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June 7, 2023 Service bulletin

Altec has learned that a pressure regulator bolt spacer on certain ST550/720/750 spray trucks and...

Altec technical service bulletin SIL 3067 for 2020 Altec ST Spray Truck and 2021-2023 Altec Spray Truck.

Bulletin number
SIL 3067
Component
Equipment
Summary
Altec has learned that a pressure regulator bolt spacer on certain ST550/720/750 spray trucks and SK430/560 spray units built from July 2020 to February 2023 might not have been installed on the pressure regulator bolt weldment, resulting in the hoses on the tank exceeding their rated pressure on the affected units.

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