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00 INDEX AND FOREWORD
Fuel system
Check that there is no damage on the pipings, no looseness on mounting bolts, nuts and clamps, and no fuel
leak from connecting portion.
If there is any looseness, damage, or fuel leak, retighten or repair the part.
Check the exhaust equipment and its installation portion for looseness and damage.
REMARK
When an equipment is described as an exhaust equipment, it is one of the followings. (The applications or com-
ponents of equipment are different depending on its models or specifications.)
• KDPF
• AdBlue/DEF mixing tube
• SCR assembly
• KDOC muffler
• Muffler
• Exhaust pipe
• Parts which connects the above, or etc.
Visually check that there is no crack or no damage on the exhaust equipment and its installation portion. If there
is any damage, replace the part.
Check that there is no looseness on the exhaust equipment and mounting bolts, nuts, and clamps on the instal-
lation portion.
If there is any looseness, retighten the part.
Check of function of muffler in exhaust system
REMARK
When an equipment is described as an muffler in exhaust system, it is one of the followings. (The applications
or components of equipment are different depending on its models or specifications.)
• KDPF
• AdBlue/DEF mixing tube
• SCR assembly
• KDOC muffler
• Muffler
• Exhaust pipe
• Parts which connects the above, or etc.
Check that there is no unusual noise by comparing to it of the time when the machine was new.
If there is any unusual noise, repair KDPF or muffler, referring to "TROUBLESHOOTING" and "DISASSEMBLY
AND ASSEMBLY".
D51EXI-24, D51PXI-24
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIP-
INGS
00-51
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