Anchor Mast Assembly:
1. Adjust Trench Box Anchor Mast Assembly to fit trench box wall thickness.
2. Place Trench Box Anchor Mast Assembly over trench box wall with Adjustment Clamps facing away from
fall hazard.
Fall Hazard
Adjustment
Clamps
3. Tighten (2) provided assembly bolts with 3/4" wrench until snug.
4. Tighten both Adjustment Clamps until snug. Adjustment Clamps must lie flush against trench box wall.
5. Install Anchor Mast. Insert (2) provided bolts, attach nuts to bolts, and tighten with 3/4" wrench until snug.
Anchor Mast must not move after installation.
Anchor Mast
Bolts
Assembly
Bolts
7
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