1.  0414401105 Common Rail EUP Pump Technical Support

1.1. 0414401105 Common Rail EUP Pump Part Number Location

• g.: The common rail EUP pump part number location is as follows

1.2. 0414401105 Common Rail EUP Pump Installation Precautions:

(1) The replacement of the common rail EUP pump must strictly follow the electrical system, the approved pressure of the low-pressure fuel intake system, the approved pressure of the high-pressure fuel circuit system, and fuel system replacement consumables requirements (including the low-pressure fuel circuit system filter and the high-pressure fuel circuit) specified in the vehicle engine maintenance manual,

(2) Replacement of wearing parts of the fuel system, cleaning requirements for the connection between the fuel system and the injector, the fitting clearance of the common rail EUP pump connection, the installation angle and tightening torque of the injector, the fitting clearance of the intake system, and the fitting clearance of the exhaust system to ensure the service life of the engine and the normal operation of the injector.

(3) When installing the common rail EUP pump on the engine, it is necessary to clean the engine block, cylinder head and other parts connected to the common rail EUP pump, and ensure that there is no dust, carbon deposits, water, rust spots, etc.

(4) When installing the common rail EUP pump, apply lubricant between the common rail EUP pump, sealing gasket and O-ring.

(5) When installing the common rail EUP pump on the engine, please carefully check the components related to the installation of the common rail EUP pump, such as the common rail EUP pump pressure plate, screw, common rail EUP pump rod and other accessories are not deformed, and install it in strict accordance with the operation steps of the engine maintenance manual.

(6) It is forbidden to operate the bare common rail EUP pump for a long time in an environment with serious dust pollution and corrosion to iron products.

(7) It is forbidden to operate the bare common rail EUP pump for a long time in a strong magnetic field environment.

1.3. Reasons for 0414401105 Common Rail EUP Pump Not Working Normally

(1) There is air in the oil circuit of the engine fuel system.

(2) Vehicle oil pump oil supply system is not normal.

(3) Engine common rail system oil leakage or pressure limiting valve damage.

(4) There is a short circuit, cutting out and poor contact in the wiring harness connected to the common rail EUP pump of the vehicle.

(5) The long-term placement of the common rail EUP pump causes the anti-rust oil to solidify, and the internal components are stuck or the oil holes are blocked.

(6) Before installing, carefully check whether other components in the common rail system except the common rail EUP pump are damaged so as to prevent the common rail EUP pump from not working properly after being replaced.

2. 0414401105 Common Rail EUP Pump Storage Standard

(1) Choose a suitable storage place

The warehouse and cargo yard where the common rail EUP pump is stored should be kept clean and dry, and away from the factory buildings that generate harmful gases and dust; do not mix with acids, alkalis, salts and other substances; the storage place should have a good drainage system; the cargo yard should be flattened with gravel or furnace ash etc. to enhance the water permeability of the surface layer to keep the reservoir area dry.

(2) Strict requirements of warehousing

Strict inspections should be carried out when the common rail EUP pumps are put into storage, the surface cleaning work should be done well to remove water traces, oil stains, ash and other dirt, remove the rust and do anti-rust treatment in time. Packaged injectors must be protected from damage.

(3) Keep the warehouse dry and preventing moisture

The relative humidity is usually below 70% for the common rail EUP pumps placed in the room, and the corrosion of the common rail EUP pumps is significantly reduced.

common rail EUP pump s must be stored in the warehouse, and they are forbidden to store in the same warehouse with commodities with high water content.

(4) Stack Properly

After the common rail EUP pump is exposed to rain, the corrosion rate will increase significantly. The purpose of sealing is to isolate the common rail EUP pump from rainwater and humid air, so the warehouse window should be checked in time to avoid rainwater entering the warehouse

If the common rail EUP pump package is damaged, it should be repaired or replaced; when the package is damp, the packaging material should be dried; if the original anti-corrosion and oil applied at the factory is found to be damaged or dried up, it should be cleaned and re-applied oil in time.

• It is forbidden to leave the common rail EUP pump exposed in the air for a long time.
• It is forbidden to store acid, alkali, salt and other substances together with the common rail EUP pump.
• The unpacked common rail EUP pump must be rust-proof during secondary storage.

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