User Manual

Every 15,000 mi / 24,000 km / 12 mo
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Air Intake - Pre-cleaner Filter Assembly
• Clean Pre-cleaner filter media. (Refer to How to Clean the Pre-cleaner Filter
on page 247.)
Frame - Crossmembers and Mounting Brackets
• Inspect for cracks and loose fasteners. Replace or tighten to the specified torque value as required. (Refer to Frame Fastener
Torque Requirements on page 280 for maintenance instructions.)
Front Axle (Meritor) - Steering knuckle spindles, thrust bearings, kingpins, drawkeys, tie rod ends, steering stops, and bushings
• Inspect for wear and damage and endplay. Shim or replace as required. (Refer to Steering System on page 264 for
maintenance instructions.)
Front Axle (Meritor) - Kingpin bushings, thrust bearings, and tie rod ball ends
• Lubricate with approved grease. (Refer to Meritor Axle Lubrication on page 201 for maintenance instructions.)
Front Axle (Meritor) - Drawkeys
• Tighten nuts. (Refer to Steering System on page 264 for maintenance instructions.)
Front Axle (Dana) - Kingpin bushings, thrust bearings, and tie rod ball ends (ON HIGHWAY)
• Lubricate with approved grease. (Refer to Eaton/Dana Axle Lubrication on page 202 for maintenance instructions.)
Front Axle (Dana) - Kingpin bushings, thrust bearings, and tie rod ball ends (OFF HIGHWAY)
• Lubricate with approved grease. (Refer to Eaton/Dana Axle Lubrication on page 202 for maintenance instructions.)
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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) 185
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