PREVENTIVE MAINTENANCE SCHEDULE PART 8: MAINTENANCE AND SERVICE
– 170 – Y53-6032 (R05/10)
• Change the lubricant filter every 120,000 miles
(192,000 km). Top off the lubricant level with a similar
lubricant.
Eaton/Dana Axle Lubrication
• The original mineral-based lubricant must be drained
within 3000-5000 miles (4800-8000 km) on all Eaton
axles. This initial change is very important because it
flushes out break-in contaminants that might other-
wise cause premature wear.
• No initial drain is required on Eaton axles that are fac-
tory filled with an Eaton-approved synthetic lubricant.
• Mineral-based lubes must be drained within the first
5000 miles (8000 km) if converting to an Eaton-
approved synthetic lube.
• Change the lubricant within the first 5000 miles (8000
km) of operation after a carrier head replacement,
regardless of the lubricant type.
• Refer to the Eaton Field Maintenance Manual for a
particular axle for lubricant specifications.
• See your Peterbilt dealer for Eaton-approved lubricant
brands.
• Refer to the chart below for lubricant change interval.
Wheel Bearing Lubrication
Oil-lubricated Driven Hubs
Use hypoid oil, A.P.I.-GL-5 SAE 80W-90 or equivalent. A
minimum of 1 quart (921 ml) of oil is required for proper
lubrication of each drive hub. Add oil through the filler hole
in the hub; if none, add oil through the differential filler
hole. (Note: Remember to replace vent plug or threaded
filler plug when done.) Allow time for the oil to seep
Table 9 Eaton/Dana Axle Lubricant Change Intervals
Type of
Lubricant
On-High-
way
Mi.(km)
Maximum
Change
Interval
On/Off
Highway
Severe Ser-
vice Mi.(km)
Maximum
Change
Interval
Mineral-Based 120,000
(192,000)
Yearly 60,000
(96,000)
Yearly
Eaton-Approved
Synthetic
240,000
(384,000)
2 Years 120,000
(192,000)
Yearly
Eaton-Approved
Synthetic in
axle with
extended drain
interval option
360,000
(576,000)
Y53-6032.book Page 170 Monday, May 24, 2010 3:37 PM
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