John Deere 6068 User Manual
Lubrication and Maintenance
OURGP11,000007E
–19–27JUL06–1/2
Lubrication and Maintenance Service Interval
Chart—Standard Industrial Engines
Chart—Standard Industrial Engines
NOTE: The service intervals below are for standard
industrial engines. See details in Sections which
follow these charts.
follow these charts.
Lubrication and Maintenance Service Intervals
500 Hour/
2000 Hour/
Item
Daily
12 Month
24 Month
As Required
Check Engine Oil and Coolant Level
•
Check Fuel Filter/Water Bowl
•
Check Air Cleaner Dust Unloader Valve & Restriction Indicator
•
Gauge
a
Visual Walk Around Inspection
•
Check Lamps (4045DF/TF270)
•
Service Fire Extinguisher
•
Check Engine Mounts
•
Service Battery
•
Check Manual Belt Tensioner and Belt Wear
•
Change Engine Oil And Replace Oil Filter
b, c
•
Check Crankcase Vent System
•
Check Air Intake Hoses, Connections, & System
•
Replace Fuel Filter Elements
•
Check Automatic Belt Tensioner and Belt Wear
•
Check Engine Electrical Ground Connection
•
Check Cooling System
•
Coolant Solution Analysis-Add SCAs as required
•
Pressure Test Cooling System
•
Check Engine Speeds
•
Check Crankshaft Vibration Damper
(6.8 L Engines)
d
•
Flush and Refill Cooling System
e
•
Test Thermostats
•
Check and Adjust Engine Valve Clearance
•
a
Replace primary air cleaner element when restriction indicator shows a vacuum of 625 mm (25 in.) H2O.
b
During engine break-in, change the oil and filter for the first time before 100 hours of operation.
c
If the recommended engine oils, John Deere PLUS-50
or ACEA-E7, ACEA E6, ACEA E5 or ACEA E4, are not used, the oil and filter
change interval is reduced (see DIESEL ENGINE OIL AND FILTER INTERVALS chart). If diesel fuel with a sulfur content greater than 0.05%
is used, the oil and filter change interval is also reduced. 6-Cylinder engines with oil pan option codes 1907, 1908, and 1909 require the oil to
be changed at every 250 hours or less regardless of oil specification used.
is used, the oil and filter change interval is also reduced. 6-Cylinder engines with oil pan option codes 1907, 1908, and 1909 require the oil to
be changed at every 250 hours or less regardless of oil specification used.
d
Replace crankshaft damper every 4500 hours or 60 months, whichever occurs first.
e
If John Deere COOL-GARD is used, the flushing interval may be extended to 3000 hours or 36 months. If John Deere COOL-GARD is used
and the coolant is tested annually AND additives are replenished as needed by adding a supplemental coolant additive, the flushing interval
may be extended to 5000 hours or 60 months, whichever occurs first.
may be extended to 5000 hours or 60 months, whichever occurs first.
21-2
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PN=129
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