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Maintenance—Machine
KR46761,00013F4 -19-27OCT16-1/1
KR46761,00013F5 -19-26OCT16-1/1
Supplemental Diesel Fuel Additives
Diesel fuel can be the source of performance or other
operational problems for many reasons. Some causes
include poor lubricity, contaminants, low cetane number,
and a variety of properties that cause fuel system
deposits. These and others are referenced in other
sections of this operator's manual.
To optimize engine performance and reliability, closely
follow recommendations on fuel quality, storage, and
handling, which are found elsewhere in this Operator's
Manual.
Fuel Filters
The importance of fuel ltration cannot be overemphasized
with modern fuel systems. The combination of increasingly
restrictive emission regulations and more efcient engines
requires fuel system to operate at much higher pressures.
Higher pressures can only be achieved using fuel injection
components with very close tolerances. These close
manufacturing tolerances have signicantly reduced
capacities for debris and water.
Hitachi brand fuel lters have been designed and
produced specically for Isuzu engines.
To protect the engine from debris and water, always
change engine fuel lters as specied in this manual.
3-1-3
112321
PN=181
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