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SITRAK C7H HOHAN T7H HOWO MAN ENGINE MC11/MC13 engine water pump assembly DAYCO DP2754
This model is the standard version; the corresponding upgraded version is DAYCODP2775K
Function
1. Coolant Circulation: The antifreeze coolant (typically 50% ethylene glycol + 50% water) circulates within the engine, absorbing the high heat generated by combustion.
2. Temperature Regulation: It maintains the engine within its optimal operating temperature range (usually 85℃-95℃), preventing power loss, component wear, or serious damage due to overheating.
3. Cooling Efficiency: The coolant is transported to the radiator via centrifugal force to dissipate heat.
DETAILS
| DESCRIPTION | water pump assembly | PART NUMBER | DAYCO DP2754 |
| WEIGHT | 40KG | VOLUME |
Diameter 35cm Length 70cm |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | COUNTRY OF ORIGIN | CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | engine |
Key parameters and precautions
| Parameter | Description | Remarks |
| Flow rate | 70 - 90 L/min | Flow rate range of Sinotruk MAN MC11/MC13 engine water pump |
| Compatible Engines | Sinotruk MAN MC11 / MC13 | These two series of engines use the same water pump assembly |
| Connection Method | Connected to the engine via a flange | Typically connected to the engine's crankcase flange |
| Sealing element | Uses O-ring seal | The O-ring should be checked for aging during installation |
Installation and maintenance suggestions
1. Replacement timing: The water pump needs to be inspected and replaced immediately if the engine experiences abnormally high coolant temperature (the coolant temperature gauge exceeds 90℃) or if there is a coolant leak.
2. Installation points:
During installation, it is recommended to replace the O-ring to prevent oil or coolant leakage at the bearing.
Ensure that the water pump shaft is aligned with the engine crankshaft during installation to avoid abnormal axial forces.
3. Common Troubleshooting
Check the pump casing, seals, and connections of the inlet and outlet pipes.
If the pump makes unusual noises during operation, it may be due to worn bearings or an obstruction inside the pump body.
If the pump speed is abnormal, check the drive belt (if applicable) or the motor for proper functioning.
Material
1. Pump Housing: Gray cast iron / Ductile cast iron
Cast iron has extremely high compressive strength and wear resistance, and can withstand the high-pressure water flow generated by the engine cooling system, making it the main material for engine water pumps.
2. Impeller: Stainless Steel
Stainless steel material offers excellent corrosion resistance and high-temperature resistance, effectively preventing the coolant (containing anti-corrosion agents) from corroding the impeller and preventing rust.
Safety & Technical Performance
1.Corrosion Resistance: The use of stainless steel impellers resists corrosive ions in the antifreeze, preventing rust and corrosion of the impeller.
2. Wear Resistance: The combination of a cast iron pump casing and a stainless steel impeller ensures stability during long-term high-speed operation and withstands wear from fine particles in the coolant.
3. High Temperature Resistance: Designed to operate in high-temperature environments, it can withstand the high-temperature coolant of the engine cooling system (typically around 90℃-110℃) without deformation.
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