Spicer Single Drive Axles Service Manual: S170, S190, S590 - Manual (Page 59)

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Lubrication
Lubrication
Lube Change Intervals
This product combines the latest manufacturing and part
washing technology.
When filled with an Spicer approved
synthetic lubricant at the factory, the initial drain is not
required.
Change the lubricant within the first 5,000 miles of operation
when not using a Spicer approved synthetic lubricant
in either a new axle or after a carrier head replacement.
Base subsequent lubricant changes on a combination of
the following chart and user assessment of the application
and operating environment.
Severe Service Lubrication Change Intervals – Severe service
applications are those where the vehicle consistently
operates at or near its maximum GCW or GVW ratings, dusty
or wet environments, or consistent operation on grades
greater than 8%. For these applications, the ON/OFF HIGHWAY
portion of the chart should be used. Typical applications
are construction, logging, mining and refuse removal.
Note: Clean metallic particles from the magnetic filler plug
and drain plugs. Clean or replace the breather yearly to
avoid lube contamination due to water ingestion.
* Axles using LMS wheel end system
** Axles using adjustable wheel bearing system
For additional lubrication information, see TCMT-0021.
Synthetic or Lubricant SAE Change Interval for Line Haul Change Interval for Vocational
Mineral
Synthetic* SHAES-256 SAE 75W-90 500,000 miles (800,000 Km) 120,000 miles (193,000 Km)
or 5 years or 1year
Synthetic** SHAES-256 SAE 75W-90, 250,000 miles (400,000 Km) 60,000 miles (96,500 Km)
75W-140 or 3 years or 1 year
Mineral MIL-L-2105E/J02360, 75W, 75W-90, 120,000 miles (193,000 Km) 60,000 miles (96,500 Km)
Base API GL-5 Gear Oil, 75W-140, 80W- or 1 year or 1 year
MIL-PRF-2105E 90, 85W-140