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August 11, 2026 Service bulletin

Altec has learned that the JEMS high-pressure air conditioning hose could be installed incorrectly on...

Altec technical service bulletin SIL-3255 for 2023-2025 Altec Aerial Device Jems Hybrid.

Bulletin number
SIL-3255 (SIL-3255)
Component
Unknown or other
Summary
Altec has learned that the JEMS high-pressure air conditioning hose could be installed incorrectly on certain JEMS units mounted on Freightliner M2 Plus chassis with L9 engines built from January 2024 to May 2025. This could result in a refrigerant leak and cause the air conditioning to stop functioning.

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