnection; 2. Connector body corrosion caused by outdoor moisture | 1. Avoid rough connection and disconnection operations; 2. Inspect seals monthly and replace if damaged, cover with dust caps when not in use |
3 | 5 1/6" Pipe Clamp Assembly (107.29.52.00) | Q235B carbon steel clamp; rubber anti-slip pads; galvanized steel bolts | 1. Rubber pad aging and cracking due to sun exposure and temperature fluctuations; 2. Clamp deformation caused by excessive fastening torque | 1. Replace rubber pads every 6 months; 2. Use a torque wrench to fasten bolts to the specified torque to avoid deformation |
4 | Clamp Tube 3/8" Double (107.29.53.00) | Aluminum alloy clamp; EPDM rubber sleeves; stainless steel (304) bolts | 1. Rubber sleeve wear due to pipeline vibration; 2. Clamp corrosion caused by moisture and oil contamination | 1. Secure the clamp to a stable base to reduce vibration; 2. Clean the clamp regularly and apply anti-corrosion grease to bolts |
5 | 3/8" Tube Mounting Block (Triple) (107.29.54.00) | Aluminum alloy block; rubber inserts; galvanized steel fasteners | 1. Rubber insert wear due to long-term contact with the pipeline; 2. Mounting block loosening caused by rig vibration | 1. Inspect the mounting block for tightness monthly; 2. Replace rubber inserts when they show signs of wear |
6 | Pipe Clamp Assembly (107.29.55.00) | Q235B carbon steel; powder coating; rubber anti-vibration pads | 1. Powder coating peeling due to impact and friction; 2. Rubber pad aging caused by long-term use | 1. Avoid collision with the pipe clamp during equipment operation; 2. Touch up powder coating when peeling and replace rubber pads every 6 months |
7 | Plug (101-0401-03-21-002) | Brass; tapered thread; PTFE sealing tape | 1. Thread wear caused by repeated disassembly; 2. Sealing failure due to contamination of the thread surface | 1. Clean the thread surface before installation and reapply PTFE tape; 2. Avoid over-tightening to prevent thread damage |
8 | Crosshead Door (107.29.30.01) | Q235B carbon steel; anti-corrosion paint coating; rubber sealing gasket | 1. Gasket wear and leakage due to long-term vibration; 2. Door deformation caused by improper closing force | 1. Replace the sealing gasket every 6 months; 2. Close the door gently and ensure uniform fastening of bolts |
4. Fasteners & Adjustment Components
Fasteners and adjustment components ensure the stable assembly of the lubrication and hydraulic system and precise adjustment of system parameters. Loosening or damage leads to component displacement and system parameter deviation. Our parts feature high tensile strength and corrosion resistance, ensuring reliable fixing and precise adjustment in the harsh drilling environment.
Serial No. | Part Name & Number | Material | Main Wear Reasons | Damage Prevention Notes |
1 | Shim (107.29.30.02) | Spring steel; precision grinding; surface phosphating | 1. Deformation due to uneven load bearing; 2. Corrosion caused by moisture and oil contamination | 1. Ensure the shim is fully seated during installation; 2. Clean the shim surface regularly and store in a dry environment when not in use |
2 | Shim (107.29.30.03) | Stainless steel (304); thin-walled design; precision cutting | 1. Tearing caused by improper installation force; 2. Surface wear due to micro-vibration between components | 1. Use appropriate tools to install the shim without excessive force; 2. Avoid frequent disassembly of the assembly to reduce wear |
3 | Shim (107.29.30.04) | Brass; soft material; precision machined | 1. Compression deformation due to long-term load bearing; 2. Corrosion caused by contact with corrosive impurities in the oil | 1. Check the shim for deformation quarterly; 2. Ensure the oil system is clean to reduce corrosion |
4 | Shim Set (107.29.51.00) | Assorted spring steel and stainless steel shims; precision sorted; anti-corrosion packaging | 1. Individual shim loss or damage during storage; 2. Corrosion caused by improper storage environment | 1. Store the shim set in sealed anti-corrosion packaging when not in use; 2. Take only the required shim during use to avoid losing others |
5 | Screw LNB/AC1-1-05 | 42CrMo alloy steel; heat treatment; black oxide finish | 1. Thread wear caused by cross-threading during installation; 2. Fatigue fracture due to long-term vibration | 1. Align the screw correctly during installation to avoid cross-threading; 2. Use thread locking glue to enhance anti-loosening performance |
6 | Grower Washer LNB/AC3-3-07 | 65Mn spring steel; heat treatment; surface phosphating | 1. Elastic fatigue and deformation due to long-term compression; 2. Corrosion caused by moisture and oil immersion | 1. Replace washers every time the screw is disassembled; 2. Install the washer with the curved side facing the screw head for optimal elasticity |
Procurement & Technical Reference Standards
All parts in this catalog comply with API Spec 7K (Drilling Equipment), API Spec 4F (Drilling and Well Servicing Structures), and ISO 9001:2015 quality management system standards, ensuring strict compatibility with the ZJ40 Truck-mounted Drilling Rig (SJ Petro). For procurement, it is mandatory to confirm the exact part number, rig model, and serial number to avoid mismatches; we recommend purchasing critical spare parts (e.g., Oil Pump 7602-1830-82, Relief Valve 7602-2914-78) in backup quantities to minimize downtime.
Technical reference guidelines for maintenance: 1) Establish a hierarchical maintenance schedule based on operating hours (e.g., daily visual inspection of sealing components and pipelines for leakage, weekly oil pressure and filter status checks, monthly fastener tightness inspection, semi-annual replacement of key sealing parts); 2) Use only OEM-compatible spare parts and professional tools to avoid damaging the system's precision fit and pressure stability; 3) Maintain detailed records of part replacement and maintenance activities, including operating hours, inspection results, and replacement parts information, for full lifecycle traceability; 4) Conduct pre-operation inspections of the lubrication and hydraulic system to ensure sufficient oil quantity, normal pressure, and no leakage before starting drilling operations.
For technical issues, our team of certified drilling equipment engineers provides professional consulting services, including part selection guidance, on-site maintenance support, and failure analysis for lubrication and hydraulic system faults. We also offer customized training to help your team master proper part replacement and maintenance techniques, ensuring the safe and efficient operation of the ZJ40 truck-mounted drilling rig's lubrication and hydraulic systems.
Call to Action
Reliable lubrication and hydraulic system parts are crucial for maintaining the stable operation of your ZJ40 Truck-mounted Drilling Rig (SJ Petro). Our catalog offers high-quality, OEM-compatible components with strict quality control processes, designed to address the unique challenges of the rig's lubrication and hydraulic system operation. Whether you need urgent replacement parts for unplanned downtime, long-term spare parts supply agreements, or professional technical support for system maintenance, our sales team is ready to assist. Contact us today to discuss your specific needs and receive personalized procurement solutions that reduce maintenance costs, minimize downtime, and maximize the operational reliability of your drilling rig.
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