Pressure Regulator - Honda Motor BF40D Manual Del Usuario

• Fuel Pressure Measurement
WARNING
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when handling fuel.
• Keep heat, sparks and flame away.
• Wipe up spills immediately.
• Handle fuel only outdoors.
1) Relieve the fuel pressure according to "How to Relieve Fuel
Pressure" (P. 5-79).
2) Remove the service check bolt and set the special tool (fuel
pressure gauge set) in the threaded bolt hole.
TOOL:
Fuel pressure gauge set
3) Disconnect the pressure regulator control tube from the
intake manifold, and plug the blind plug into the intake
manifold.
4) Start the engine and measure the fuel pressure at idle.
Standard fuel pressure
(at idle speed: 850 50 rpm)
5) When the fuel pressure is outside the specified standard
pressure, check the following.
When fuel pressure is higher than standard pressure:
• Check the pressure regulator for proper operation
(P. 5-81).
• Check the air vent tube for kinking, collapse or
restrictions.
When fuel pressure is lower than standard pressure:
• Check the pressure regulator for proper operation
(P. 5-81).
• Check the high pressure side fuel pump for proper
operation (P. 5-82).
07406-0040004
280 - 330 kPa
(2.9 - 3.4 kgf/cm ,
2
41 - 48 psi)
BLIND PLUG
475
FUEL PRESSURE GAUGE SET
07406-0040004

PRESSURE REGULATOR

CONTROL TUBE
5-80