Spicer Lubrication Manual - July 2012 - Manual (Page 5)

General Information
Warnings and Cautions
Before working on a vehicle, place transmission in neutral, set brakes, and block wheels.
When switching between types of lubricants, all areas of each affected component must be thouroughly drained.
Do not introduce additives and friction modifiers.
Do not mix lubricants of different grades.
Do not mix mineral and synthetic lubricants.
Do not mix heavy-duty, multi-purpose lithium based (#2 grade) grease with sodium- based grease.
Vehicle Application Definitions
Line Haul (On-highway)
• High mileage operation (over 60,000 miles [96,500 Km] per year).
• On-highway or good to excellent concrete or asphalt.
• More than 30 miles [48 Km] between starting and stopping.
• 4x2, 6x2, 6x4 tractor/trailer combinations and straight trucks.
• Check fluid levels and inspect for leaks at regular PM maintenance intervals, not to exceed 12,000 miles.
Vocational
• Low mileage operation (under 60,000 miles [96,500 Km] per year).
• Off-highway or areas of unstable or loose unimproved road surfaces.
• Less than 30 miles [48 Km] between starting and stopping.
• Heavy-Duty, off-road or specialized application type vehicles.
• Check fluid levels and inspect for leaks every 50 hours.
Severe Duty Service
• Consistent operation at or near maximum GCW or GVW ratings.
• Dirty or wet environments.
• Consistent operation on grades greater than 8%.
WARNING
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