Description
J902 Series Benefits & Features
The J902 jib crane is a mast type full cantilever 360 degree rotation unit, with top and bottom pivot brackets for mounting to floor and overhead support. The jib crane is a wide flange beam, sized for minimum deflection, rigidly connected by a wide flange upright mast section by means of heavy plate and high strength bolts.
Capacities
- 1/4 ton – 5 tons.
- Boom lengths from 8–20 ft. on select capacities.
- Height under boom (HUB) from 8–20 ft.
Specifications
- 360-degree rotation at each pivot point.
- Fastened to the floor and ceiling.
- Ideal for low headroom conditions.
- Consists of a wide flange mast section, top pivot with self-aligning ball bushing, and bottom pivot with Oillite® bronze bushings with thrust washer.
- Designed to allow the greatest hook height.
- Top and bottom pivot brackets for mounting to floor and overhead support.
Component Materials
- Mast – Wide flange beam section sized to minimum deflection.
- Boom – Wide flange beam section which provides high load-bearing capacity and improved structural integrity to effectively resist bending stresses.
- Pivot Brackets – Top bracket designed for long life; self-aligning ball-bushing is coated with moly-coating dry film lubricant.
- Bottom Bracket – includes an Oillite® bronze-bushing with thrust washer.
- Reduced foundation and installation costs – designed to self-support with a smaller foundation footprint.
- Designed with close approach to the mast for better hook approach and higher hook position.
Optional Accessories
- Drop boom (useful when obstruction such as overhead lights or pipes may interfere with rotation.
- Rotation stops.
- Galvanized, sand-blasted or epoxy paint finishes.
- Spark-resistant or explosion-proof for hazardous locations.
- Electric, air or hand-geared powered rotation.
- Tagline wire or C-track festoon assemblies for power to trolley/hoist.
- Top-entry collector for 360-degree rotation.