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February 25, 2026 Service bulletin

Altec has received notification from Monarch, the cylinder manufacturer, that one upper boom drive system...

Altec technical service bulletin SIL-3267 for 2025 Altec Lr8 Series.

Bulletin number
SIL-3267 (SIL-3267)
Component
Unknown or other
Summary
Altec has received notification from Monarch, the cylinder manufacturer, that one upper boom drive system cylinder, which carries the boom assembly load during operation, has been identified as originating from a suspect lot. Altec determined that the cylinder from the suspect lot has reached the field on an LR8 model aerial device built between September 2025 and November 2025. Monarch has asked that this cylinder be located and replaced to remove the suspect lot.

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