28441-ZV7-003 SPRING, FRICTION (Honda Code 4432696). Honda
BF25A1 LHA, BF25A1 SHA, BF25A2 LHA, BF25A2 SHA, BF25A3 LHA, BF25A3 SHA, BF25AW LHA, BF25AW SHA, BF25AX LHA, BF25AX SHA, BF25AY LHA, BF25AY SHA, BF25D4 LHA, BF25D4 SHA, BF25D5 LHA, BF25D5 SHA, BF25D6 LHA, BF25D6 SHA, BF25DK0 LHA, BF25DK0 SHA, BF30A1 L
SPRING
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Compatible models:
BF25A1 LHA
BF25A1 SHA
BF25A2 LHA
BF25A2 SHA
BF25A3 LHA
BF25A3 SHA
BF25AW LHA
BF25AW SHA
BF25AX LHA
BF25AX SHA
BF25AY LHA
BF25AY SHA
BF25D4 LHA
BF25D4 SHA
BF25D5 LHA
BF25D5 SHA
BF25D6 LHA
BF25D6 SHA
BF25DK0 LHA
BF25DK0 SHA
BF30A1 LHA
BF30A1 SHA
BF30A2 LHA
BF30A2 SHA
BF30A3 LHA
BF30A3 SHA
BF30AW LHA
BF30AW SHA
BF30AX LHA
BF30AX SHA
BF30AY LHA
BF30AY SHA
BF30D4 LHA
BF30D5 LHA
BF30D6 LHA
BF30DK0 LHA
Honda
Honda entire parts catalog list:
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- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
- RECOIL STARTER » 28441-ZV7-003
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Information:
Adjusting the Positive Pressure Regulator
Table 2
Parameter    Value    
Supply Natural Gas Pressure     83 to 172 kPag (12 to 25 psig)    
Supply Propane Gas Pressure    
69 to 145 kPag (10 to 21 psig)    
Table 3
Gas Pressure Calculation Formulas    
Parameter     Formula    
Supply Natural Gas Pressure     Fuel Supply Pressure = (46 - 29.92 + (altitude [feet] x .001)) x .4912 + 5 (1)    
Supply Propane Gas Pressure     Fuel Supply Pressure (FSP, psig) = (46-29.92 + (altitude [feet] x .001)) x .4912 + 1 (1)    
( 1 ) Altitude is required from the customerNatural Gas Positive Pressure Regulator
Turn the gas supply to the natural gas pressure regulator off.
Illustration 1 g03605338
(1) Low-pressure side port (2) High-pressure side port
Connect 1U-5470 Engine Pressure Gp or 198-4240 Digital Pressure Indicator Gp to the engine.
Connect the "High Pressure Side" of the gauge to the outlet port of the engine regulator upstream of the electronic fuel control valve.
Connect the "Low Pressure Side" of the gauge to the tee fitting of the balance line on the regulator as shown in Illustration 1.
Install the 8T-5160 Gas Regulator Setting Tool if necessary.
Turn the gas supply pressure back on. Start the engine and operate at rated speed and no load.
Note the pressure differential on the pressure gauge. Compare the measured value to the value obtained previously in the Special Instructions, "Calculate the Engine Pressure Regulator Differential (dP)" section. If the values match, proceed to Step 9. If the values are different while using the 8T-5160 Gas Regulator Setting Tool , proceed to Step 6. If the values are different and the 8T-5160 Gas Regulator Setting Tool is not being utilized, proceed to Step 7.
Use the 8T-5160 Gas Regulator Setting Tool to adjust the regulator spring pre-tension until the measured and calculated differential pressure match. Proceed to Step 9 after the values match each other.
Shut down the engine and turn off the gas supply pressure.
Remove the cap from the engine mounted gas pressure regulator.
Adjust the regulator by adjusting the nut and/or screw with a screwdriver or similar tool.
Replace the cap.
Turn on the gas supply pressure. Start the engine and operate at rated speed with no load.
Compare the differential pressure reading with the calculated differential pressure.
If the values match, proceed to Step 9. If the values do not match, repeat Step 7 to Step 8.ReferenceRefer to Testing and Adjusting, KENR6870, "Gas Pressure - Check and Adjust" for more information on adjust the regulator.
Replace the cap.
Stop the engine. Turn the gas supply to the regulator off.
Remove the lines for the differential pressure gauge and install the plugs back into the high and low side pressure locations.
Turn on the gas supply pressure and restart the engine.Propane Positive Pressure Regulator
Illustration 2 g03605476
(1) Point A (2) Balance lines kept separate (3) Natural gas emission Adjustment screw (4) Balance line 1/2 inch diameter (5) Propane gas emission adjustment screw (6) Propane gas regulator (7) Solenoid valve (8) Vaporized propane gas (High BTU gas) (9) Manual shutoff valve or Solenoid valve and Pressure switch (10) Natural gas (Low BTU gas) (11) Pressure switch (12) Natural gas regulator (13) Fuel actuator (14) Carburetor (15) 5.5 inch 5 inch H2O differential here to Point A (16) 1.5-3.0 in H2O negative differential from here to Point A
Ensure that the gas supply to the propane gas pressure regulator is turned off.
Illustration 3 g03606576
(1) Low-pressure side port (2) High-pressure side port
Connect 1U-5470 Engine Pressure Gp or 198-4240 Digital Pressure Indicator Gp to the engine.
Connect the "Low Pressure Side " of the gauge to the port at the outlet of the propane regulator. The port should be upstream of the electronic fuel control valve and the propane emission adjustment screw as shown in Illustration 3.
Connect the "High Pressure Side " of the gauge to the tee fitting by the balance line on the propane regulator as shown in Illustration 3.
Install the 8T-5160 Gas Regulator Setting Tool if necessary.
Turn the gas supply pressure back on. Start the engine and operate at rated speed and no load.
Note the pressure differential reading. The reading should be in the range of 1.5-3.0 inches in H2O.
If the values match proceed to Step 9.
If the values do not match while using the 8T-5160 Gas Regulator Setting Tool , proceed to Step 6. If the values do not match while not using the 8T-5160 Gas Regulator Setting Tool , proceed to Step 7.
Use the 8T-5160 Gas Regulator Setting Tool to adjust the regulator spring pre-tension until the measured and calculated differential pressures match. Once the pressures match, proceed to Step 9.
Shut down the engine and turn off the gas supply pressure.
Remove the cap from the engine mounted gas pressure regulator.
Adjust the regulator with the nut/screw with a screwdriver or similar tool.
Replace the cap.
Turn on the gas supply pressure. Start the engine and operate at rated speed with no load.
Check the measured differential pressure. If the reading is between 1.5-3.0 inches H
Table 2
Parameter    Value    
Supply Natural Gas Pressure     83 to 172 kPag (12 to 25 psig)    
Supply Propane Gas Pressure    
69 to 145 kPag (10 to 21 psig)    
Table 3
Gas Pressure Calculation Formulas    
Parameter     Formula    
Supply Natural Gas Pressure     Fuel Supply Pressure = (46 - 29.92 + (altitude [feet] x .001)) x .4912 + 5 (1)    
Supply Propane Gas Pressure     Fuel Supply Pressure (FSP, psig) = (46-29.92 + (altitude [feet] x .001)) x .4912 + 1 (1)    
( 1 ) Altitude is required from the customerNatural Gas Positive Pressure Regulator
Turn the gas supply to the natural gas pressure regulator off.
Illustration 1 g03605338
(1) Low-pressure side port (2) High-pressure side port
Connect 1U-5470 Engine Pressure Gp or 198-4240 Digital Pressure Indicator Gp to the engine.
Connect the "High Pressure Side" of the gauge to the outlet port of the engine regulator upstream of the electronic fuel control valve.
Connect the "Low Pressure Side" of the gauge to the tee fitting of the balance line on the regulator as shown in Illustration 1.
Install the 8T-5160 Gas Regulator Setting Tool if necessary.
Turn the gas supply pressure back on. Start the engine and operate at rated speed and no load.
Note the pressure differential on the pressure gauge. Compare the measured value to the value obtained previously in the Special Instructions, "Calculate the Engine Pressure Regulator Differential (dP)" section. If the values match, proceed to Step 9. If the values are different while using the 8T-5160 Gas Regulator Setting Tool , proceed to Step 6. If the values are different and the 8T-5160 Gas Regulator Setting Tool is not being utilized, proceed to Step 7.
Use the 8T-5160 Gas Regulator Setting Tool to adjust the regulator spring pre-tension until the measured and calculated differential pressure match. Proceed to Step 9 after the values match each other.
Shut down the engine and turn off the gas supply pressure.
Remove the cap from the engine mounted gas pressure regulator.
Adjust the regulator by adjusting the nut and/or screw with a screwdriver or similar tool.
Replace the cap.
Turn on the gas supply pressure. Start the engine and operate at rated speed with no load.
Compare the differential pressure reading with the calculated differential pressure.
If the values match, proceed to Step 9. If the values do not match, repeat Step 7 to Step 8.ReferenceRefer to Testing and Adjusting, KENR6870, "Gas Pressure - Check and Adjust" for more information on adjust the regulator.
Replace the cap.
Stop the engine. Turn the gas supply to the regulator off.
Remove the lines for the differential pressure gauge and install the plugs back into the high and low side pressure locations.
Turn on the gas supply pressure and restart the engine.Propane Positive Pressure Regulator
Illustration 2 g03605476
(1) Point A (2) Balance lines kept separate (3) Natural gas emission Adjustment screw (4) Balance line 1/2 inch diameter (5) Propane gas emission adjustment screw (6) Propane gas regulator (7) Solenoid valve (8) Vaporized propane gas (High BTU gas) (9) Manual shutoff valve or Solenoid valve and Pressure switch (10) Natural gas (Low BTU gas) (11) Pressure switch (12) Natural gas regulator (13) Fuel actuator (14) Carburetor (15) 5.5 inch 5 inch H2O differential here to Point A (16) 1.5-3.0 in H2O negative differential from here to Point A
Ensure that the gas supply to the propane gas pressure regulator is turned off.
Illustration 3 g03606576
(1) Low-pressure side port (2) High-pressure side port
Connect 1U-5470 Engine Pressure Gp or 198-4240 Digital Pressure Indicator Gp to the engine.
Connect the "Low Pressure Side " of the gauge to the port at the outlet of the propane regulator. The port should be upstream of the electronic fuel control valve and the propane emission adjustment screw as shown in Illustration 3.
Connect the "High Pressure Side " of the gauge to the tee fitting by the balance line on the propane regulator as shown in Illustration 3.
Install the 8T-5160 Gas Regulator Setting Tool if necessary.
Turn the gas supply pressure back on. Start the engine and operate at rated speed and no load.
Note the pressure differential reading. The reading should be in the range of 1.5-3.0 inches in H2O.
If the values match proceed to Step 9.
If the values do not match while using the 8T-5160 Gas Regulator Setting Tool , proceed to Step 6. If the values do not match while not using the 8T-5160 Gas Regulator Setting Tool , proceed to Step 7.
Use the 8T-5160 Gas Regulator Setting Tool to adjust the regulator spring pre-tension until the measured and calculated differential pressures match. Once the pressures match, proceed to Step 9.
Shut down the engine and turn off the gas supply pressure.
Remove the cap from the engine mounted gas pressure regulator.
Adjust the regulator with the nut/screw with a screwdriver or similar tool.
Replace the cap.
Turn on the gas supply pressure. Start the engine and operate at rated speed with no load.
Check the measured differential pressure. If the reading is between 1.5-3.0 inches H
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28442-ZV7-003 SPRING, RECOIL STARTER (Honda Code 4432704).
BF25A1 LHA, BF25A1 SHA, BF25A2 LHA, BF25A2 SHA, BF25A3 LHA, BF25A3 SHA, BF25AW LHA, BF25AW SHA, BF25AX LHA, BF25AX SHA, BF25AY LHA, BF25AY SHA, BF25D4 LHA, BF25D4 SHA, BF25D5 LHA, BF25D5 SHA, BF25D6 LHA, BF25D6 SHA, BF25DK0 LHA, BF25DK0 SHA, BF30A1 L
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BF15D3 LHA, BF15D3 LHSA, BF15D3 LRA, BF15D3 XHA, BF15D4 LHA, BF15D4 LHSA, BF15D4 LRA, BF15D4 XHA, BF15D5 LHA, BF15D5 LHSA, BF15D5 LRA, BF15D5 SHA, BF15D5 SHSA, BF15D5 XHA, BF15D6 LHA, BF15D6 LHSA, BF15D6 LRA, BF15D6 SHA, BF15D6 SHSA, BF15D6 XHA, BF15
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BF25A1 LHA, BF25A1 LHSA, BF25A1 LRSA, BF25A1 SHA, BF25A1 SHSA, BF25A1 SRSA, BF25A1 XRSA, BF25A2 LHA, BF25A2 LHSA, BF25A2 LRSA, BF25A2 SHA, BF25A2 SHSA, BF25A2 SRSA, BF25A2 XRSA, BF25A3 LHA, BF25A3 LHSA, BF25A3 LRSA, BF25A3 SHA, BF25A3 SHSA, BF25A3 SR