Parsun F15BM - Throttle Connecting Rod Adjustment; Fuel Joint Removal and Inspection; Fuel Pump Removal and Inspection

THROTTLE CONNECTING ROD ADJUSTMENT
1. Turn throttle accelerograph enforce to full opening position.
Turn carburetor throttle rod to full opening position.
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2
3
１. Throttle accelerograh enforce
２. Carburetor throttle rod
３. Lock screw
2. In full opening position, tighten the throttle rod lock screw.
FUEL JOINT REMOVAL AND INSPECTION
1. Remove the bolts fixing the fuel joint.
2. Remove the fuel joint.
3. Inspect the fuel joint for crack or damage.
4. Connect the fuel joint exit with a vacuum pressure gauge.
5. Check whether the negative pressure can be maintained for over 10 minutes under the prescribed
pressure. Replace if necessary.
Prescribed pressure: 50kPa.
FUEL PUMP REMOVAL AND INSPECTION
1. Remove the bolts fixing the fuel pump.
2. Remove the fuel pump.
3. Connect the fuel pump intake with a vacuum pressure gauge.
4. Block the exit of fuel pump with finger, and force a prescribed positive pressure to check for
leakage.
Prescribed pressure: 50kPa
5. Force a prescribed negative pressure and check for leakage.
Prescribed pressure: 50kPa
6. Connect the fuel pump exit with a vacuum pressure gauge.
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