854638 Aquamatic drive Volvo.Penta
230A; 230B; 250A, 251A
Aquamatic
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Fuel Pump Compatible with Aprilia Shiver 900 ABS Shiver 750 SL750 Dorsoduro Factory 750 SMV750 856821 898260 854638 898259 2D000364 2D000353
AWXYANGUS The fuel pump has been strictly checked from raw materials to finished products, and the product quality is stable || This fuel pump is easy to install and operate || It is used according to the vehicle type, and the operation is convenient to use || Use good materials, the product is reliable and easy to use, and the use time is long || Stable working pressure can provide stable fuel pressure, ensure the normal operation of fuel injection system, and avoid problems such as engine jitter, power drop or difficult start caused by pressure fluctuation
AWXYANGUS The fuel pump has been strictly checked from raw materials to finished products, and the product quality is stable || This fuel pump is easy to install and operate || It is used according to the vehicle type, and the operation is convenient to use || Use good materials, the product is reliable and easy to use, and the use time is long || Stable working pressure can provide stable fuel pressure, ensure the normal operation of fuel injection system, and avoid problems such as engine jitter, power drop or difficult start caused by pressure fluctuation
Fuel Pump Compatible with Aprilia Shiver 900 ABS Shiver 750 SL750 Dorsoduro Factory 750 SMV750 856821 898260 854638 898259 2D000364 2D000353
WHXIDKAUS The fuel pump has been strictly checked from raw materials to finished products, and the product quality is stable || This fuel pump is easy to install and operate || It is used according to the vehicle type, and the operation is convenient to use || Use good materials, the product is reliable and easy to use, and the use time is long || Stable working pressure can provide stable fuel pressure, ensure the normal operation of fuel injection system, and avoid problems such as engine jitter, power drop or difficult start caused by pressure fluctuation
WHXIDKAUS The fuel pump has been strictly checked from raw materials to finished products, and the product quality is stable || This fuel pump is easy to install and operate || It is used according to the vehicle type, and the operation is convenient to use || Use good materials, the product is reliable and easy to use, and the use time is long || Stable working pressure can provide stable fuel pressure, ensure the normal operation of fuel injection system, and avoid problems such as engine jitter, power drop or difficult start caused by pressure fluctuation
Fuel Pump Compatible With Aprilia Compatible With Shiver 750 SL750 Compatible With Dorsoduro 750 SMV750 Compatible With Shiver 900 ABS 856821 898260 854638 898259 2D000364 2D000353
AWXYANGUS The fuel pump has been strictly checked from raw materials to finished products, and the product quality is stable || This fuel pump is easy to install and operate || It is used according to the vehicle type, and the operation is convenient to use || Use good materials, the product is reliable and easy to use, and the use time is long || Stable working pressure can provide stable fuel pressure, ensure the normal operation of fuel injection system, and avoid problems such as engine jitter, power drop or difficult start caused by pressure fluctuation
AWXYANGUS The fuel pump has been strictly checked from raw materials to finished products, and the product quality is stable || This fuel pump is easy to install and operate || It is used according to the vehicle type, and the operation is convenient to use || Use good materials, the product is reliable and easy to use, and the use time is long || Stable working pressure can provide stable fuel pressure, ensure the normal operation of fuel injection system, and avoid problems such as engine jitter, power drop or difficult start caused by pressure fluctuation
Number on catalog scheme: 1
Compatible models:
230A; 230B; 250A
251A
Volvo.Penta
Volvo Penta entire parts catalog list:
Information:
High Fuel Pressure
Excessive fuel pressure can cause fuel filter gaskets to rupture. The following conditions can cause high fuel pressure:
Plugged orifices in the fuel pressure regulating valve
Stuck fuel pressure regulating valve in the fuel transfer pump
Pinched fuel return lineChecking Fuel Pressure
Table 1
Required Tools
Part Number Part Name Quantity
1U-5470
or
198-4240 Engine Pressure Group
or
Digital Pressure Indicator 1
Illustration 1 g00293196
1U-5470 Engine Pressure Group
Refer to Special Instruction, SEHS8907, "Using The 1U-5470 Engine Pressure Group" for more information.
Illustration 2 g02561516When using the 198-4240 Pressure Indicator Tool Group, refer to Operating Manual, NEHS0818, "Using the 198-4240 Pressure Indicator Tool Group" for more information.
Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. Clean up fuel spills immediately.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Use the following procedure in order to measure the fuel pressure that is after the secondary filter: Note: Fuel pressure readings near the fuel supply manifold have pressure spikes. The pressure spikes are caused by excess fuel that is returning to the fuel system from the injectors. Excessive needle movement at the gauge may be present. Connect the gauge with a section of suitable hose. The air in the hose absorbs the spikes. This action achieves an average reading and a steady needle. Keep the gauge above the measuring point.
Illustration 3 g02324296
Standard secondary fuel filter base
(1) Input fuel line from transfer pump
(2) Output fuel line to head
(3) Test port
Install the 1U-5470 Engine Pressure Group into test port (3). This port is the proper test port.
If excessive pressure is found, check the conditions that are listed previously under the "High Fuel Pressure" heading.
Use the following procedure to check the fuel pressure if the engine will not start or if hard starting is a problem:
Crank the engine and check the fuel pressure after the secondary fuel filter. Refer to Step 1
The fuel pressure should be 50 kPa (7 psi) minimum at 120 to 180 rpm. Record the pressure.
Use the following procedure to check the fuel pressure if there are other problems:
Adjust the engine speed between low idle and high idle with no load. Refer to Engine Technical Marketing Information - TMI Web, "Test Spec".
Check the fuel pressure after the secondary fuel filter. Refer to Step 1.
The fuel pressure should be within the range specified between low and high idle. Refer to Engine Technical Marketing Information - TMI Web, "Test Spec". Record the pressure.
Illustration 4 g02825937
(4) Fuel pressure regulating valve
(5) Return line from the cylinder head (Input)
(6) Check valve
(7) Return to tank (output)
Use the following procedure to inspect the return pressure regulating valve to the fuel tank:
Return fuel pressure regulating valve (4) is located above the ECM.
Inspect return fuel pressure regulating valve (4).
The return fuel pressure regulating valve may be stuck or worn. Remove the check valve (6). Inspect the check valve. If contamination is not found and the fuel pressure regulating valve is worn out, then replace the fuel pressure regulating valve. If dirt is found, clean the check valve assembly and reinstall the check valve assembly.
Excessive fuel pressure can cause fuel filter gaskets to rupture. The following conditions can cause high fuel pressure:
Plugged orifices in the fuel pressure regulating valve
Stuck fuel pressure regulating valve in the fuel transfer pump
Pinched fuel return lineChecking Fuel Pressure
Table 1
Required Tools
Part Number Part Name Quantity
1U-5470
or
198-4240 Engine Pressure Group
or
Digital Pressure Indicator 1
Illustration 1 g00293196
1U-5470 Engine Pressure Group
Refer to Special Instruction, SEHS8907, "Using The 1U-5470 Engine Pressure Group" for more information.
Illustration 2 g02561516When using the 198-4240 Pressure Indicator Tool Group, refer to Operating Manual, NEHS0818, "Using the 198-4240 Pressure Indicator Tool Group" for more information.
Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. Clean up fuel spills immediately.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Use the following procedure in order to measure the fuel pressure that is after the secondary filter: Note: Fuel pressure readings near the fuel supply manifold have pressure spikes. The pressure spikes are caused by excess fuel that is returning to the fuel system from the injectors. Excessive needle movement at the gauge may be present. Connect the gauge with a section of suitable hose. The air in the hose absorbs the spikes. This action achieves an average reading and a steady needle. Keep the gauge above the measuring point.
Illustration 3 g02324296
Standard secondary fuel filter base
(1) Input fuel line from transfer pump
(2) Output fuel line to head
(3) Test port
Install the 1U-5470 Engine Pressure Group into test port (3). This port is the proper test port.
If excessive pressure is found, check the conditions that are listed previously under the "High Fuel Pressure" heading.
Use the following procedure to check the fuel pressure if the engine will not start or if hard starting is a problem:
Crank the engine and check the fuel pressure after the secondary fuel filter. Refer to Step 1
The fuel pressure should be 50 kPa (7 psi) minimum at 120 to 180 rpm. Record the pressure.
Use the following procedure to check the fuel pressure if there are other problems:
Adjust the engine speed between low idle and high idle with no load. Refer to Engine Technical Marketing Information - TMI Web, "Test Spec".
Check the fuel pressure after the secondary fuel filter. Refer to Step 1.
The fuel pressure should be within the range specified between low and high idle. Refer to Engine Technical Marketing Information - TMI Web, "Test Spec". Record the pressure.
Illustration 4 g02825937
(4) Fuel pressure regulating valve
(5) Return line from the cylinder head (Input)
(6) Check valve
(7) Return to tank (output)
Use the following procedure to inspect the return pressure regulating valve to the fuel tank:
Return fuel pressure regulating valve (4) is located above the ECM.
Inspect return fuel pressure regulating valve (4).
The return fuel pressure regulating valve may be stuck or worn. Remove the check valve (6). Inspect the check valve. If contamination is not found and the fuel pressure regulating valve is worn out, then replace the fuel pressure regulating valve. If dirt is found, clean the check valve assembly and reinstall the check valve assembly.
Parts aquamatic Volvo Penta:
3803150
3803538