Product Introduction
This full HHF-1600 power end lubrication parts collection includes gear oil pumps, copper lubrication pipes, threaded pipe joints, mounting fasteners, oil filters, pressure gauges, overflow valves, and sealing hardware. Each component is crafted to directly replace original factory parts, eliminating compatibility gaps and simplifying on-site lubrication system repairs and assembly. Designed for routine preventive maintenance, emergency lubrication fixes, and full power end lubrication system overhauls, this kit provides a one-stop sourcing solution for durable, corrosion-resistant parts built to withstand continuous gear oil circulation and extreme rig conditions.
Functional Description
- Pressurized Lubricant Delivery: Dual gear oil pumps circulate clean gear oil at regulated pressure, ensuring consistent lubrication to all power end friction points under high-load operation.
- Leak-Proof Fluid Transfer: Custom-sized copper pipes and precision-threaded joints create sealed lubrication pathways, preventing oil leakage and maintaining stable system pressure.
- Contaminant Filtration: The oil filter removes abrasive particles from gear oil, preventing wear to bearings, gears, and pump internals and extending oil service life.
- Pressure Regulation & Monitoring: The overflow valve maintains optimal lubrication pressure, while the 0-1.6MPa pressure gauge enables real-time pressure tracking for proactive maintenance.
- Secure System Mounting: Pipe clamps, bolts, and nuts secure lubrication lines and components, reducing vibration-induced damage and ensuring stable alignment.
Maintenance & Care Recommendations
Follow these industry-standard protocols to maximize component lifespan and ensure consistent lubrication performance:
- Daily Inspection: Monitor the lubrication pressure gauge for stable readings, check for oil leaks at joints and pipes, and clear debris from pipe clamps and mounting brackets.
- <strong”>Weekly Maintenance: Tighten pipe joints and mounting fasteners to OEM torque specs, inspect copper pipes for cracks or kinks, and check the oil filter for clogging.
- <strong”>Monthly Service: Replace the oil filter element, flush the lubrication circuit to remove sediment, and inspect gear oil pumps for abnormal noise or reduced flow.
- <strong”>Quarterly Overhaul: Inspect all threaded joints for thread damage, replace worn gaskets and sealant, and test the overflow valve for proper pressure regulation.
- <strong”>Storage Guidelines: Coat copper pipes and metal fasteners with anti-rust oil during long-term storage, and store seals and gaskets in a cool, dry area away from UV light.
- We supply the following spare parts:
| HHF-1600 Power End Lubricating Assembly | ||
| No. | P/N(HHF-1300/1600) | Description |
| 1 | 11-3161-0601 | Key, 3/16*3/16*25.4 |
| 2 | 11-3161-0602-00 | Gear oil pump |
| 3 | 11-3161-0603 | Pipe joint, 90° 11/16-16UN-2A-NPT1/4 |
| 4 | 11-3161-0604 | Bolt, hollow |
| 5 | 11-3161-0632 | Screw, 5/16-18U NC-2A*40 |
| 6 | 11-3161-0605 | Pipe joint, 90° 15/16-16UN-2A-NPT1/2 |
| 7 | 11-3161-0606 | Pipe joint, 90° 1/2-20UNF-2A-NPT1/4 |
| 8 | 11-3161-0607 | Pipe joint, 90° 5/8-16UN-2A-NPT1/4 |
| 9 | B1527-08-00-0305 | Pipe, copper Φ8*305 |
| 10 | 11-3161-0608 | Nut, 1/2-20UNF-2B |
| 11 | 11-3161-0609 | Seat (II) |
| 12 | 11-3161-0610 | Straight pipe 15/16-16UN-2A-NPT1/2 |
| 13 | B1527-16-00-0686 | Pipe, copper Φ16*686 |
| 14 | B1527-16-00-0331 | Pipe, copper Φ16*331 |
| 15 | 11-3161-0611-00 | Pipe clamp (I) |
| 16 | 11-3161-0612 | Pipe joint, 45° |
| 17 | B1527-10-00-0838 | Pipe, copperΦ10*838 |
| 18 | B1527-12-00-0305 | Pipe, copperΦ12*305 |
| 19 | 11-3161-0613-00 | Pipe clamp Φ8 |
| 20 | B1527-08-00-0762 | Pipe, copper Φ8*762 |
| 21 | B1527-08-00-0508 | Pipe, copper Φ8*508 |
| 22 | B1527-08-00-0762 | Pipe, copper Φ8*229 |
| 23 | 11-3161-0614 | Pipe plug, NPT 1/4 |
| 24 | B1527-08-00-0915 | Pipe, copper Φ8*915 |
| 25 | B1527-08-00-1194 | Pipe, copper Φ8*1194 |
| 26 | B1527-08-00-1016 | Pipe, copper Φ8*1016 |
| 27 | 11-3161-0615 | Seat (I) |
| 28 | 11-3161-0616 | Nut, 5/8-16UN-2B |
| 29 | 11-3161-0617-00 | Pipe clampΦ12 |
| 30 | 11-3161-0618 | Gasket |
| 31 | 11-3161-0633 | Bolt, 1/4-20UNC-2A*20 |
| 32 | 11-3161-0619 | Nozzle |
| 33 | B1527-12-00-0610 | Pipe, copper Φ12*610 |
| 34 | B1527-08-00-0813 | Pipe, copperΦ 8*813 |
| 35 | 11-3161-0620 | Straight pipe 1/2-20UNF-2A |
| 36 | 11-3161-0621-00 | Double pipe clamp Φ8 |
| 37 | B1527-10-00-1956 | Pipe, copperΦ 10*1956 |
| 38 | B1527-08-00-1956 | Pipe, copperΦ 8*1956 |
| 39 | B1527-08-00-2311 | Pipe, copperΦ 8*2311 |
| 40 | B1527-08-00-1600 | Pipe, copperΦ8*1600 |
| 41 | B1527-08-00-1245 | Pipe, copperΦ8*1245 |
| 42 | 11-3161-0622 | Pipe joint NPT1/4-9/16-16UN-2B |
| 43 | 11-3161-0623 | Washer |
| 44 | 11-3161-0624-00 | Shim set |
| 45 | 11-3161-0625-00 | Seat |
| 46 | 11-3161-0626 | Straight joint 5/8-16UN-2A |
| 47 | B0093-08-59 | Washer 8 |
| 48 | 11-3161-0634 | Overflow valve |
| 49 | B0093-06-59 | Washer 6 |
| 50 | 11-3161-0635 | Gear oil pump, 2S |
| 51 | 11-3161-0636 | Pressure, gauge 0~1.6MPa(0~230PSi) |
| 52 | 11-3161-0627 | Straight joint, 11/16-16UN-2A-NPT3/8 |
| 53 | 11-3161-0628-00 | Oil filter |
| 54 | 11-3161-0637 | Sealant |
| 55 | 11-3161-0629 | Nut, 11/16-16UN-2B |
| 56 | 11-3161-0630 | Nut, 15/16-16UN-2B |
| 57 | 11-3161-0631 | Straight joint, 1/2-20UNF-2A-NPT1/4 |
Field Fault Repair Cases
Case 1: Low Lubrication Pressure & Bearing Overheating
Fault Symptom: Dropping pressure gauge readings, power end overheating, and abnormal bearing noise, indicating insufficient oil flow.
Root Cause: Worn gear oil pump and clogged oil filter restricting lubricant flow to critical components.
Repair Solution: Replace the faulty gear oil pump and oil filter, flush the lubrication circuit, and bleed air from the system. Full pressure was restored, and overheating resolved.
Case 2: Copper Pipe Leakage & Oil Loss
Fault Symptom: Persistent gear oil leakage at copper pipe joints, leading to low oil levels and inadequate lubrication.
Root Cause: Cracked copper pipe and damaged threaded joint causing seal failure under vibration.
Repair Solution: Replace the damaged copper pipe and faulty pipe joint, apply fresh sealant, and retighten connections. Leakage was fully eliminated, and oil levels stabilized.
Case 3: Overflow Valve Malfunction
Fault Symptom: Excessively high lubrication pressure, oil seepage from seals, and pressure gauge fluctuations.
Root Cause: Stuck overflow valve failing to regulate system pressure, causing over-pressurization.
Repair Solution: Replace the faulty overflow valve, recalibrate pressure settings, and inspect seals for damage. Pressure returned to normal operating range.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these lubricating parts compatible with both HHF-1600 and HHF-1300 mud pumps? | Yes, all lubrication assembly components are engineered to OEM specifications for full cross-compatibility with HHF-1600 and HHF-1300 mud pump power ends. |
| What is the pressure range of the included lubrication pressure gauge? | The pressure gauge is calibrated for 0~1.6MPa (0~230PSI), the standard operating pressure range for these mud pump lubrication systems. |
| Can I purchase individual components (pipes, joints, filters) instead of the full kit? | Absolutely, every lubrication part (copper pipes, gear pump, filter, joints, fasteners) is available for separate purchase with matching OEM part numbers for targeted repairs. |
Procurement Guidance
Investing in these Honghua HHF-1600 mud pump power end lubricating assembly parts ensures reliable, consistent lubrication, minimizes friction-induced wear, and prevents catastrophic power end failures, drastically reducing unplanned downtime and long-term maintenance costs. Each component undergoes strict pressure testing, leak testing, and fit verification to meet API 7K drilling standards, delivering OEM-equivalent performance and durability in the harshest drilling conditions.
