4
4-17
4st 9.9/15/20 2008
6. Clean and check filter 1 in the carburetor, and replace with
new one if necessary.
4) Inspection of Fuel Pump
1. Remove fuel hoses (2) from fuel pump.
2. Connect vacuum/pressure gauge to inlet of fuel pump.
3. Close fuel pump outlet with a finger and apply specified
pressure. Check if no air leaks.
4. Apply specified vacuum pressure to check that no air leaks.
5. Connect vacuum/pressure gauge to outlet of fuel pump.
6. Apply specified pressure to check if no air leaks. Replace if
necessary.
Specified Pressure :
0.049 MPa (7 psi) [0.5 kgf/cm
2
]
Specified Vacuum Pressure :
-0.029 MPa (-4 psi) [-0.3 kgf/cm
2
]
Specified Pressure :
0.029 MPa (4 psi) [0.3 kgf/cm
2
]
Vacuum/Pressure Gauge :
P/N. 3AC-99020-0
Air-tightness of fuel pump can be increased by
making the interior wet with gasoline.
E_MFS20C_ch04_090105.qxd 09.1.20 5:24 PM ページ 17
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