Replacing Fuel Volume Regulator - Yanmar BY Series Service Manual

ELECTRICAL AND ECU

Replacing Fuel Volume Regulator

CAUTION
• ALWAYS be environmentally
responsible.
• Follow the guidelines of the EPA or
other governmental agencies for the
proper disposal of hazardous
materials such as engine oil, diesel
fuel and engine coolant. Consult the
local authorities or reclamation facility.
• NEVER dispose of hazardous
materials irresponsibly by dumping
them into a sewer, on the ground, or
into ground water or waterways.
• Failure to follow these procedures may
seriously harm the environment.
IMPORTANT
When working on the oil, coolant or fuel
circuits you must protect the alternator from
contamination. Cover alternator with
suitable materials. Failure to comply may
result in an alternator failure.
1. Disconnect battery negative (-) cable.
2. Shut off fuel supply valve at fuel tank.
3. Remove intake manifold and cover intake ports
to prevent foreign objects from entering engine.
See Intake Manifold on page 5-70.
4. Thoroughly clean high-pressure fuel pump.
12-32
( 1 )
5. Disconnect electrical connector
(Figure 12-34, (1)).
Immediately cap or plug all openings to
prevent contamination of system.
6. Remove three screws (Figure 12-34, (2)).
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7. Remove fuel volume regulator.
8. Installation is done in the reverse of removal.
Tighten screws to 6.6 N·m (58 in.-lb).
9. Connect battery negative (-) cable.
10. Open fuel supply valve.
11. Bleed fuel system. See Bleeding the Fuel
System on page 6-29.
( 2 )
Figure 12-34
CAUTION
BY Service Manual
Repair
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