Craftsman Forklift Operator flashcards
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32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Stability triangle
- The area bounded by the two front wheels and the steer axle pivot. The combined center of gravity of truck and load must remain inside it or the truck tips.
- Load center
- Horizontal distance from the vertical face of the forks to the center of gravity of the load. Rated capacity applies only at the load center stated on the data plate.
- Capacity plate
- Manufacturer plate showing rated load, load center, lift height, and attachment. If it is missing, unreadable, or the truck is modified, the truck must not be used.
- Unattended truck rule
- A truck is unattended when the operator is over 25 feet away or out of sight. Then lower forks, neutralize controls, set brake, and remove the key.
- Three-point contact
- Mounting and dismounting facing the truck while keeping three of four limbs in contact with steps and handholds. The steering wheel is not a handhold.
- Ramp load orientation
- On grades, the load points uphill. Loaded trucks travel forward uphill; empty trucks travel forward downhill. Never turn on a ramp.
- Tip-over response
- Stay seated, brace feet, hold the wheel, and lean away from the fall. Do not jump; the overhead guard protects a seated operator but can crush one who jumps.
- Pre-shift inspection
- Documented check of fluids, forks, chains, mast, hoses, tires, guard, seat belt, horn, lights, brakes, and steering before the truck is used each shift.
- Refresher training triggers
- Required after an accident or near-miss, observed unsafe operation, a workplace change affecting operation, or assignment to a different truck type; also at least every three years.
- Fork heel wear limit
- Forks are rejected when heel thickness is reduced by roughly 10 percent or more, or when cracks, bends, or worn stop pins are found during inspection.
- Travel position
- Forks 4 to 6 inches above the floor, mast tilted back, load low, forks trailing. Travel in reverse only when the load blocks forward view, except on grades.
- Pedestrian right of way
- Pedestrians always have the right of way. The operator stops, makes eye contact or gets an acknowledged signal, and proceeds only when the path is clear.
- Blind corner procedure
- Slow down, sound the horn, and stop where visibility is blocked. Mirrors help but do not replace the stop and horn at blind intersections.
- Dock and trailer check
- Confirm trailer wheels are chocked or the vehicle is restrained, the dock plate is rated and seated, and the trailer floor is sound before entering with a truck.
- LPG cylinder change
- Do it outdoors or in a ventilated area with the engine off. Close the valve, check the O-ring and hose, engage the locating pin, and leak-test without flame.
- Battery charging safety
- Ventilate the area, keep sparks and flames away, wear face and hand protection, and add water after charging. Hydrogen gas is produced during charging.
- Defect tagging
- Any defect affecting safe operation requires the truck to be removed from service, locked or tagged out, and reported to a supervisor before repair.
- Near-miss reporting
- Reporting events that did not cause injury but could have. Near-miss data identifies hazards and prevents the next serious incident.
- Overhead guard
- Structure over the operator compartment that protects against falling objects and supports the operator in a tip-over. It must never be removed or modified.
- Seat belt on forklifts
- Required on sit-down trucks with overhead guards. The restraint keeps the operator inside the protective compartment during a tip-over.
- Forklift classes
- Class I electric rider, II electric narrow aisle, III electric hand or rider pallet, IV IC cushion, V IC pneumatic, VI tow tractor, VII rough terrain.
- Center of gravity shift
- Adding an attachment or moving the load forward shifts the combined center of gravity toward the front wheels, reducing net capacity below the plate rating.
- Moment check
- Load weight times load center distance must not exceed the truck's rated moment. Attachments add their own weight and load center and require derating.
- Parking procedure
- Lower forks flat, neutralize controls, set the parking brake, turn off power, and remove the key. Chock wheels when parked on a grade.
- Traffic management plan
- Site rules for aisles, one-way routes, speed limits, stop points, pedestrian walkways, and charging or parking areas that separate trucks from foot traffic.
- Incident response order
- Stop and secure the truck, render aid and call for help, isolate the area, preserve the scene, then report to the supervisor and complete documentation.
- Operator authorization
- Authorization is granted per site and per truck type after formal, practical, and evaluated training; it is not transferable between employers or truck classes.
- Rider prohibition
- No riders on forks, pallets, or the truck body. Lifting people requires a securely attached, approved platform with guarding, never bare forks.
- Lockout/tagout
- Energy isolation procedure used when servicing a truck or battery. The operator verifies the truck is off, keys removed, and tags in place before repair work.
- Practical evaluation criteria
- Observable pass/fail items: inspection demonstrated, seat belt worn, horn at blind corners, load stable and square, no rack contact, correct parking.
- Stacking at height
- Check overhead clearance and rack capacity, approach square, lift to just above the beam, set the load level and fully seated, then withdraw forks slowly.
- Reverse travel rule
- Travel in reverse when the load blocks forward visibility, keeping the load low and tilted back. On grades, the load points uphill instead.