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FUEL
MANUAL INJECTION PUMP
(E115AMH, E115AWH)
4032
INSPECTING THE BYPASS VALVE
1. Inspect:
• Bypass valve
Cracks/damage → Replace.
2. Inspect:
• Bypass valve operation
Air leaks → Replace.
Inspecting steps
(1) Install the Mity vac onto the bypass
valve as shown.
Mity vac
YB-35956 / 90890-06756
(2) Apply the pressure with the Mity vac.
NOTE:
Make sure no air comes out of the opposite
side of the bypass valve at the "OFF" posi-
tion a.
INSPECTING THE MANUAL
INJECTION PUMP
1. Inspect:
• Manual injection pump
Cracks/damage/leaks → Replace.
2. Inspect:
• Diaphragm operation
• Inlet valve/outlet valve operation
Pressure cannot be maintained and
does not return gradually to the atmo-
spheric pressure → Replace.
4-8
E
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