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April 20, 2026 Other

McNeilus Truck and Manufacturing provides instructions for installing an updated park brake valve pressure...

Mcneilus technical service bulletin ZSL-IB-004 for 2024-2025 Mcneilus Volterra ZSL.

Bulletin number
ZSL-IB-004
Component
Unknown or other
Summary
McNeilus Truck and Manufacturing provides instructions for installing an updated park brake valve pressure switch. The updated pressure switch has a higher pressure activation and reset values which reduces the delay experienced with the previous pressure switch and addresses an unintended door alarm.

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