8-12
SECTION 8 –
MAINTENANCE AND STORAGE
NOTE: Cummins
®
recommends specific
high performance fuel filters, which
will aid in achieving optimum engine
performance and efficiency. Refer to
the engine manufacturer’s operation
manual for further information and
specifications.
Diesel Exhaust Fluid (DEF)
Supply Module Filter
(Tier 4 Final Engines)
The DEF Supply Module Filter (located
near the bottom of the DEF Supply Module)
should be replaced every 4,500 hours of
operation or every three (3) years, whichever
occurs first.
Refer to the engine manufacturer’s
operation manual for further information.
Hydraulic Filters
(Refer to your Parts Manual for specific
location and replacement part numbers)
Remove and replace hydraulic filters
every 500 hours of operation or yearly,
whichever occurs first.
•
Return Filter
•
Pressure Filter
•
Charge Pump Filter
•
Case Drain Filter
•
Breather Cap
Replacing Hydraulic Filters
Return Filter
NOTE: Replace Return Filter when the filter
indicator indicates that replacement
is needed, becomes tripped, or after
500 hours of operation, whichever
occurs first.
1. Remove the four (4) bolts on top of the
Return Filter Housing (located on the
left-hand side of machine near hydraulic
oil reservoir) and set aside.
Primary and Secondary Fuel Filters
(Located along left-hand side of
machine - open hood to access)
-Typical View
• Primary
Fuel Filter
(Water
Separator)
• Secondary
Fuel Filter
DEF Supply Module Filter
(Located near the bottom
of the DEF Supply Module)
-Typical View
Summary of Contents for STS12i Combo
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