Product Introduction

This full HHF-1600 liner wash pump parts collection includes the complete wash pump assembly, structural supports, belt drive components, piping and fittings, sealing hardware, and mounting fasteners. Each component is crafted to directly replace original factory parts, eliminating compatibility gaps and simplifying on-site assembly and repairs. Designed for routine preventive maintenance, emergency flushing system fixes, and full wash pump overhauls, this kit provides a one-stop sourcing solution for durable, corrosion-resistant parts built to withstand continuous water circulation and harsh drilling site conditions.
Functional Description
- Liner Cooling & Flushing: The spray pump delivers pressurized cooling water to the mud pump liners, dissipating frictional heat and flushing away abrasive mud residue to prevent premature wear and scoring.
- Power Transmission: V-belt and belt pulley assembly transfers power efficiently to the spray pump, maintaining consistent water flow and pressure for reliable flushing performance.
- Leak-Proof Fluid Transfer: Precision-threaded joints, elbows, and hoses create sealed pathways for cooling water, preventing leaks and ensuring targeted delivery to the liner surfaces.
- Structural Support & Protection: Sturdy support brackets, guards, and connecting boards secure the wash pump assembly, shielding moving parts from debris and reducing vibration-induced damage.
- Flow Control & Regulation: Ball valves, pipe plugs, and flange connectors enable easy flow adjustment, system draining, and maintenance access for the flushing circuit.
Maintenance & Care Recommendations
Follow these industry-standard protocols to maximize component lifespan and ensure consistent liner flushing performance:
- Daily Inspection: Check for water leaks at joints and hoses, inspect V-belt tension, and clear debris from the pump guard and pulley assembly.
- Weekly Maintenance: Tighten mounting bolts and pipe clamps to OEM torque specs, flush the water circuit to remove sediment, and inspect hose joints for wear.
- Monthly Service: Replace worn V-belts, clean the spray pump inlet filter, and check the water case and cover for cracks or corrosion.
- Quarterly Overhaul: Inspect all threaded joints for thread damage, replace worn gaskets and washers, and lubricate pulley bearings to reduce friction.
- Storage Guidelines: Drain all water from the pump and hoses during long-term storage, coat metal fasteners with anti-rust oil, and store belts in a cool, dry area away from UV light.
We supply the following spare parts:
| HHF-1600 Liner Wash Pump Assembly | ||
| No. | P/N(HHF-1300/1600) | Description |
| 1 | 11-3161-0801-00-1 | Guard |
| 11-3161-0801-00-2 | Guard | |
| 2 | 11-3161-0802 | Belt pulley |
| 3 | 11-3161-0803-00 | Seat assembly |
| 4 | 11-3161-0804 | Joint, short, NPT1-1-11 1/2NPSC |
| 5 | 11-3161-0805 | Joint, NPT1 |
| 6 | 11-3161-0806 | Joint, 1-11 1/2NPSC -1 1/4-12UNF-2A |
| 7 | 11-3161-0807 | Joint, NPT2 1/2 |
| 8 | 11-3161-0808 | Joint, short, NPT2 1/2 |
| 9 | 11-3161-0818 | Hose, L=1500 |
| 10 | 11-3161-0809-00 | Hose joint, 022*037 |
| 11 | 11-3161-0810 | Elbow, 90°, NPT1 |
| 12 | 11-3161-0811 | Connecting board |
| 13 | 11-3161-0812-00 | Water case |
| 14 | 11-3161-0813-00 | Case cover |
| 15 | 11-3161-0814 | Pipe plug, NPT2 1/2 |
| 16 | 11-3161-0815 | Shim |
| 17 | 11-3161-0816 | Flange, NPT1 |
| 18 | 11-3161-0819 | Screw, 5/16-18 U N C-2 A*2 5 |
| 19 | B1171-A3708 | V belt, A3708 |
| 20 | 11-3161-0820 | Pipe clamp, No:3 |
| 21 | 11-3161-0821 | Hose, L=750 |
| 22 | 11-3161-0822 | Elbow 90°, NPT2 1/2 |
| 23 | 11-3161-0823 | Bolt, 5/8-11UNC-2A*50 |
| 24 | B0848-16-32 | Flat washer, 16 |
| 25 | B0093-16-59 | Spring washer, 16 |
| 26 | 11-3161-0824 | Bolt 1/2-13UNC-2A*40 |
| 27 | B0093-14-59 | Spring washer, 14 |
| 28 | B0096-14-59 | Washer, 14 |
| 29 | 11-3161-0825 | Bolt, 1/2-13UNC-2A*60 |
| 30 | 11-3161-0826 | Nut, 1/2-13UNC-2B |
| 31 | 11-3161-0827 | Spraying pump |
| 32 | 11-3161-0828 | Ball valve, 1-11 1/2NPSC |
| 33 | 11-3161-0817-00 | Support |
Field Fault Repair Cases
Case 1: V-Belt Slippage & Loss of Flushing Pressure
Fault Symptom: Reduced cooling water flow, insufficient liner cooling, and overheating of the mud pump fluid end, with visible belt slippage.
Root Cause: Worn A3708 V-belt and loose pulley mounting causing power transfer failure and reduced pump speed.
Repair Solution: Replace the worn V-belt, adjust pulley tension, and tighten mounting bolts. Full flushing pressure was restored, and liner temperatures returned to normal.
Case 2: Hose Joint Leakage & Water Loss
Fault Symptom: Persistent water leakage at hose joints, leading to insufficient liner cooling and wet debris buildup around the pump assembly.
Root Cause: Damaged hose joints and worn sealing washers breaking the water circuit seal.
Repair Solution: Replace the faulty hose joints and sealing washers, secure pipe clamps, and pressure-test the circuit. Leakage was fully eliminated, and consistent water flow resumed.
Case 3: Spray Pump Mount Failure
Fault Symptom: Excessive vibration of the wash pump, misaligned pulleys, and cracked support brackets, causing system shutdown.
Root Cause: Loose mounting bolts and damaged support brackets failing to secure the pump under rig vibration.
Repair Solution: Replace the damaged support assembly, install new high-strength bolts and lock washers, and realign the pump and pulley. Vibration was reduced by 70%, and the pump operated stably.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these liner wash pump parts compatible with both HHF-1600 and HHF-1300 mud pumps? | Yes, all wash pump components are engineered to OEM specifications for full cross-compatibility with HHF-1600 and HHF-1300 mud pump liner cooling systems. |
| Do the V-belts and pulleys come pre-sized for direct installation? | Absolutely, the A3708 V-belts and matched belt pulleys are precision-sized for direct fitment, requiring no modifications for proper alignment and tensioning. |
| Can I purchase individual fittings or fasteners instead of the full assembly kit? | Yes, every component (hoses, joints, bolts, belts, guards) is available for separate purchase with matching OEM part numbers for targeted repairs and partial replacements. |
Procurement Guidance
Investing in theseHonghua HHF-1600 mud pump liner wash pump assembly parts ensures reliable liner cooling, minimizes abrasive wear, and extends the service life of critical fluid end components, drastically reducing unplanned downtime and long-term maintenance costs. Each part undergoes strict leak testing, wear resistance testing, and fit verification to meet API 7K drilling standards, delivering OEM-equivalent performance and durability in the harshest drilling conditions.