Peterbilt 520 - Page 176

Every 120,000 mi / 192,000 km / Annually
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Drive Axle (Meritor Line Haul / ON HIGHWAY) - Axle Shaft
•
Tighten the rear axle flange nuts to the specified torque value. (Refer to Drive Axle - Meritor on page 234 for maintenance
instructions.)
Drive Axle (Meritor Line Haul / ON HIGHWAY) - Interaxle Differential
• Check the operation. (Refer to Drive Axle - Meritor on page 234 for maintenance instructions.)
Drive Axle (Meritor City Delivery / OFF HIGHWAY) - Lubricant Filter
• Change the filter. (Refer to Drive Axle - Meritor on page 234 for maintenance instructions.)
Drive Axle (Meritor City Delivery / OFF HIGHWAY) - Input Shaft and Pinion Shaft
• Check and adjust the endplay. (Refer to Drive Axle - Meritor on page 234 for maintenance instructions.)
Drive Axle (Meritor City Delivery / OFF HIGHWAY) - Axle Shaft
• Tighten the rear axle flange nuts to the specified torque value. (Refer to Drive Axle - Meritor on page 234 for maintenance
instructions.)
Drive Axle (Meritor City Delivery / OFF HIGHWAY) - Interaxle Differential
• Check the operation. (Refer to Drive Axle - Meritor on page 234 for maintenance instructions.)
Drive Axle (SISU)
• Drive Axle (SISU) Oil Servicing on page 236
• Drive Axle - SISU Breather and Brakes on page 236
• Drive Axle - SISU Breather and Brakes on page 236
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Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
MAINTENANCE - Every 120,000 mi / 192,000 km / Annually
176 Y53-6096-1C1 (09/20)
5
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