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172:-like lever called a 'tow bar' that also acts on the pump piston for raising the forks. A small lever on the tow bar's steering handle releases the hydraulic fluid, causing the forks to lower. The steering wheels are located directly below the tow bar and support the jacking mechanism. The front wheels inside the end of the forks are mounted on push rods attached to linkages that go to levers attached to the
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rather than a brake to stop the machine should the user need to stop quickly or leave the machine while it is in use. Others use a system known as "plugging" wherein the driver turns the throttle from forward to reverse (or vice versa) to slow and stop the machine, as the dead man's switch is used in
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Powered pallet jacks, also known as electric pallet trucks, walkies, single or double pallet jacks, or power jack, are motorized to allow lifting and moving of heavier and stacked pallets. Some contain a platform for the user to stand while moving pallets. The powered pallet jack is generally moved
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Rough terrain pallet jacks are designed specifically for use on uneven ground. They are made using heavy-duty frames and robust pneumatic tyres so that they can be manoeuvred over rough surfaces with ease. Many manufacturers opt for watertight wheel bearings, a hydraulic elevator or a built-in pump
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cylinder. As the hydraulic jack at the 'tiller' end is raised, the links force the wheels down, raising the forks vertically above the front wheels, raising the load upward until it clears the floor. The pallet is only lifted enough to clear the floor for subsequent travel. Oftentimes, pallet jacks
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321:(MHE). Under most health and safety law, training is required in their use (particularly for powered pallet jacks) and, as the loads carried are heavy, there is a substantial risk of accidents resulting in injuries.
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most commonly seen in retail and personal warehousing operations. They are used predominantly for lifting, lowering and steering pallets from one place to another.
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Manual pallet jacks have existed since at least 1918. Early types lifted the forks and load only by mechanical linkages. More modern type uses a hand pumped
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In
Eurasia the overall dimensions are similar, as modern container palletization has forced standardization in the dimensional domain globally.
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by a throttle on the handle to move forward or in reverse and steered by swinging the handle in the intended direction. Some contain a type of
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Jack showing how wheels drop, lifting forks and load. The steering tiller and raised hydraulic cylinder are clearly visible on the right
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Enables only two-way entry into a four-way notched-stringer pallet, because the forks cannot be inserted into the notches.
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to ensure their rough terrain pallet jacks are easy and comfortable to use, even in the harshest conditions.
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Fork width, i.e. The dimension between the outer edges of the forks: Available as 510 and 690 mm (
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Double-faced non-reversible pallets cannot have deck-boards where the front wheels extend to the floor.
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Fork length: Available as 910, 1,070 and 1,220 mm (36, 42 and 48 in)
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Pallet jack in lowered position, allowing it to be inserted under a load on a pallet
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are used to move and organize pallets inside a trailer, especially when there is no
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Raised height: At least 190 mm (7.5 in), but some will raise higher
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Power jacks have difficulty in confined spaces (coolers) and narrow openings.
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19:"Pallet truck" redirects here. For the powered industrial moving truck, see
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Industry seems to have 'standardized' pallet jacks in several ways:
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An electric pallet jack. The recharging lead can be seen.
454:. Vol. 93, no. 6. Modern Publishing Company (
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Width of each of two forks: 180 mm (7 in)
56:. Unsourced material may be challenged and removed.
445:"This New Truck Gets Under The Load And Lifts It"
225:Underside of a jack showing linkages under forks
485:"Types of Pallet Jack Accidents, With Examples"
531:Tips for renting and working with pallet jacks
152:. Pallet jacks are the most basic form of a
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409:. Donegal Bay Inc. Publishing. p. 7.
156:and are intended to move pallets within a
536:OSHA hazards of working with pallet jacks
116:Learn how and when to remove this message
356:Lowered height: 74 mm (2.9 in)
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255:A manual pallet jack is a hand-powered
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132:Typical manual pallet jack (lowered)
54:adding citations to reliable sources
299:Reversible pallets cannot be used.
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41:needs additional citations for
508:. U.S. Global Resources (USGR)
458:). December 1918. p. 54.
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317:Pallet jacks are classed as
506:"Standard 2.9" Pallet Jack"
319:material-handling equipment
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285:Rough terrain pallet jack
168:The jack is steered by a
431:"What is a pallet jack?"
383:Manual handling of loads
181:access or availability.
452:Popular Science Monthly
294:Operational limitations
448:(Scan by Google Books)
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164:Operational principle
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401:The Forklift Manual
50:improve this article
456:Bonnier Corporation
406:The Forklift Manual
403:Ryan, John (2006).
263:Powered pallet jack
186:Operating mechanism
325:Typical dimensions
281:emergencies only.
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251:Manual pallet jack
140:, also known as a
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16:Industrial machine
561:Material handling
556:Lifting equipment
551:Freight transport
313:Operational risks
278:dead man's switch
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65:"Pallet jack"
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510:. Retrieved
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48:Please help
43:verification
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146:pallet pump
138:pallet jack
106:August 2014
545:Categories
389:References
378:EUR-pallet
76:newspapers
512:31 August
469:31 August
464:0161-7370
373:Unit load
240:hydraulic
158:warehouse
367:See also
154:forklift
21:forklift
345:⁄
234:History
150:pallets
90:scholar
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170:tiller
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246:Types
97:JSTOR
83:books
514:2014
471:2014
460:ISSN
411:ISBN
257:jack
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