Product Introduction
This full HHF-2400 general frame parts collection includes the main general frame assembly, standalone frame structural components, guard covers, sealing gaskets, high-strength fasteners, and mounting accessories. Every part is precision-cut, welded, and machined from high-tensile carbon steel, designed to directly replace original factory components, eliminating compatibility issues and ensuring seamless integration with all HHF-2400 mud pump modules. Ideal for full rig assembly, structural overhauls, damaged frame repairs, and preventive maintenance, this kit provides a one-stop sourcing solution for durable, load-resistant general frame components built to withstand the harshest drilling conditions.
Functional Description
- Core Load Bearing: The main frame assembly supports the entire weight of the mud pump’s power end, fluid end, and auxiliary systems, distributing dynamic loads evenly to prevent bending or deformation.
- Module Integration & Alignment: Precision-machined mounting surfaces and locating pins ensure perfect alignment of crankshaft, connecting rod, crosshead, and fluid end modules, eliminating misalignment-related wear and failure.
- Sealing & Contamination Protection: Custom gaskets, sealing washers, and cover plates seal internal cavities, preventing mud ingress, oil leakage, and dust contamination of critical moving components.
- Safety Guarding: Left/right guards, guard covers, and crosshead cover plates create a physical safety barrier, protecting personnel from moving parts and containing potential component failures.
- Vibration Dampening & Stability: Reinforced structural plates and heavy-duty fasteners absorb operational vibration, reducing stress on welds and mounting points to maintain long-term structural rigidity.
- Drainage & Maintenance Access: Drainage covers and removable side plates enable easy fluid drainage and internal component access for routine inspections and repairs.
Maintenance & Care Recommendations
Follow these industry-standard maintenance protocols to maximize frame lifespan and preserve structural integrity:
- Daily Inspection: Check for loose bolts, cracked welds, or damaged cover plates; inspect gaskets and sealing washers for leaks or wear.
- Weekly Maintenance: Tighten all frame fasteners to specified torque values, clean cover plates and guards, and clear debris from drainage openings.
- Monthly Service: Inspect cylindrical locating pins for wear or bending, replace damaged gaskets, and check frame alignment for module misalignment.
- Quarterly Overhaul: Conduct ultrasonic weld testing on critical stress points, re-torque all high-strength bolts, and touch up paint on scratched steel surfaces to prevent corrosion.
- Long-Term Storage: Coat all steel surfaces with anti-corrosive lubricant, seal all openings with protective covers, and store on a flat, stable surface to avoid frame warping.
We supply the following spare parts:
| Assembly NB005.00 |
| Frame assembly NB005.01.00 |
| Crankshaft assembly NB004.02.00 |
| Connecting rod component NB004.02.01.00 |
| Right-hand bull gear assembly NB001.02.01.00 |
| Left-hand bull gear assembly NB001.02.04.00 |
| Pinion shaft assembly NB001.03.00 |
| Crosshead component NB005.04.00 |
| Lubrication system assembly NB005.05.00 |
| Lubrication system pipeline |
| Fluid end assembly NB005.06.00 |
| Hydraulic cylinder and liner assembly |
| Suction pipeline assembly |
| Mud guard clamp assembly NB004.06.11.00 |
| Liner water retaining device 1 NB004.06.12.00 |
| Liner water retaining device 2 NB004.06.13.00 |
| Spray system assembly NB005.08.00 |
| Spray pipe assembly NB005.08.04.00 |
| Skid assembly NB005.07.00 |
| Discharge five-way block assembly NB004.09.00 |
| Guard cover NB004.12.00 |
| Guard seal NB004.12.09.00 |
| Assembly NB005.00 |
| Description |
| Pinion shaft assembly |
| Right guard |
| Crosshead component |
| Frame assembly |
| Spring safety valve |
| Safety valve seat |
| Fluid end assembly |
| Discharge five-way block assembly |
| Spray system assembly |
| Skid assembly |
| Crankshaft assembly |
| Guard cover |
| Left guard |
| Lubrication system assembly |
| Frame assembly NB005.01.00 |
| Description |
| Rear cover plate |
| Gasket |
| Cylindrical pin with internal thread: 16X80 |
| Bolt M36*100 |
| Cover, motor mounting base |
| Gasket |
| Gasket |
| Bolt M12x50 |
| Cylindrical pin with internal thread:Φ16×60 |
| Bolt M16x60 |
| Flat washer ΦI6 |
| Side cover plate 2 |
| Side cover plate 1 (right) |
| Bolt M12x35 |
| Drainage cover |
| Sealing washer |
| Crosshead cover plate assembly 4 |
| Crosshead cover plate assembly 1 |
| Crosshead cover plate assembly 2 |
| Crosshead cover plate assembly 3 |
| Liner chamber cover plate |
| Side cover gasket 1 |
| Side cover gasket 2 |
| Side cover plate 1 (left) |
| Side cover plate 2 (left) |
| Bolt M12x25 |
| Flat washer 9I2 |
| Bolt M12x25 |
| Flat washer 9I2 |
Field Fault Repair Cases
Case 1: Loose Frame Bolts & Module Misalignment
Fault Symptom: Increased pump vibration, abnormal noise from the power end, and uneven wear on crosshead slideways, caused by shifting frame modules.
Root Cause: Loose M16 and M36 frame bolts, combined with worn cylindrical locating pins, breaking module alignment and load distribution.
Repair Solution: Replace worn locating pins, re-torque all frame bolts to OEM specifications, and re-align all mounted modules. Vibration was reduced by 70%, and normal operation was restored.
Case 2: Cover Plate Seal Leakage
Fault Symptom: Oil leakage from side cover plates and crosshead cover assemblies, leading to lubricant loss and potential mud contamination.
Root Cause: Dried, cracked side cover gaskets and damaged sealing washers, failing to maintain a tight seal under vibration.
Repair Solution: Remove and replace all worn gaskets and sealing washers, clean mating surfaces, and re-secure cover plates. Leakage was fully eliminated, and lubricant levels stabilized.
Case 3: Damaged Crosshead Cover Plate
Fault Symptom: Cracked crosshead cover plate exposing internal moving components, creating a safety hazard and allowing dust ingress.
Root Cause: Impact damage and excessive vibration causing structural failure of the crosshead cover plate assembly.
Repair Solution: Replace the damaged cover plate assembly, install new gaskets, and secure with high-strength bolts. Safety guarding was restored, and internal components were protected from contamination.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these general frame parts fully compatible with original Honghua HHF-2400 mud pumps? | Yes, all frame components are manufactured to OEM dimensional, material, and load-bearing standards, ensuring direct fitment with HHF-2400 mud pump assemblies without modifications. |
| Do these parts include all fasteners and gaskets for full frame assembly? | Absolutely, the kit includes all required bolts, flat washers, cylindrical pins, gaskets, and sealing washers for complete frame installation and module mounting. |
| Can I purchase individual frame components instead of the full kit? | Yes, every part (frame plates, guards, cover plates, fasteners, gaskets, etc.) is available for separate purchase with matching drawing numbers for targeted repairs and partial replacements. |
Procurement Guidance
Investing in these Honghua HHF-2400 mud pump general frame assembly parts ensures uncompromising structural stability, safe module operation, and long-term durability for your mud pump, minimizing costly unplanned downtime from structural failures, misalignment, and seal leaks. Each component undergoes strict load testing, weld inspection, and dimensional verification to meet API 7K drilling standards, delivering consistent performance in the harshest drilling environments and serving as a cost-effective, high-quality alternative to OEM parts.
