What the thread found

• Side-to-side play in the ARRI Trinity top stage can be corrected by tightening four screws on the donkey box to 1.5 mm torque.
• Field maintenance of ARRI gear is possible with access to the spare parts catalogue and component breakdowns, avoiding costly factory service for simple adjustments.
• The ARRI spare parts catalogue includes detailed part replacement information and assembly diagrams useful for operator-level servicing.
• Operators report that ARRI factory service can charge significant fees for minor maintenance such as tightening fasteners.

Depends on

• Procedure applies to the ARRI Trinity TST-2 specifically.
• Requires access to the ARRI spare parts catalogue for detailed assembly information.
• Appropriate tools and torque measurement capability needed for precise adjustment.

Parts

Top Stage, Donkey Box

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