G-20
WG972-E2, DF972-E2, WSM
G GENERAL
Checking Primary Chamber (Vaporizer for LPG Fuel)
■
•When checking the fuel system after completely consuming
the fuel in piping.
•Treat a seal tape or liquid gasket when install each
connector.
1. Run the engine until is warmed up.
2. The shut off valve is shut and the engine is stopped naturally.
3. Disconnect the plug (1).
4. Set the pressure gauge (2).
5. The shut off valve is opened and the engine is started, and check
the pressure.
6. If the pressure is not within the factory specification, replace the
vaporizer.
W1024942
Checking Air Tight of Secondary Chamber (Vaporizer for LPG
Fuel)
1. Disconnect the vapor hose (1) on the mixer side.
2. Breath is blown lightly or compressed air (9.8 kPa, 0.1 kgf/cm
2
1.4 psi).
3. It is confirmed that the air does not leak.
4. If there is a leakage, replace the vaporizer.
W10412390
Checking Vacuum Lock System
1. After warming up, and set the low idling speed.
5. Disconnect the vacuum lock hose (1), and close the joint
manifold by finger.
6. Confirm the thing that the engine stops.
W10413080
Pressure Factory spec.
30.0 to 34.3 MPa
0.30 to 0.35 kgf/cm
2
4.4 to 4.9 psi
(1) Plug (2) Pressure Gauge
(1) Vapor Hose
(1) Vacuum Lock Hose (2) Joint
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