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LIFTING - Caldwell Main Catalogue

Section H 

 
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Gantry Cranes

Free Standing Jibs

KRANE-KING®

Jib & Gantry Cranes

Hoists

Tension & Cantilevered
Jibs

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Quality & Engineering H.3
 

Gantry Cranes - Easily moves to where you need to pick up, transport or rotate a load. Roll it inside or out. Can be utilized where a smooth and level floor is available.


Fixed Height Gantry H.4 - H.7
Adjustable Height Gantry H.8 - H.14 
Gantry Options H.15
Aluminum Fixed & Adjustable Gantries H.16 - H.17


Free Standing Jib Cranes - Used where overhead cranes are not practical or feasible. Gives full 360° floor coverage around the pillar allowing unrestricted placement of machinery and equipment.


Base Mounted H.18 - H.24
Jib Crane Application Evaluation H.25
Dimension and Foundation Information H.26 - H.27 
Jib Options H.28 - H.29
Foundation & Sleeve Mounted  H.30


Tension & Cantilevered Jibs - Mast Type Jibs are braced between the ceiling & floor. Column/Wall Mounted Jib Cranes are installed up out of the way on building columns. Jib placement can be at any elevation required and yields 180° floor coverage.


Mast Type H.31
Column Tension Braced H.32 - H.33 
Column Full Cantilevered H.34 - H.35


Hoists - Heavy duty packages are available to fit all standard jib and gantry Cranes in manual or electric operation. Other types and sizes of electric or air hoists are available in a variety of capacities, speeds, and control options. Flange clamps can be used for hoist attachment.


Hoists  H.36 - H.41 
Beam Flange Clamp H.42

 

 

Care & Use H.43

Index to Krane-King® Jib & Gantry Cranes

Specialty Lifters

Standard Applications

 
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The Caldwell Group has been designing and manufacturing lifting equipment since 1954. It is our goal to manufacture high quality, long lasting lifting products that will safely increase productivity and reduce operating costs.


All Krane-King® Cranes are designed to be used with hoists and trolleys. Rated capacity includes a design load which takes into account the weight of the hoist and trolley and an impact loading. These cranes can be categorized into 3 types:


1. Portable Gantry Crane - moves on any level floor and yields versatile, “goes anywhere” floor coverage.
2. Free Standing Jib Crane - mounts to a floor or poured foundation and yields 360° circular floor coverage.
3. Column Mounted Jib Crane - mounts to building columns and yields 180° floor coverage.


Krane-King® Cranes adhere to the highest quality standards and conform to the appropriate AISC and CMAA standards.


Please refer to current OSHA specification 1910.179 for inspection, testing and maintenance for Caldwell Krane-King® Equipment.


All Krane-King® Cranes Have:
• Identification nameplate.
• Rated capacities and product safety labels.


Benefits Your Company Will Receive With A Caldwell Crane:
• Heavy duty, minimum deflection design.
• Simple, easy installation procedure.
• Foundation and column load information provided.
• Increased productivity.

• Low costs maintenance.
• Increased safety of an engineered product.
• Reliability and durability for long lasting service.

DISCLAIMER:
All product designs are subject to change without notice. Products pictured in this  catalogue are a representation of a specific design. The product you purchase will be designed for your specific application and may not look exactly like the picture in this catalogue.

Quality & Engineering

 
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PRODUCT FEATURES:
• Adjustable span standard on 10’-16’ spans through 5 ton.
• Bolted connections on spans of 20’-24’ and all 8 ton units.
• Heavy duty supported leg design.
• Balanced design allows for easy rolling, even under load.
• Conforms to AISC, OSHA, and CMAA specifications.
• Simple bolt together construction.
• Easy setup and maintenance.
• 4 - steel swivel casters standard.
• Assembly instructions provided.
• For our optional gantry crane features, please see page H.15.

Gantry Cranes

Model H90 - Fixed Height Gantry

 
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Gantry Cranes

 
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Gantry Cranes

 
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Gantry Cranes

 
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PRODUCT FEATURES:
• Adjustable span standard on 10’-16’ spans through 5 ton.
• Bolted connections on spans of 20’-24’ and all 8 ton units.
• Heavy duty supported leg design.
• Balanced designed allows for easy manoeuvring, even under load.
• Conforms to AISC, OSHA and CMAA specifications.
• Simple bolted construction.
• Easy set up and maintenance.
• 4-steel swivel casters standard.
• Height & span adjustability.
• Height adjustable down from maximum in 12” increments.
• For our optional gantry crane features, please
see page H.15.

Gantry Cranes

Model K90 - Adjustable Height & Span Gantry

 
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Gantry Cranes

Model K90-1 - 1 Ton Capacity

 
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Gantry Cranes

Model K90-2 - 2 Ton Capacity

 
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Gantry Cranes

Model K90-3 - 3 Ton Capacity

 
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Gantry Cranes

Model K90-4 - 4 Ton Capacity

 
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Gantry Cranes

Model K90-5 - 5 Ton Capacity

 
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Gantry Cranes

Model K90-8 - 8 Ton Capacity

 
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Gantry Cranes

Optional Features For Steel & Aluminum Gantry Cranes

Wheel Brakes -
To hold the crane in place – these WILL NOT hold the gantry in place on a sloped surface or if the hoist is used improperly in a “side-pull” lift.

Swivel Locks -
Allow a wheel to be locked in the stationary position. Locking two wheels makes the gantry crane easier to steer.

Adjusting Level Kits -
Mounted to both legs to make no-load vertical height adjustment quicker and easier. Must be ordered at the time the gantry is ordered.

Floor Locks -
Mounts between the 2 wheels under the crane. Depressing the pedal keeps the crane from moving.

V-Groove Wheels - Angle Track - End Stops - Provides easy movement along a fixed track. Angle Track is provided with 

Power Drive Kits - To increase ergonomics, a Powered Drive Kit allows for motorized control of travel.

Single Speed Drive kit specification:
- Travel speed 90 FPM.
- V-Groove Wheels included.
- Control panel with soft-start and mainline contactor.

- CMAA Class C, indoor service 230/460-3-60AC.
- NEMA 1 enclosures.
- 2 button control included.

Posi-Gantri™ is also available see Section C

 
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The all aluminum gantry is perfect for applications where
the crane weight is critical.


PRODUCT FEATURES:
• Lightweight aluminum.
• Balanced design allows for easy rolling, even under load.
• Conforms to AISC, OSHA and CMAA specifications.
• Bolt together construction.
• Easy set up and maintenance.
• 4 poly-coated swivel casters.
• For our optional gantry crane features, please see page H.15.

Gantry Cranes

Model HA90 - Aluminum Gantry Fixed Height & Adjustable Span

 
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The all aluminum gantry is perfect for applications where the crane
weight is critical.


PRODUCT FEATURES:
• Lightweight aluminum.
• Balanced design allows for easy rolling, even under load.
• Conforms to AISC, OSHA and CMAA specifications.
• Bolt together construction.
• Easy set up and maintenance.
• 4 poly-coated swivel casters.
• Height and span adjustability.
• Height adjustable down from maximum in 6” increments.
• For our optional gantry crane features, please see page H.15.

Gantry Cranes

Model KA90 - Aluminum Gantry Adjustable Height & Span

 
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PRODUCT FEATURES:
• Spans and height combinations from 8’-20’.
• 360° rotation (when not obstructed).
• Design allows for easy rotation, even under full load.
• Units are fully self-supporting (must be anchored to specified foundation).
• Conforms to applicable standards.

Free Standing Jib Cranes

Model A360 Series - Base Mounted

“Friction Free” Full Circle Jib Crane

Designed for easy installation, minimal maintenance requirements, and years of trouble free service.

Heavy duty design with many quality features:

1. Two roller design with articulated roller housing provides easy, precise rotation while reducing concentrated roller pressure on the pipe for most “normal” industrial applications.

2. Jib head is designed for exact bearing alignment for trouble-free installations and “friction-free” rotation. Adjustable rollers
insure proper boom leveling.

3. End stops provide a positive hoist/trolley stop, and allows for maximum in trolley travel.

4. Optional hoist/trolley package please see pages H.36 - H.37

All cranes have been designed to easily accept a kit for powered rotation either with the initial order or at a later date. Krane-King® Motor Drive Packages are on page H.28.
See pages H.28 - H.29 for options.

 
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* Total weight of hoist and trolley not to exceed 15% of rated capacity.


▲ See pages H.26 and H.27 for complete foundation information.


Clearance requirements -
2” Horizontal
3” Vertical


Complete hoist/trolley package information on pages H.36 and H.37.

Free Standing Jib Cranes

Model A360-1/4 - 1/4 Ton Capacity

 
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* Total weight of hoist and trolley not to exceed 15% of rated capacity.


▲ See pages H.26 and H.27 for complete foundation information.


Clearance requirements -
2” Horizontal
3” Vertical


Complete hoist/trolley package information on pages H.36 and H.37.

Free Standing Jib Cranes

Model A360-1/2 - 1/2 Ton Capacity

 
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* Total weight of hoist and trolley not to exceed 15% of rated capacity.


▲ See pages H.26 and H.27 for complete foundation information.


Clearance requirements -
2” Horizontal
3” Vertical


Complete hoist/trolley package information on pages H.36 and H.37.

Free Standing Jib Cranes

Model A360-1 - 1 Ton Capacity

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* Total weight of hoist and trolley not to exceed 15% of rated capacity.


▲ See pages H.26 and H.27 for complete foundation information.


Clearance requirements -
2” Horizontal
3” Vertical


Complete hoist/trolley package information on pages H.36 and H.37.

Free Standing Jib Cranes

Model A360-2 - 2 Ton Capacity

* Total weight of hoist and trolley not to exceed 15% of rated capacity.


▲ See pages H.26 and H.27 for complete foundation information.


Clearance requirements -
2” Horizontal
3” Vertical


Complete hoist/trolley package information on pages H.36 and H.37.

Free Standing Jib Cranes

Model A360-3 - 3 Ton Capacity

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* Total weight of hoist and trolley not to exceed 15% of rated capacity.


▲ See pages H.26 and H.27 for complete foundation information.


Clearance requirements -
2” Horizontal
3” Vertical


Complete hoist/trolley package information on pages H.36 and H.37.

Free Standing Jib Cranes

Model A360-5 - 5 Ton Capacity

 
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For a price quote on your specific application,
please complete the above form and contact us

Jib Crane Application Evaluation

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Free Standing Jib Cranes

Additional Dimensional Information

 
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These recommendations are subject to approval of local engineering as required.


Foundation requirements are based upon a soil pressure of 2500 lbs. per square foot and 3000 lbs. per square inch compressive concrete.


Reinforcing bars 5/8” diameter top, 3/4” diameter bottom on 12” center each way.


Anchor bolts are not supplied with crane but are available as an option.

Free Standing Jib Cranes

Foundation Dimensional Information

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BENEFITS:
• Rotate jib cranes into position with push-button controls.
• Safely position up to 5-ton loads with little operator effort.
• Reduce employee back strains and injuries.
• Accurately position loads by eliminating jib over-travel.
• Avoid machinery damage with precise boom control.
• Rotate jib booms easily in overcrowded areas.
• Improve efficiency during loading and unloading.
• Eliminate hoist side-loading with jib motorization.
• Position operators farther from jib crane loads.
• Position jib booms over hard to reach areas.


STANDARD FEATURES:
• Fits almost any free-standing jib crane.
• 1/2 RPM with fractional HP motor.
• CMAA Class C, indoor service 230/460 AC with 110 volt control.
• Dual spring loaded heavy duty rubber drive wheels.
• NEMA 1 panel with reversing contactor and soft start.
• Designed for either bolt-on or weld-on mounting.
• Available on new cranes or as a retrofit.

Free Standing Jib Cranes

Motorized Rotation Options

Model 359MR Limited Motorized Rotation Option
• Order either a Model 359MR-1 or 359MR-2.
• Standard features include a limit switch and rotation stops* that provide up to 359° rotation.
• Available as either factory installed (with new jib order), or as a kit to fit a variety of manufacturer’s jib cranes.


* To be field located.

Model 360MR Continuous Motorized Rotation Option
• Order either a Model 360MR-1 or 360MR-2.
• Allows for 360° continuous rotation.
• Standard unit includes a top entry (power source from ceiling) collector ring.
• Available as either factory installed (with new jib order), or as a kit to fit a variety of manufacturer’s jib cranes.


If bottom entry collector rings are required, they must be ordered at the same time as the jib and are available as factory installed only.

BOLT STYLE 6

BOLT STYLE 12

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Free Standing Jib Cranes

Optional Features For Jib Cranes

Anchor Bolts - J-type for mounting,
provided complete with nuts and washers.

Power Cord Tag Line Kit -
Keeps power cord up and out of the way (Provided when hoist package is purchased).

Top or bottom entry Electric Collector Rings -
Allows for continuous rotation by eliminating possible power cord damage.

Rotational Stops - Prevents continuous rotation of jib. Steel stops to be field welded.

To Scale* Templates - A full size paper template is
available for exact bolt patterns.

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PRODUCT FEATURES:
• Span and height combinations from 8’ - 20’.
• Capacities to 5 tons.
• 360° rotation (when not obstructed).
• Design allows for easy rotation, even under full load.
• Units are fully self-supporting (must be anchored to specified foundation).
• Conforms to applicable standards.
• See pages H.28 - H.29 for accessories.


CONSULT FACTORY:
Please fill out our application evaluation on page H.25 and our application specialists will review your request.

Free Standing Jib Cranes

Model A360 Series - Base Mounted

This unit is selected when bottom base & gusset plates interfere with cranes placement.

PRODUCT FEATURES:
• Span and height combinations from 8’ - 20’.
• Capacities to 5 tons.
• 360° rotation (when not obstructed).
• Design allows for easy rotation, even under full load.
• Units are fully self-supporting (must be anchored to
specified foundation).
• Conforms to applicable standards.
• See pages H.28 - H.29 for accessories.

 

CONSULT FACTORY:
Please fill out our application evaluation on
page H.25
 and our application specialists will review your request.

Model C360 - Sleeve Mounted

This unit is selected if the cranes removal is an important factor.

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Tension & Cantilevered Jib Cranes

Model F360 / G360 - Mast Type Jib Cranes

For a price quote on your specific application,
please complete the above form and contact us

PRODUCT FEATURES:
• Low headroom design.
• Imposes less force than column mounted solutions.
• Span and height combinations from 8’-20’.
• Capacities to 5 tons.
• 360° rotation (when not obstructed).
• Simple four hole base plates for easy installation.
• Bolted connections.
• Very easily adjusted (if out of plum).
• Conforms to applicable standards.

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PRODUCT FEATURES:

Fittings are heavy duty steel weldments, jig welded to insure proper bearing alignment.


Axles are Grade 8 bolts with lock washers and nuts. Lubricated bronze shoulders bushings are used.


Fitting is bolted to top flange of beam, which allows for single location “leveling down” of the beam if an adjustment is required.


American Standard Wide Flange beams, selected to properly handle all imposed forces and loads.


End stops provide a positive hoist / trolley stop allowing for the maximum in trolley travel.


Fitting Kits - To be used to build complete cranes in accordance with the information provided on page H.33. Kits include: 3 fittings and assembly instructions.

 

Tension rod available upon request.

FITTING DIMENSIONS

Tension & Cantilevered Jib Cranes

Model D180 - Tension Braced

This crane puts the economy back into this column mounted unit. This inexpensive jib crane provides a fast and easy to install solution to a localized material handling problem. Our unique design follows the same engineering criteria as all of our quality products. Easy to install fittings simply bolt to the column and beam. This “friction free” 180° rotating crane can also be pushed out of the way when not in use.

 
 
 
 
 
 
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Tension & Cantilevered Jib Cranes

Model D180 - Tension Braced

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Tension & Cantilevered Jib Cranes

Model E180 - Full Cantilever

PRODUCT FEATURES:

Fittings are heavy duty steel weldments, jig welded to insure proper bearing alignment.


Axles are Grade 8 bolts with lock washers and nuts. Lubricated bronze shoulder bushings are used.


American Standard Wide Flange beams, selected to properly handle all forces and loads imposed upon it.


End stops provide a positive and permanent hoist / trolley stop allowing for the maximum in trolley travel.


Fitting Kits - To build complete cranes in accordance with the information provided on page H.35. Kits include: 2 fittings and assembly instructions.

FITTING DIMENSIONS

This crane puts the economy back into this column mounted unit. This inexpensive jib crane provides a fast and easy to install solution to a localized material handling problem. Our unique design follows the same engineering criteria as all of our quality products. Easy to install fittings simply bolt to the column and beam. This “friction free” 180° rotating crane can also be pushed out of the way when not in use.

 
 
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Tension & Cantilevered Jib Cranes

Model E180 - Full Cantilever

* The total of hoist and trolley not to exceed 15% of rated capacity.
** This dimension must be held exactly.
^ Thrust and Pull MUST be reviewed and approved prior to crane installation. Jib Cranes with an L dimension of 6'6" or less are welded and shipped as a one piece. Jibs Cranes with an L dimension of 7'6" or more are have a bolted connection and are shipped in two pieces.

 
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Hoists

Model MM, ME, and EE - Standard Hoist Packages

• Capacity Range: 1/8 to 8 ton.
• Power Supply: 208-230/460V-3-60 (others are available).
• Control Voltage: 110V.
• Classifications: ASME H4, ISO-M5 or M4, FEM-2m or 1Am.

PRODUCT FEATURES:
• Heavy duty design.
• Upper and lower limit switch.
• Thermal protected fan cooled motor.
• Bottom swivel hook with safety latch.
• Chain container.
• Ergonomically designed push button station.

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Hoists

PRODUCT OPTIONS:
• Additional Power Cord Length - specify total length required.
• Tag Line Kit - for up to 30' beam length.
• Tag Line Brackets

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Hoists

Model HSN - Electric Chain Hoist

PRODUCT FEATURES:
• Heavy duty design.
• Extreme duty motor.
• Upper limit switch.
• Fan cooled motor.
• Lightweight aluminum body.

• Capacity Range: 1/4 to 3 ton.
• Control Voltage: 110V.
• Power Supply: 115/230-1-60.
• Classifications: ASME H4, ISO M5 or M4, FEM 2M or 1Am.

PRODUCT OPTIONS:
• Extra Lift - specify total lift required.
• Additional Power Cord Length - specify total length required.
• Additional Pendant Length - specify total length required.
• Chain Container

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Hoists

Model HED - Electric Chain Hoist

PRODUCT FEATURES:
• Low headroom design.
• Heavy duty motor.
• Double braking system.
• Lightweight aluminum body.
• Single chain fall, through 525 pounds

• Capacity Range: 125 to 1050 pounds.
• Control Voltage: 120V direct.
• Power Supply: 120-1-60.
• Classifications: ASME H2.

PRODUCT OPTIONS:
• Extra Lift - specify total lift required.
• Additional Power Cord Length - specify total length required.
• Additional Pendant Length - specify total length required.
• Chain Container - for longer lifts.

Single Speed with Standard
Chain Container

Dual Adjustable Speed with Standard
Chain Container

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Pendant Control
with Optional
Chain Container

Hoists

Model HAH - Mini Air Hoist

PRODUCT FEATURES:
• Unlimited duty cycle.
• High lifting speeds.
• Low noise levels.
• Lightweight and compact body.
• Disc motor brake system.
• Pendant, cord, or manipulator controlled.

• Capacity Range: 250 - 500 pounds.
• Air Supply Required: 19-34 CFM at 60-90 PSI.
• Air Lubrication: Minimum 10 to 15 drops of oil per minute.
• Air Filtration: Maximum 5 micron air filter or finer.
• Air Inlet Port: 3/8" NPT.

Manipulator Control
with Standard
Chain Container

PRODUCT OPTIONS:
• Extra Lift - specify total lift required.
• Additional Pendant Length - specify total length required.
• Chain Container - for pendant and cord control models.

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Hoists

Model HTC - Air Hoist

PRODUCT FEATURES:
• Unlimited duty cycle.
• High lifting speeds.
• Low noise levels.
• Lightweight and compact body.
• Disc motor brake system.
• Pendant or cord controlled.

• Capacity Range: 250 - 2000 pounds.
• Air Supply Required: 19-34 CFM at 60-90 PSI.
• Air Lubrication: Minimum 10 to 15 drops of oil per minute.
• Air Filtration: Maximum 5 micron air filter or finer.
• Air Inlet Port: 3/8" NPT.

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Hoists

Model BFC - Beam Flange Clamps

PRODUCT FEATURES:
• Rated load capacities from 1 to 10 metric tons.
• Proof test with certificate.
• Lightweight and portable design.
• Left-hand thread and right-hand thread screw spindle allows for rapid clamping and unclamping.
• Lock nut prevents inadvertent loosening of clamp.
• Jaw opening adjusts to a wide range of beam types and flange widths.
• Use only for vertical loading.
• Built-in suspension pin provides lower headroom.
• Powder coated finish.
• Available with Large Bail option for oversized hoist hooks.
• 5:1 design factor meets portions of ASME B30.16.
• Complies with ASME B30.20 and BTH-1 standards.

OPTION LB
Large Bail

Applications

 
 
 
 
 
 
 
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Care & Use

INSTALLATION
Jibs and Gantries shall be assembled and installed in accordance with the manufacturer's instructions, unless other specific arrangements have been approved in writing by manufacturer. All freestanding cranes need to be properly anchored to an adequately sized foundation. Caldwell's recommendations are based upon a soil pressure of 2,500
pounds per square foot and 3,000 pounds per square inch compressive concrete. Our recommendations are subject to approval of local engineering and building codes where required. All column and mast type cranes impose Thrust and Pull loadings on building structures. These loadings must be reviewed and approved prior to crane installation.


OPERATOR TRAINING
Jibs and Gantries shall be operated in accordance with manufacturer's instruction manual, and by personnel who have received instructions described in the "Operating Practices" section of these guidelines. Training shall also include instructions regarding:
1. Details of the lifting cycle.
2. Application of the jib and gantry to the load including (according to the manufacturer's instructions) adjustments to the hoist, if any, to adapt it to various sizes and kinds of loads.
3. Instruction in any special operations or precautions that may be required.
4. Recognition of proper load configuration. For example, preferred operation requires an orderly pattern of stacking.
5. Before assuming responsibility for using the Jib or Gantry an operator shall demonstrate his understanding of the lifting procedure to the instructor. The instructor should record notes of operator's demonstrated ability.


INSPECTION
The Jib or Gantry shall be visually inspected by or under the direction of an appointed person on a daily or weekly schedule depending on the nature of the application and the severity of the service. Details to look for include, but are not limited to:
1. Structural deformation.
2. Cracks in the structural frame, welds, attachment points,
mechanically operating parts, any attached lifting devices,
clevises and hooks.
3. Malfunctions during operation of mechanically operating parts.
4. Loose covers, fasteners and stops.
5. Faulty operation of push button controls.
6. Wear of hoist parts, travel path, load support beams.
7. Missing nameplates and markings. Contact Caldwell for replacement.


MAINTENANCE AND REPAIRS
1. A preventive maintenance program shall be established for each jib and gantry by a qualified person based on recommendations made by its manufacturer.
2. A qualified person should have responsibility for repairs. Dated records and details of repairs and parts replacement should be carefully maintained by a qualified person, and copies kept in your possession.
3. Replacement parts shall be at least equivalent to the original manufacturer's specifications.

OPERATING PRACTICES
DO'S

1. The operator shall receive, read and understand the manufacturer's instruction manual.
2. The operator shall watch carefully that the jib or gantry is performing properly during the lifting procedure.
3. The operator shall know the standard crane hand signals.
4. The operator shall only respond to signals from an appointed
person. However, stop signals from anyone shall be obeyed.
5. The operator shall notify a designated person when he considers
a load to be unsafe.
6. The operator shall inspect the jib or gantry before using. Any defect observed shall be examined by a qualified person to determine if it is a hazard.

 

DON'TS
1. The operator shall not operate a malfunctioning jib or gantry,
or one with an "out of service" tag attached.
2. The operator shall not use the jib or gantry for any purpose(s) other than those designated by the manufacturer's instruction manual.
3. The operator shall not use the jib or gantry when the capacity,
weight or safety labels are missing or not legible.
4. No one shall make alterations or modifications to the jib or gantry without consulting the manufacturer.
5. No one shall obscure or paint over the manufacturer's capacity,
weight, or safety markings.
6. Loads shall not be lifted higher than necessary or be left
suspended unattended.
7. The jib or gantry shall not lift a load that is not properly balanced
for safe lifting.


HANDLING THE LOAD
1. The combined weight of the load shall not exceed the rated load
of the jib/gantry or hoist.
2. The jib or gantry shall be applied to the load in accordance with
the manufacturer's recommended operating procedure.
3. Hoist ropes and chains shall not be kinked, and multiple part lines shall not be twisted about each other.
4. The jib or gantry shall not touch obstructions during load movement.
5. The jib or gantry shall not be loaded with loose material that
might fall during movement.
6. The operator or other personnel shall not place themselves or
any part of their bodies beneath suspended loads.
7. The jib and gantry shall not be used for loads for which it is not
designed.
8. If suspended loads are moved manually, they shall be pushed,
not pulled.
9. A preliminary lift of a few inches shall be made to establish that
the load is stable.
10. All loads shall be accelerated and decelerated smoothly and slowly.

Modifications or repairs performed on your lifting equipment without prior written approval from The Caldwell Group, Inc. voids your warranty. Refer to ASME standards for information regarding the liability of repaired or modified lifters.