Kubota V3800-CR-TE4 Diagnosis Manual page 317

V3800-CR-TE4,V3800-CR-TIE4, DM
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.
NOTE
• 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.
OK Go to "3. Tank External Fuel Path Conditions (Crushed Hose, Clogging,
Air Introduction at Hose Connection)".
NG Restore the fuel tank.
(1) Fuel Tank
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).
NOTE
• Be cautious when vacuum pressure is present, as air will
be drawn into the hose.
OK Go to "4. Check the Water Separator".
NG Repair or replace the hose.
(1) Fuel Hose
1-S290
COMMON RAIL SYSTEM
[A] M60 Series
[B] M-GX Series
9Y1200192CRS0938US0
[A] M60 Series
[B] M-GX Series
9Y1200192CRS0939US0
KiSC issued 05, 2012 A