Abell-Howe-Jib-Cranes - Flipbook - Page 4
J904B SERIES
Base-Mounted Heavy-Duty Pillar Jib Crane
CAPACITY UP TO 5 TONS
The Abell-Howe J904B Series was developed to be an all purpose jib for heavy-duty
industrial applications.
BENEFITS & FEATURES
CAPACITIES & DIMENSIONS
■ 1/4 ton – 5 tons.
■
Boom lengths from 8–30 ft. on select capacities.
■
Height under boom (HUB) from 8–30 ft.
SPECIFICATIONS
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).
■
Rotation stops, wind or position lock for boom.
■
Anchor bolts with template – paper or steel.
■
Galvanized, sand blasted or epoxy paint 昀椀nishes.
■
Spark-resistant or explosion-proof for hazardous locations.
■
Electric, air or hand-geared powered rotation.
■
Fusible disconnect switch for indoor or outdoor.
■
Tagline wire or C-track festoon assemblies for power
to trolley/hoist.
■
■
Lower section of the head revolves around the pillar on a pair
of steel rollers equipped with self-aligning roller bearings.
■
Large diameter base plate is reinforced with heavy steel
gussets for continuous alignment and rigidity.
■
Head restraint — anti lift-off device.
ANCHOR BOLT LAYOUT
■
Bottom roller assembly can be shimmed for boom leveling.
Mast Diameter
8”
12”
14”
16”
18”
20”
24”
30”
■
End-stops at both ends of the boom for safe trolley travel.
Bolt Circle
24”
30”
36”
42”
48”
54”
60”
66”
■
Foundation requires 3-4 ft depth.
Anchor Bolts #
6
6
6
12
12
12
12
12
Bolt Diameter
1”
1⼀攀”
1⼀攀”
1⼀攀”
1⼀攀”
1⼀攀”
1⼀攀”
1⼀攀”
COMPONENT MATERIALS
■ Mast — Fabricated from heavy wall structural steel pipe with
wall thickness sized to minimize de昀氀ection.
■
■
■4
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.
MOTORIZED ROTATION AVAILABLE
The J904B series can be motorized!
Find more on pages 22-23.
