Altec has received notification from Parker Chelsea, the manufacturer, of an issue with some of their 281...
Altec technical service bulletin SIL-3273 for 2007-2008, 2012-2018, 2020, 2023-2026 Altec Aerial Device and 2004, 2010-2012, 2024-2026 Altec Digger Derrick.
- Bulletin number
- SIL-3273 (SIL-3273)
- Component
- Unknown or other
- Summary
- Altec has received notification from Parker Chelsea, the manufacturer, of an issue with some of their 281 and 890 Series PTOs. An unintended restriction in lubrication flow may produce elevated back pressure in cold-start scenarios, leading to partial engagement of the clutch. Once the vehicle reaches normal operating temperature, the clutch drag will abate. In extreme cases, repeated cold starts may result in clutch disk damage and failure to engage when activated.
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