COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S323
1. Check the Fuel System (Remaining Fuel Quantity and
Properties)
1. Check the amount of fuel remaining in the tank.
2. Check properties of fuel. Request fuel analysis from a third party
as necessary.
• Color (no color, brownish, white turbidit).
• Odor (kerosene, heavy oil, irritating odor).
• Separation of materials (water, foreign objects).
• Viscosity (high / low viscosity, wax consistency).
• Always use the specified fuel.
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2. Check the Inside of the Tank (Checking for Tank Modification
/ Additions, Position of Fuel Pipe Inlet / Outlet, Clogging and
Holes)
1. Check the tank for modifications or additions. Consult with the
customer.
• Fuel inlet / outlet position, tank piping.
• Foreign material inside the tank, water separation, rust.
• Use resin tanks when making tank additions.
2. Check the tank internal fuel piping for the following.
• Inlet / outlet position (below position "Empty").
• Inlet clogging, whether there is bent or deformed piping
(crushed pipe).
• Crushing at pipe connections.
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3. Tank External Fuel Path Conditions (Crushed Hose,
Clogging, Air Introduction at Hose Connection)
1. Check the condition of the hose.
• Crushing around bands, over bending.
• Pinched or crushed by other parts.
2. Check the connection (air introduction).
• Looseness.
• Hose deterioration (verify that there is no rubber hardening /
splitting by hand or visually).
• Be cautious when vacuum pressure is present, as air will
be drawn into the hose.
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OK Go to "2. Check the Inside of the Tank (Checking for Tank Modification /
Additions, Position of Fuel Pipe Inlet / Outlet, Clogging and Holes)".
NG Add fuel or change fuel (clean tank).
OK Go to "3. Tank External Fuel Path Conditions (Crushed Hose, Clogging,
Air Introduction at Hose Connection)".
NG Restore the fuel tank.
OK Go to "4. Check the Water Separator".
NG Replace the hose.
(1) Fuel Hose
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