Abell-Howe-Jib-Cranes - Flipbook - Page 10
J904R SERIES
Foundationless Base-Mounted Heavy-Duty Pillar Jib Crane
CAPACITY UP TO 1 TON
The Abell-Howe J904R Series was developed to be a foundationless jib for heavy-duty
industrial applications requiring only 6” concrete depth.
BENEFITS & FEATURES
CAPACITIES & DIMENSIONS
■ 1/4 ton – 1 ton.
■
Boom lengths from 8–20 ft. (Span A).
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Height under boom (HUB/Boom Height B) from 8–20 ft.
SPECIFICATIONS
Requires epoxy anchor bolts.
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360-degree rotation on a tapered roller bearing providing
full-capacity vertical and radial thrust loading.
OPTIONAL ACCESSORIES
Top or bottom entry collector or air swivel (for 360-degree
continuous rotation).
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COMPONENT MATERIALS
■ Mast — Fabricated from heavy wall structural steel pipe
with wall thickness sized to minimize de昀氀ection.
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Boom – Wide 昀氀ange beam section which provides high
load-bearing capacity and improved structural integrity to
effectively resist bending stresses.
Head Section — Rigid steel plate box type with welded
construction for minimum de昀氀ection between boom and mast.
CONCRETE FLOOR NOTES
■ Concrete 昀氀oor must be at least 6” thick and contain
wire mesh reinforcement.
■
Minimum soil pressure of 2,500 psf.
■
Rotation stops, wind or position lock for boom.
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Minimum concrete compressive strength of 3,000 psi.
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Anchor bolts with template – paper or steel.
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Galvanized, sand-blasted or epoxy paint 昀椀nishes.
Jib crane must be centered on a square foot area that
is free of cracks, seams, control joints, and walls.
■
Spark-resistant or explosion-proof for hazardous locations.
■
Electric, air or hand-geared powered rotation.
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Fusible disconnect switch for indoor or outdoor.
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Tagline wire or C-track festoon assemblies for power
to trolley/hoist.
MOTORIZED ROTATION AVAILABLE
The J904R series can be motorized!
Find more on pages 22-23.
