RACK AND PINION
Rack is placed every 6′ – 7′. Allow for 6″ of rack when the vent is fully open. All models have 6″ of rack movement per revolution of drive shaft.
Straight Power Rack Models
Features
• Zinc pinion gear with shoulders to bear the weight and extend the life of the gear
• Easy alignment: racks work even with vent is not square
• Freedom from corrosion – stainless clevis pins, cotter pins, set screws, cast sash brackets and tough Nylatron bearings
• Holes in pinion housing are punched with stamping tool to maintain exact spacing
• The PowerRack arm and housing are manufactured using aluminum alloy for strength and freedom from corrosion
• Wide load-bearing surfaces
• Replaceable parts
Benefits
• Lubricate pinion gear annually
• Unique design prevents binding
• Wide housing allows for vent movement
• PowerRack’s precision-cut teeth minimize sharp edges, supporting smooth operation
Curved Power Rack Models
2728
2636
2736
2642
2742
2648
2748 53”
2653 53”
2753
2666
2766
2672
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