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24-4-2015 Leo Korthofopleidingen 1 Name of the trainer, Leo Korthof 4 kids, Woerden, Teacher VCA,...
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Transcript of 24-4-2015 Leo Korthofopleidingen 1 Name of the trainer, Leo Korthof 4 kids, Woerden, Teacher VCA,...
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18-04-23 Leo Korthofopleidingen 1
Name of the trainer,Leo Korthof
4 kids, Woerden, Teacher VCA, shovel, minigraver, heftruck,
reachtruck, trekker, werkvloertrainer, assessor
Facebook http://www.facebook.com
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18-04-23 Leo Korthofopleidingen 2
Classes of Commonly-Used Powered Industrial Trucks
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18-04-23 Leo Korthofopleidingen 3
The Industrial Truck Association has placed powered industrial trucks into 7 classes
• Class I - Electric motor rider trucks• Class II - Electric motor narrow aisle trucks• Class III - Electric motor hand trucks or hand/rider trucks• Class IV - Internal combustion engine trucks (solid/cushion tires)• Class V - Internal combustion engine trucks (pneumatic tires)• Class VI - Electric and internal combustion engine tractors• Class VII - Rough terrain forklift trucks
* Note that this classification refers to commonly-used vehicles and does not include all powered industrial trucks covered by the OSHA standard.
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18-04-23 Leo Korthofopleidingen 4
Class I - Electric Motor Rider Trucks
Counterbalanced rider type, stand up Three wheel electric trucks, sit-down Counterbalanced rider type, cushion
tires, sit-down (high and low platform) Counterbalanced rider, pneumatic tire,
sit-down (high and low platform)
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18-04-23 Leo Korthofopleidingen 5
Class I - Electric Motor Rider Trucks
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18-04-23 Leo Korthofopleidingen 6
Class I - Electric Motor Rider Trucks
Counterbalanced Rider Type, Stand-Up
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18-04-23 Leo Korthofopleidingen 7
Class II - Electric Motor Narrow Aisle Trucks
High lift straddle Order picker Reach type outrigger Side loaders, turret trucks, swing mast
and convertible turret/stock pickers Low lift pallet and platform (rider)
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18-04-23 Leo Korthofopleidingen 8
Class II - Electric Motor Narrow Aisle Trucks
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18-04-23 Leo Korthofopleidingen 9
Class II - Narrow Aisle Trucks
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18-04-23 Leo Korthofopleidingen 10
Class III - Electric Motor Hand or Hand/Rider Trucks
Low lift platform Low lift walkie pallet Reach type outrigger High lift straddle High lift counterbalanced Low lift walkie/rider pallet
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18-04-23 Leo Korthofopleidingen 11
Class III - Electric Motor Hand or Hand/Rider Trucks
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18-04-23 Leo Korthofopleidingen 12
Class III - Hand & Hand/Rider Trucks
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18-04-23 Leo Korthofopleidingen 13
Class IV - Internal Combustion Engine Trucks - Cushion (Solid) Tires
Fork, counterbalanced (cushion/solid tires)
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18-04-23 Leo Korthofopleidingen 14
Class IV - Internal Combustion Engine Trucks - Cushion (Solid) Tires
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18-04-23 Leo Korthofopleidingen 15
Class V - Internal Combustion Engine Trucks - Pneumatic Tires
Fork, counterbalanced (pneumatic tires)
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18-04-23 Leo Korthofopleidingen 16
Class V - Internal Combustion Engine Trucks (Pneumatic Tires)
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18-04-23 Leo Korthofopleidingen 17
Class VI - Electric & Internal Combustion Engine Tractors
Sit-down rider
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18-04-23 Leo Korthofopleidingen 18
Class VII - Rough Terrain Forklift Trucks
• Straight-mast forklift • Extended-reach forklift
All rough terrain forklift trucks
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18-04-23 Leo Korthofopleidingen 19
Rough Terrain Straight Mast Forklifts
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18-04-23 Leo Korthofopleidingen 20
Rough Terrain Extended-Reach Forklifts
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18-04-23 Leo Korthofopleidingen 21
Some Types of Powered Industrial Trucks Used in Maritime
• Container top handlers
• Container reach stackers
• Straddle carriers
• Semi-tractors/ Utility vehicles
• Sidehandlers
• Combination vacuum lifts
• Yard tractors
The following types of vehicles are covered by the OSHA standard if the vehicles carry, push, pull, lift, or tier loads.
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18-04-23 Leo Korthofopleidingen 22
Powered Industrial Trucks Used in Maritime
Container Handlers
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18-04-23 Leo Korthofopleidingen 23
Powered Industrial Trucks Used in Maritime
Empty-Container Handler
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18-04-23 Leo Korthofopleidingen 24
Powered Industrial Trucks Used in Maritime
Container Reach Stacker
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18-04-23 Leo Korthofopleidingen 25
Powered Industrial Trucks Used in Maritime
Straddle Carriers
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18-04-23 Leo Korthofopleidingen 26
Powered Industrial Trucks Used in Maritime
Yard Tractor
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18-04-23 Leo Korthofopleidingen 27
Operating a Lift Truck
Preoperation Inspection Operating a Lift Truck Loading/Unloading Traveling Ramps and Railroads Docks Parking Battery Charging
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18-04-23 Leo Korthofopleidingen 28
Preoperation Inspection
It is your responsibility to make sure your forklift functions properly
It requires preoperation inspections You must be sure equipment is
maintained
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18-04-23 Leo Korthofopleidingen 29
Walk Around Forklift properly disengaged
• Forks down, key off, neutral gear, parking brake on Left/right side
• Tire condition, tight lug nuts, no debris around axle, overhead guard is solid, no debris behind the mast
Front
• Forks in good shape, fork pins in place, backrest solid, mast & chains greased, hoses in good shape
Rear
• Counterbalance bolt is tight, radiator clear of debris
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18-04-23 Leo Korthofopleidingen 30
In the Seat
Nonmoving checks
• Gauges, lights, horn, back-up alarm, blinking warning light, operate the tilt & lift mechanism, check the parking brake
Moving checks
• Put on the seat belt, check the running brakes, check the steering
Look for oil or water leaks on the floor
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18-04-23 Leo Korthofopleidingen 31
Operating a Lift Truck
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18-04-23 Leo Korthofopleidingen 32
Operating a Lift Truck
Only trained, authorized operators Immediately report forklift-related accidents Seat belts must always be worn No person should stand under elevated
portion of lift truck Forklift controls operated only from
driver’s seat Never block exits or emergency equipment Smoking is not permitted
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18-04-23 Leo Korthofopleidingen 33
Loading/Unloading
Before raising a load, understand:
• Approximate weight of the load
• Location of the load’s center of gravity Inspect load for stability, projections,
damaged pallets before lifting Restack unstable loads Never place weight on the back of
a lift truck to increase its capacity Towing always done from rear towing pin
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18-04-23 Leo Korthofopleidingen 34
Traveling
Always look in the direction of travel Keep body inside the cage When moving, the mast must not be raised Sound the horn Operate at safe speeds When turning, watch rear end swing Clearance under overhead installations
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18-04-23 Leo Korthofopleidingen 35
Traveling
Avoid loose objects or holes If load blocks view, travel in reverse Never carry passengers Pedestrians always have the right-of-way Safe distance from edge of ramps or docks Never eat or drink No stunt driving or horseplay
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18-04-23 Leo Korthofopleidingen 36
Ramps and Railroads
Never turn on a ramp On ramps the load should be upgrade Ascend or descend ramps slowly Railroad tracks are crossed diagonally Never park within 8 feet of the center of
railroad tracks
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18-04-23 Leo Korthofopleidingen 37
Docks
Inspect the dock plate Check the trailer floor condition Trailer wheels are chocked Nose of the trailer is supported
by the tractor or a fixed jack
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18-04-23 Leo Korthofopleidingen 38
Parking
Lower the forks Set gear to neutral Set the parking brake Turn off the key
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18-04-23 Leo Korthofopleidingen 39
Propane Refueling
Propane is a combustible, compressed gas
Propane leaks are detected by:• Distinct odor
• Hissing sound
• Frost on fittings
PPE: gloves, safety glasses
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18-04-23 Leo Korthofopleidingen 40
Battery Charging
Inspect battery connectors for damage No smoking in battery-charging area Immediately clean up electrolyte spills PPE includes face mask, acid-resistant
gloves, and an apron
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18-04-23 Leo Korthofopleidingen 41
The forklifttruck
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18-04-23 Leo Korthofopleidingen 42
Components of a Forklift Truck*
*One of the most common types of powered industrial trucks
Blz 19
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18-04-23 Leo Korthofopleidingen 43
Forkliftmast
MastThe mast is the vertical assembly responsible for lowering or raising a load. A forklift mast is made up of interlocking rails necessary to provide lateral stability. These rails are guided by rollers or bushings.
HydraulicsForklift masts consist of metal plates used to move materials and are hydraulically driven. Hydraulics refers to the transmission of power via the use of pressurized fluid --- in this case, oil. Hydraulic cylinders that link directly to the forklift motor drive the mast, enabling it to lift, lower or tilt a load. The pressurized oil drives the cylinder piston to move in strokes, or linear motion. The mast is typically operated via a lever in the cab, or the area in the forklift used to house the operator and forklift control components
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18-04-23 Leo Korthofopleidingen 44
How a Forklift Mast Works
single mast Mast with 2 parts Mast with 3 parts
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18-04-23 Leo Korthofopleidingen 45
Filmpje 2 delige mast
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18-04-23 Leo Korthofopleidingen 46
Filmpje 3 delige mast
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18-04-23 Leo Korthofopleidingen 47
Verschillende hoogtes
.
Hefhoogte = maximum forkhight
maximale heffing van de vorken boven de vloer
Afzethoogte= max.height to pick up and/or put down loads
=Maximale hefhoogte – 25 cm
Vrije hefhoogte= freelift of freelift, vrije werkruimte zonder uitschuiven van de mast
Doorrijhoogte=Driving hightHoogste punt van mast of kooi met de last of lege vorken op 15 cm van de grond.
Bouwhoogte= Overall height is het hoogste punt van de truck met de vorken op de grond.
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Lastdiagram
Korte omschrijving Op een heftruck moeten een typeplaat en een werklastdiagram
aanwezig zijn op een plaats waar ze voor de heftruckchauffeur duidelijk en afleesbaar zichtbaar zijn.
Bij het heffen van lasten spelen onderstaande zaken een rol:• Totale hoogte van de uitgeschoven hefmast • Maximale vorkhoogte • Totale hoogte ingeschoven hefmast • Maximale vrije heffing • Gewichtsverdeling en de afmetingen van een last
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Stability of Powered Industrial Trucks
Definitions General Basic Principles Stability Triangle Longitudinal Stability Lateral Stability Dynamic Stability
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A
B
C
Vehicle Center ofGravity (Unloaded)
Center of Gravityof Vehicle and Maximum Load(Theoretical)
Stability Triangle - Figure 1
Notes:1. When the vehicle is loaded, the combined center of gravity (CG) shifts toward line B-C.
Theoretically the maximum load will result in the CG at the line B-C. In actual practice, the combined CG should never be at line B-C.
2. The addition of additional counterweight will cause the truck CG to shift toward point A and result in a truck that is less stable laterally.
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Load CG
Vertical StabilityLine(Line of Action)
Combined CG
Truck CG
Load CG
Combined CG
Vertical StabilityLine(Line of Action)
Truck CG
The vehicle is stable This vehicle is unstable and will continue to tip over
Stability Triangle - Figure 2
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Center of Gravity
Balance point48”
A
B
20” 40”
Distance from the edge of the item to the item’s center of gravity
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Load Center
Distance from vertical face of the forks to the load’s center of gravity• A: Load center = 24"
• B: Load center = 40" 80”
B
48””
A
1 inch = 100 lbs Important reason for keeping the load
resting against the vertical face of forks
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Combined Actions Center of gravity moves
side to side
Center of gravity moves forward
Center of gravity moves backward to the thin portion of the triangle
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Stability Triangle
3-point suspension Forklift’s center of gravity
Combined center of gravity
Load center beyond 24"
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pallets
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LCC
Standard Load Center Lastdiagram
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Claus
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Quiz
1. If your forklift has a rearview mirror, looking behind you is not necessary. True or False
2. Name two of the three ways to detect a propane leak: _______________, _______________
3. Describe the four items that must be completed prior to driving your forklift into a trailer.
4. If a load blocks your vision, it is OK to raise the load while moving to see under it. True or False
5. Preoperation inspections are done only because OSHA says we have to do them. True or False
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Quiz (cont.)
6. Attachments reduce capacity by increasing the load center and adding weight. True or False
7. Minimum PPE items required when refueling a propane tank are ___________, ____________.
8. The most important differences between a forklift and a car are weight and steering. True or False
9. Name at least one condition that when combined with turning sharply may cause a tipover.
10. Pedestrians have the right-of-way only while in designated pedestrian lanes. True or False
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Quiz Answers
1. False. You must always look behind you before backing up.
2. Hissing sound, distinct odor, or frost on fittings.
3. Chock the wheels, support the nose of the trailer, inspect the dock plate, check the trailer floor.
4. False. Never drive with the load up. Drive in reverse when the load obstructs forward vision.
5. False. Inspections are also done so that the operator can prevent mechanical failure accidents and because the company needs to prove compliance with OSHA’s requirement.
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Quiz Answers (cont.)
6. True. Attachments are heavy, and they cause the load center to move away from the forklift.
7. Gloves and safety glasses are the minimum PPE required.
8. True. There are many differences, but the most significant are weight and steering.
9. Hitting a pothole, carrying an off-center load, getting a flat tire, having a raised & tilted back load, or being on a ramp.
10. False. Pedestrians always have the right of way.