Abell-Howe-Jib-Cranes - Flipbook - Page 8
J904L SERIES
Foundationless Base-Mounted Light-Duty Pillar Jib Crane
CAPACITY UP TO 1000 POUNDS
The Abell-Howe J904L Series was developed to be a foundationless jib for light-duty industrial
applications requiring only 6” concrete depth.
BENEFITS & FEATURES
CAPACITIES & DIMENSIONS
■ 500 – 1,000 lbs.
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Boom lengths from 6–16 ft. (Span A).
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Height under boom (HUB/Boom Height B) from 8–14 ft.
SPECIFICATIONS
360-degree rotation on a tapered roller bearing providing
full-capacity vertical and radial thrust loading.
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Lower section of the head assembly revolves around the
pillar on a pair of cam rollers.
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Fully enclosed cam rollers to avoid pinch points.
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Base plate is reinforced with heavy steel gussets for
continuous alignment and rigidity.
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Top head assembly can be shimmed for boom leveling.
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End-stops at both ends of the boom for safe trolley travel.
CONCRETE FLOOR NOTES
Minimum soil pressure of 2,500 psf.
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Minimum concrete compressive strength of 3,000 psi.
Concrete 昀氀oor must be at least 6” thick and contain
wire mesh reinforcement.
Jib crane must be centered on a square foot area that
is free of cracks, seams, control joints, and walls.
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 — Heavy-duty pipe section with greased
top bearing.
OPTIONAL ACCESSORIES
■ Top entry collector or air swivel (for 360-degree
continuous rotation).
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Rotation stops.
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Anchor bolts with template – paper or steel.
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Tagline wire assemblies for hoist power cable.
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Epoxy paint 昀椀nish.
