© 2020 Pierce Manufacturing Inc. All Rights Reserved. Axles, Brakes and Suspension / 6-11
MAINTENANCE
Inspect the entire brake system for the following:
• Air leaks.
• Condition of drums, rotors, brake chambers, and slack adjusters.
• Condition of hoses, fittings, and tubes.
• Proper operation of service, and parking brakes.
6-10.2 Brakes – TAK-4™ Suspension
Front TAK-4™ Suspension
Brake information for front TAK-4™ suspension-equipped chassis can be found in the Pierce Service Manual, group
0251-V-005, Bendix SN7 Air Disc Brakes.
Rear TAK-4™ Suspension
Brake information for rear TAK-4™ suspension-equipped chassis can be found in the Pierce Service Manual, group
0251-V-019, Bendix EB & ES Air Drum Brakes.
6-10.3 Air Dryer
Inspect the air dryer to ensure that it is exhausting properly at each cycle of the air compressor governor. Replace
the desiccant cartridge every 2 to 3 years or more often depending on usage. Refer to the air dryer maintenance
manual (included in the Pierce Service Manual) for maintenance schedules, lubrication recommendations, and
inspection procedures.
6-11. Rear Suspension
Refer to the rear suspension manufacturer’s maintenance manual (included in the Pierce Service Manual) for
maintenance schedules, lubrication recommendations, and inspection procedures.
6-12. Spring Suspension (Front and Rear)
6-12.1 Springs
Inspect spring leaves for signs of wear, cracking, or bending.
Check for damage to spring stops.
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