Every 15,000 mi / 24,000 km / 12 mo
20
Front Suspension - U-bolts (ON HIGHWAY)
•
Check the general condition and the tightness of the nuts. Tighten the nuts to the specified torque value as required. (Refer to
Suspension U-Bolts, Grade 8 on page 282 for maintenance instructions.)
Front Suspension - U-bolts (OFF HIGHWAY)
• Check the general condition and the tightness of the nuts. Tighten the U-bolts after the first day or two of operation. Then tighten
the nuts to the specified torque value as required. (Refer to Suspension U-Bolts, Grade 8 on page 282 for maintenance
instructions.)
Drive Axle (Dana) - Axle Housing
• Visually inspect for damage or leaks. (Refer to Drive Axle - Dana on page 263.)
• Check oil level. Check "cold." Torque the drain plug. (Refer to Drive Axle - Dana on page 263.)
Drive Axle (Dana) - Air Shift Unit
• Check the lubricant level. (Refer to Drive Axle - Dana on page 263.)
• Remove the housing cover and drain the lubricant. Wash the parts thoroughly and dry in air. (Refer to Drive Axle - Dana on
page 263.)
Drive Axle (Dana) - Breather
• Clean or replace. (Refer to Drive Axle - Dana on page 263.)
Drive Axle (Dana) - Lube Pump (ON HIGHWAY)
• Remove the magnetic strainer and inspect for wear particles. Wash in solvent and dry in air. (Refer to Drive Axle - Dana on
page 263.)
20
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
MAINTENANCE - Preventive Maintenance Intervals
those listed here.
Y53-6113-1A1 (11/20) 187
5
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