Pinned Under a Vehicle ka bɔ Car Jack walima Ramp Collapse la¶

Ka baara kɛ mɔbili kɔrɔtalen jukɔrɔ, pickup, walima sport utilité min bɛ dɛmɛ dɔrɔn ni ji jaki ye, sirada la sizo jaki, plastiki bɔgɔlanw, walima bɛton cinder blocs brittles, o ye faratiba dɔ ye min bɛ mɔgɔ faga so garaziw ni sirada la dilanw na. Bi sedan min bɛ kɛ ka mɔgɔ ta, o girinya bɛ se kilo 1500 fo 2000 ma (kilo 3300 fo 4400), ka sɔrɔ pickup dafalen walima batiri-kuran SUV girinya bɛ kilo 2500 fo 4000 (kilo 5500 fo 8800). Hali ni mobili nɔngɔn kelen walima a ɲɛfɛla kelen dɔrɔn de wulila ka bɔ duguma, kilogaramu 750 ni 1800 cɛ (kilo 1650 ni 4000) girinya salen bɛ sigi mekanikinikɛla disi, a kunkolo walima a senkɔni kan.

Ni kɔnɔna lastikuw O-ring fiyɛra ka bɔ jibɔlan silinda kɔnɔ, kɔfɛ pankurun min ma sɔgɔ, o bɛ girin ka segin kɔfɛ ka bɔ bolifɛnw boliyɔrɔ la min bɛ jɛgɛn, ni sizo jaki bɛ wuli ka taa kɛrɛ fɛ nɛgɛso funteniman kan, walima ni bɛton cinder bloc dingɛlen dɔ karilen don ni doni girinya digilen ye, mobili bɛ bin mekanikini kan sekɔndi tannan fila kɔnɔ. Mɔgɔ min sirilen don a kɔkili walima a kɔkili la mobili jukɔrɔla walima tulubɔlan fɛ, o bɛ sphyxie traumatic sɔrɔ o yɔrɔnin bɛɛ: ni a bɛ ninakili bɔ tuma o tuma, mobili girinya bɛ sigi ka jigin a disi kogo kan, o b’a to u tɛ se k’u fogonfogonw bonya ninakili nata kama. O cogo kelen na, ni mekanikinikɛla dɔ sirilen don a cɛmancɛ la, a kɔkili la, walima a kɔnɔbara dugumayanfan na ka tɛmɛ miniti 15 kan k’a sɔrɔ a tora ka ninakili, ka mobili ja wuli yɔrɔnin kelen k’a sɔrɔ dɔgɔtɔrɔso ma labɛn, o bɛ se ka crush reperfusion syndrome ("saya nisɔndiyalen") faga, ka potasiyɔmu ni selilɛri bagaw ci ka bɔ farikolomugu kurulen na ka taa dusukun na. Ni i b’a dɔn i bɛ se ka mobili binna cogo min na ka a sɔgɔ ani k’a da sani i ka maga jaki la, ni i ka kan ka a kɔrɔta o yɔrɔnin bɛɛ ni waati min na i ka kan ka baara kɛ ni dɔgɔtɔrɔso dɛmɛbagaw ye, ani ka mobili bali ka bin siɲɛ filanan na kisi waati la, o bɛ mɔgɔ kisi.

Aw bɛ o kɛ sisan¶

1. AW kana aw yɛrɛ wuli abada mobili binna jukɔrɔ walasa ka jatigɛwalekɛla lajɛ walima ka a sama ka bɔ. Mobili min bɔra jaki la sisan dɔrɔn walima ka dɛmɛnan dɔ tigɛ, o tɛ sabati, wa a yɔrɔ dɔ bɛ lafiɲɛ mɔgɔ minɛlen farikolo kan ka wuluwulu a jukɔrɔ walima ka sɔgɔsɔgɔ mɔgɔ minɛlen senw kan, o bɛ se ka sɔgɔsɔgɔninjɛ wuli ka girinya tɔ jigin aw fila bɛɛ kan.
2. I ka sigida kɔrɔtɔko nimɔrɔ wele (911 Ameriki ani Kanada, 112 Erɔpu tɔnba bɛɛ kɔnɔ, 999 Angletɛri) teliya la. I ka telefɔni bila kumakanfɔlan kan walasa i bolow ka to hɔrɔnya la, k’a fɔ ciden ye ko mɔgɔ dɔ sirilen don mobili binna jukɔrɔ, ani k’a fɔ ni girinya bɛ lafiɲɛ u kunkolo/disi/kɔ kan walima u ka senw/senw/senw; waritasɛbɛn kɔrɔtɔko nimɔrɔw.
3. Chock the remaining tires on the ground immediately before touching any jack. Wedge solid wooden blocks, heavy bricks, firewood logs, or a spare tire tightly in front of and behind every tire still touching the ground so the vehicle cannot roll forward or backward when you attempt to lift it.
4. Determine whether to lift immediately (Chest/Neck/Head crush or <15 minutes) or wait for paramedics (Limbs/Pelvis pinned >15 minutes with normal breathing):
5. LIFT IMMEDIATELY if the vehicle is pressing on the victim's chest, neck, head, or upper abdomen, if the victim cannot breathe or is unconscious, or if the collapse happened less than 15 minutes ago. Every second of chest compression causes lethal suffocation.
6. STABILIZE AND WAIT FOR PARAMEDICS BEFORE LIFTING if the victim is pinned only across the legs, thighs, or lower pelvis, has been trapped for more than 15 minutes, and is awake and breathing freely. Lifting heavy weight off legs crushed for over 15 minutes without intravenous fluids and cardiac medications causes sudden fatal cardiac arrest; see joginni min bɛ kɛ ni fɛn dɔ ye min bɛ mɔgɔ sɔgɔsɔgɔ ani min bɛ wele ko compartiment syndrome.
7. Follow the "Lift an Inch, Crib an Inch" rule whenever jacking the vehicle off a victim. Never rely on a single floor jack or scissor jack to hold the car while someone drags the victim out. As one person pumps a rated jack under a solid frame rail, a second person must continuously slide solid hardwood boards, stacked 2x4 or 4x4 lumber, or a spare wheel assembly (rim and inflated tire laid flat) under the frame to catch the car if the jack slips again.
8. Never use hollow concrete cinder blocks or bricks to support a lifted vehicle. Concrete masonry blocks have high strength when stacked in walls but zero tensile strength against concentrated metal frame rails; they crumble explosively into powder without warning under the weight of a car.

flowchart TD
    Start["Person Pinned Beneath Collapsed Vehicle"] --> Chock["1. Call 911 / 112 / 999 on speakerphone<br/>2. Chock all grounded tires (front and back)<br/>3. DO NOT crawl under the unstable vehicle"]
    Chock --> AssessLocation{"Where is the vehicle resting, and how long have they been pinned?"}
    AssessLocation -->|"Chest, Neck, Head, or Upper Abdomen OR Pinned < 15 Minutes"| ImmediateLift["IMMEDIATE LIFE-SAVING LIFT REQUIRED<br/>(Traumatic asphyxia kills in 3 to 5 minutes)"]
    AssessLocation -->|"Legs or Pelvis Only, Breathing Normally, AND Pinned > 15 Minutes"| DelayedLift["CRUSH SYNDROME HAZARD<br/>1. Wedge solid wood or spare tire under frame so car cannot settle further<br/>2. DO NOT lift weight off crushed legs until paramedics arrive with IV medications<br/>3. Monitor breathing and keep victim calm"]
    ImmediateLift --> SafeJack["1. Position heavy floor jack under solid frame rail or pinch weld<br/>2. Lift an inch, crib an inch (slide stacked lumber or flat spare wheel under frame)<br/>3. Lift only 5 to 8 cm (2 to 3 in) above victim, lock on cribbing, and drag victim out by clothing"]
    SafeJack --> PostCare["Check breathing (start CPR if needed) and control external bleeding"]

Why vehicle jacks, stands, and improvised supports fail¶

Understanding why a vehicle dropped is critical so rescuers do not repeat the exact same mechanical failure while trying to lift the car off the victim:

1. Hydraulic floor jack and bottle jack failures¶

A hydraulic trolley floor jack or vertical bottle jack is strictly a lifting device, never a holding device. Inside the hydraulic cylinder, the entire weight of the vehicle rests on a column of hydraulic fluid sealed by synthetic rubber O-rings and a tiny steel check-valve ball bearing:

• Sudden seal blowout or bypass: If an aging rubber seal tears, dirt contaminates the release needle valve, or the overloaded relief valve pops open, hydraulic pressure drops to zero and the lifting arm plunges to the floor instantly.
• Rolling arc pull-off: As a wheeled floor jack raises a vehicle, the lifting saddle moves through a curved vertical arc. To prevent the saddle from sliding off the vehicle's jacking point, the floor jack's steel wheels must roll slightly inward toward the center of the car as the arm rises. If the floor jack wheels are blocked by a crack in the concrete, gravel, dirt, or plywood, the jack cannot roll inward; instead, the lifting saddle drags outward across the underbody until it slips off the frame rail and drops the car.

2. Roadside scissor jack and bumper jack rollover¶

The stamped-steel emergency scissor jack or single-arm mechanical jack included in a vehicle trunk is engineered strictly for brief roadside tire changes while nobody is beneath the car. It has a tiny base footprint (often less than 10 by 15 centimeters / 4 by 6 inches). If the parking brake is not fully engaged, the opposite wheels are not chocked, or the car is on a 2-degree driveway slope or soft warm asphalt, the car shifts horizontally by 3 centimeters (1.2 inches), tipping the scissor jack over like a domino.

3. Jack stand ratcheting pawl slip and asphalt sinkage¶

Even mechanical steel jack stands fail in three distinct ways:

• Unlocked ratchet pawls on cast-iron stands: On ratcheting tooth-style jack stands, if the upward-angled iron tooth of the saddle column is only resting on the very tip of the locking pawl (half-engaged between notches) or if someone kicks the release handle while sliding under the car, the column drops straight down to the base.
• Asphalt punch-through: Stamped sheet-metal jack stands have narrow bottom edges. On a hot summer day, blacktop asphalt driveways soften under solar heat; one narrow corner leg of the jack stand sinks 2 centimeters (0.8 inches) into the tar, tilting the stand past 15 degrees and dumping the frame rail off the saddle.
• Plastic drive-on service ramps: Molded composite plastic ramps can crack catastrophically in freezing winter temperatures, skid forward across smooth painted epoxy garage floors as the front tires try to climb them, or allow a vehicle to roll backward off the incline if the rear tires are not chocked.

4. The lethal myth of concrete cinder blocks and clay bricks¶

Every year, home mechanics die after propping a vehicle up on hollow concrete masonry units (cinder blocks) or red clay bricks. Hollow concrete blocks are engineered to withstand uniform compressive loads only when stacked vertically with mortar spreading the load across their top webs. When a narrow steel suspension arm or pinch weld rests across a cinder block (especially a block laid on its side with the hollow cores horizontal), the point load exceeds the brittle tensile strength of the concrete, causing the block to shatter explosively into dust without a single cracking sound beforehand.

Step-by-step rescue protocol: How to stabilize and lift a vehicle safely¶

When you discover someone pinned beneath a vehicle in a garage, driveway, or roadside shoulder, panic drives bystanders to make fatal mistakes: either crawling under the car, trying to deadlift a 1,800-kilogram (4,000-pound) bumper by hand and herniating their own spine while jostling the car deeper onto the victim, or pumping up a flimsy scissor jack without chocking the wheels, causing the car to roll off the second jack and crush the victim's skull.

Follow this exact sequence used by fire department heavy technical rescue teams, adapted for garage and roadside equipment:

Step 1: Immediate scene assessment and wheel chocking (First 30 seconds)¶

1. Call 911 / 112 / 999 on speakerphone: Give the exact street address and state clearly: "A person is pinned underneath a collapsed vehicle." Fire departments dispatch a Heavy Rescue or Squad company equipped with high-pressure pneumatic lifting bags (airbags), hydraulic spreaders/rams, and timber box cribbing.
2. Talk to the victim immediately without touching the car: Ask: "Can you breathe? Where is the car pressing on you?"
3. If the victim can speak in full sentences and says the car is pinning their legs, hips, or an arm, you have time to chock and crib methodically (and if they have been trapped for over 15 minutes, you must not lift the weight off their legs until paramedics arrive; see the Crush Syndrome section below).
4. If the victim is silent, gasping, turning blue/purple in the face and neck, or pinned across the chest, neck, or head, you must get the weight off their chest within 2 to 3 minutes to prevent hypoxic brain death.
5. Chock every tire still on the ground (Both front and back of the tire): Grab anything solid within 5 seconds of reach (firewood logs, heavy timber 4x4s, wheel chocks, toolboxes, or even cinder blocks wedged against the rubber tire tread, the only safe place for a cinder block is wedged on the ground against a rubber tire to stop rolling, never under the metal car). Chock both the uphill and downhill sides of at least two grounded wheels.
6. Check the parking brake and transmission ONLY if you can reach through an open window without shaking the car: Never climb into the driver's seat of a vehicle resting on a victim (your 80 kilograms / 175 pounds of body weight and the rocking of the suspension will crush the victim further). If the driver's window or door is already open and you can reach in with one arm to pull the handbrake or press the electronic parking brake button without rocking the chassis, do so.

Step 2: Fill the void ("Capture the load") before lifting¶

Before you start pumping a jack, look at the gap between the vehicle's side rocker panel (door sill), subframe, or suspension arm and the garage floor:

• Wedge solid support into the existing gap immediately: Slide a stack of flat wooden boards (2x4s, 2x6s, firewood, thick plywood sheets) or a jack stand set at its lowest height snugly under the vehicle's frame rail right now. That way, if the vehicle shifts while you are positioning your jack, it cannot drop a single millimeter lower onto the victim's chest.

Step 3: Position the jack on a solid foundation and structural frame point¶

1. Create a solid base if on dirt, gravel, grass, or hot asphalt: If the vehicle is not on a solid concrete slab, place a wide, thick piece of 19-millimeter (¾-inch) plywood, a solid wooden plank, or a heavy flat steel plate on the ground underneath the jack so the jack cannot sink into the earth or tilt as it takes the weight.
2. Place the jack saddle under a structural steel lift point: Look along the bottom edge of the car behind the front wheel or in front of the rear wheel for the notched pinch-weld jacking flange, the heavy steel frame rail (on trucks and SUVs), the front crossmember/subframe, or the lower control arm mount.
3. Never place a jack under plastic body skirts, the sheet-metal passenger floorboards, the aluminum engine oil pan, or the thin fuel tank. Jacking on the thin sheet-metal floorpan punches the jack straight up through the carpet without lifting the suspension or frame off the victim, while jacking on a cast-aluminum oil pan cracks the pan and dumps slippery motor oil across the floor.

Step 4: Execute "Lift an Inch, Crib an Inch"¶

Never pump a jack up 15 centimeters (6 inches) in a hurry and tell someone to reach in and pull the victim out while the car balances on a single hydraulic piston:

1. Assign one person to pump the jack and a second person to manage the cribbing (keeping hands OUT from under the frame):
2. Lift 2 to 3 centimeters (1 inch) at a time: As the jack raises the vehicle slightly, the second rescuer uses a long board or tool handle to push another flat wooden plank (2x4, 2x6, or 4x4) on top of the cribbing stack beneath the frame rail, or clicks an adjacent steel jack stand up one notch.
3. Slide an inflated spare tire (mounted on its wheel) flat under the side sill as soon as clearance allows: A standard inflated car tire mounted on its steel or alloy rim is roughly 18 to 23 centimeters (7 to 9 inches) thick when laid flat on its sidewall. It will never shatter, tip over, or collapse under a passenger vehicle. If you have a spare tire in the trunk (or a removed wheel sitting right next to the victim from the brake job they were performing), slide that wheel flat underneath the rocker panel or frame as soon as the gap is wide enough.
4. Stop lifting as soon as the vehicle is 5 to 8 centimeters (2 to 3 inches) clear of the victim's body: Do not try to jack the car up as high as possible. The higher a jack extends, the more unstable the vehicle becomes and the more likely it is to tip sideways off the jack. You only need enough vertical clearance to slide the victim out across the floor.
5. Lower the vehicle gently by 5 millimeters onto your solid cribbing stack or jack stands, or leave both the jack and tight cribbing engaged, then drag the victim out: Grip the victim by the shoulders of their jacket/shirt, under their armpits, or by their belt/pants cuffs (keeping their head and neck aligned in a straight line) and slide them straight out from under the vehicle without placing your own torso under the car.

Asphyxie traumatique vs. Crush reperfusion syndrome: Miniti 15 sariya¶

Ni aw ye furakɛli kɔrɔtɔko fila faamuya minnu bɛ sɔrɔ mobili piniw fɛ, aw bɛna a dɔn mun na disi pini bɛ kɛ ka kɔrɔta teliya la ka sɔrɔ sen pinɛli ka jan, o bɛ furakɛlikɛlaw makɔnɔ:

1. Asphyxie traumatique (Disi walima kɔ digidigi ni masin ye) .¶

Ni mobili duguma, diferential so walima pankurun bɛ lafiɲɛ mɔgɔ disi kogo, a kɔkolo walima a kɔnɔbara sanfɛla la, a tigi tɛ se k’u barajuru bonya ka kɛɲɛ ni kilo 500 fo 1500 doni ye:

• Ratcheting suffocation mechanism: Ni a tigi kulela walima ka ninakili bɔ, u kɔkili bɛ digi dɔɔni, wa girinya bɛ kɛ sababu ye ka mobili jɔli resɔrɔnw bonya ka taa duguma ka tugu disi kɔ ka jigin, ka kɛ i n’a fɔ sira kelen sɔgɔli (i n’a fɔ boa constrictor tigitigi) o la a tigi tɛ se ka fiɲɛ sama tugun abada.
• Dɔgɔtɔrɔso taamasiɲɛ kɔrɔlenw: Joli kɔ-tansiyɔn jugumanba min bɛ bɔ disi degunnen na, o bɛ joli bɔli fanga la ka segin kɔfɛ ka taa sanfɛ joli-sira-funu na ka don kunkolo ni kɔ la (minnu tɛ ni joli sira kelen ye). Jatigɛwalekɛla ɲɛda, a kɔ ani a sanfɛla kamankunw bɛ kɛ bulama dibiman ye (cervicofacial cyanosis), u ɲɛw bɛ kɛ joli ye ni ɲɛdawolo jukɔrɔ joli bɔli ye, ani nɔ bilenmanw (petechiae) bɛ bɔ ɲɛda ni disi sanfɛla fari la.
• Fɛɛrɛ min bɛ kɛ teliya la bɔli kɔfɛ: Ni i ye mɔgɔ min disi sirilen don, o sɔgɔ ka bɔ mobili jukɔrɔ o yɔrɔnin bɛɛ, aw bɛ a lajɛ ni ninakili bɛ cogo la. Ni u hakili tɛ a la ani ni u tɛ ninakili (walima ni u bɛ fiɲɛ bila tuma dɔw la dɔrɔn), aw bɛ bolo dɔrɔn walima CPR kɛcogo kɔrɔ daminɛ joona; ka ye CPR (CPR) ye. Hali ni kɔkili caman karilen don mobili fɛ, disi degunni ni kisi ninakili dɔrɔn de ye oksizɛni seginni fɛɛrɛ ye kunsɛmɛ ni dusukun na.

2. Crush reperfusion syndrome ("Smiling death") ni bolokɔni/senkɔni sirili ye waati jan kɔnɔ¶

A ka kɛ ko mekanikinikɛla dɔ tun bɛ ka kɔfɛ freinw walima fɛnɲɛnamafagalan dɔ Changer, tuma min na mobili sɛgɛnna, ka a cɛmancɛ kelen walima a fila bɛɛ walima a duguma senkɔni siri bɛton duguma, ka u disi ni u kunkolo to yen pewu. Ikomi u bɛ se ka ninakili cogo bɛnnen na, u bɛ se ka to u hakili la ani ka kuma miniti 30, 45 walima 60 kɔnɔ sani mɔgɔ dɔ ka u kulekan mɛn walima sani kisibagaw ka jaki gɛlɛn dɔ sɔrɔ:

1. Min bɛ kɛ farikolomugu mugulen kɔnɔ miniti 15 kɔfɛ: Mobili girinyaba bɛ joli siraw joli bɔli dabila pewu ka don cɛya ni kɔkolo farikolo belebelebaw la. Ni oksizɛni tɛ u la, kolotugudaw bɛ kari ka kari (rabdomyolyse traumatique), ka potassium, myoglobine (farikolo furakisɛ bilenman dibiman dɔ), asidi laktiki ani fosiporozɛni hakɛ caman bɔ senw ka joli siraw dilancogo la min sirilen don. Ni mobili bɛ ka digi hali bi a cɛmancɛ la, a bɛ kɛ i n’a fɔ masin sirilan min bɛ o baga fagalenw to u ka siri senw kɔnɔ.
2. Mun na fɛn kɔrɔta barikama bɛ banabagatɔ faga: Ni sigiɲɔgɔn minnu ŋaniya ka ɲi, olu sera yen miniti 30 kɔfɛ, ka mobili jabɔ o yɔrɔnin bɛɛ ka bɔ mekanikinikɛla cɛmancɛ la, a ka teli ka nisɔndiya ani ka barika da u ye barisa dimi bɛ dɔgɔya ("saya nisɔndiyalen"). Seginnkanni damadɔw o kɔfɛ, balawu fila bɛ kɛ waati kelen na:
3. Joli hakɛ min bɛ lamini fo ka se litiri 2 fo 4 ma, o bɛ barika bɔ ka bɔ cɛmancɛ la ka taa senw ka joli-sira-funu-yɔrɔw la minnu bɛ ji bɔ, minnu mugulen don (o bɛ kɛ sababu ye ka joli-sira-funu jugumanba bila mɔgɔ la).
4. Joli belebeleba dɔ min falen bɛ potasiyɔmu ni asidi laktiki la, o bɛ bɔ senw na ka taa ɲɛfɛ jolisira duguma fɛ ka taa dusukun kinin fɛ, o bɛ kɛ sababu ye ka kɔnɔnatumu jugumanba (cardiac arrest) faga min bɛ mɔgɔ faga sekɔndi 60 fo 180 kɔnɔ.
5. Ni mɔgɔ min hakili bɛ a la, min bɛ ninakili, o sirilen don a senw/a senw na ka tɛmɛ miniti 15 kan:
6. Aw bɛ wedge cribbing kɛ mobili jukɔrɔ o yɔrɔnin bɛɛ walasa a kana se ka jigin ka taa a fɛ, ani ni a mago bɛ a la, aw bɛ mobili jack sanfɛ ni santimɛtɛrɛ 1 ye dɔrɔn walasa ka ka caya ressort tansiyɔn bɔ, nka aw kana girinya mugucilen bɔ senw na pewu fo ni advanced life support (ALS) furakɛlikɛlaw ka kɛ yɔrɔ la.
7. Furakɛlaw bɛna jolisira belebelebaw (IV) tigɛli daminɛ sani mobili ka kɔrɔta, ka saline normal litiri 1 fo 2 don a la walasa ka joli hakɛ caya, ani ka bicarbonate de sodium, gluconate de calcium/chloride, ani albuterol fiyɛlen don joli la walasa ka dusukun fasa tanga potasiyɔmu wulicogo ma, tasumako ɲɛmɔgɔso bɛ mobili kɔrɔta waati tigitigi min na ka ye joginni min bɛ kɛ ni fɛn dɔ ye min bɛ mɔgɔ sɔgɔsɔgɔ ani min bɛ wele ko compartiment syndrome.

Farati filanan minnu bɛ mobili binna jukɔrɔ¶

Ni aw bɛ kisili ɲɛnabɔ, aw bɛ teliya ka a lajɛ ni farati filanan saba bɛ se ka mɔgɔ faga mobili lamini na:

1. Motɛri bolicogo ni gazi monokisidi baga: Ni motɛri tun bɛ baara la garazi kɔnɔ ni mobili binna, fiɲɛbɔlanw bɛ teliya ka ninakiliyɔrɔ fa duguma ni gazi monokisidi (CO) ye, ka a tigi jeni ka a kɛ katalitiki fɛn funteniman ye (degere 400 fo 800 / degere 750 fo 1500 Fahrenheit). Aw bɛ garazi da wuli kosɛbɛ ka aw bolo don bolifɛntigi ka finɛtiri fɛ walasa ka tasumamugu OFF; ka ye gazi monoksidi.
2. Nɛnɛbɔlan funteniman walima radiyatɛri nɛnɛma jeni: Ni fiɲɛbɔlan bɛ ka jeni ka don mɔgɔ minɛlen fari la walima ni bɔgɔdaga sɔgɔlen dɔ bɛ ka nɛnɛmadafura jenilen fiyɛ u kan, aw bɛ nakɔjibɔlan kɛ baji nɔgɔman dɔ kan walasa ka nɛgɛ ni fari jenilen nɛnɛ joona ka ye a bɛ jeni.
3. Esans layini tiɲɛnen walima batiri tiɲɛni: Ni jack stand dɔ sɔgɔra fɛnɲɛnamafagalan kɔnɔ walima ka don kuran mɔbili ka batiri litiyamu-ion kɔnɔ, aw bɛ tasumabɔlanw bɔ yen joona, ka tasumafagalan labɛn, ka tasumafagalanw lasɔmi minnu bɛ gɛrɛ ka ye litiyamu-ion batiri bɛ tasuma don.

Sɛgɛsɛgɛli sɛbɛn: Cogo min na i tɛ se ka siri mobili jukɔrɔ abada dilan waati¶

Sani aw ka aw farikolo yɔrɔ dɔ bila mobili kɔrɔtalen dɔ jukɔrɔ, aw bɛ fɛn o fɛn sɛgɛsɛgɛ nin lakana sɛgɛsɛgɛli sɛbɛn wɔɔrɔ kɔnɔ:

• Aw bɛ baara kɛ yɔrɔ flakɛlen, yɔrɔ jɛlen, yɔrɔ gɛlɛn dɔrɔn de kan: Aw kana mobili ja wuli abada bolifɛnw dondaw la, bin, bɔgɔ, walima kabakurun. Asfalt sumalen walima nɔgɔ gɛlɛn kan, aw bɛ plywood pankurunw walima nɛgɛdaga dɔw bila jaki ni jaki jɔyɔrɔ fila bɛɛ jukɔrɔ, minnu bonya ye milimɛtɛrɛ 19 ye.
• Aw bɛ parking frein sigi ani ka pankurunw sɔgɔ minnu bɛ duguma, aw bɛ olu sɔgɔ fan FILANAN na: Aw bɛ lastikuw walima jiri sɔgɔlanw bila duguma pankurunw ɲɛfɛla ni kɔfɛla la ka ɲɛ sani aw ka mobili kɔrɔta.
• Aw bɛ mobili dɛmɛ nɛgɛso jɔlan fila kan minnu bɛ bɛn ɲɔgɔn ma: Aw kana don abada mobili jukɔrɔ min bɛ dɛmɛ ni ji walima sizo ja dɔrɔn ye. Aw bɛ mobili jigin jack stands rated kan frame rails walima pinch welds dantigɛlenw jukɔrɔ, ani ka nɛgɛdaga filananw don a kɔnɔ.
• Aw bɛ ji-jaki kɔrɔta dɔɔni i n’a fɔ kɔkanna-ɲɔgɔn-yɔrɔ: Aw kɛlen kɔ ka mobili jigin jaki jɔyɔrɔw kan, aw bɛ duguma-jaki pɔnpe sanfɛ fo a ka sɛgɛnlafiɲɛbɔlan ka maga nɔgɔya la karamɔgɔya crossmember la i n’a fɔ dɛmɛ sabanan min tɛ kɛ.
• Aw bɛ wotoro bɔlen (walima pankurunba) sɔgɔ kɛrɛfɛ kɛrɛfɛla jukɔrɔ: Tuma o tuma ni aw bɛ wotoro bɔ, aw b’a da a kɛrɛfɛla kan ka a da frame rail walima rocker panel jukɔrɔ aw farikolo kɛrɛfɛ. Ni jɔyɔrɔw ma ɲɛ, mobili bɛ bin wotoro kan min janya ye santimɛtɛrɛ 20 ye, i disi nɔ na.
• Aw bɛ gɛlɛya sɛgɛsɛgɛli kɛ ni fanga ye sani aw ka wuluwulu a jukɔrɔ: Aw bɛ aw jɔ mobili kɔrɔtalen na ani ka aw gɛrɛ kosɛbɛ fender walima bumper la walasa ka a lajɛ ni jɔyɔrɔw sigilen don kosɛbɛ sani aw ka sɛgɛn chassis jukɔrɔ.

Ɲininkali minnu bɛ kɛ tuma caman na¶

Mun na bɔgɔdaga sɔgɔlenw bɛ kari k’a sɔrɔ u ma lasɔmi mobili jukɔrɔ?¶

Bɛton kabakurunw (cinder blocks) bɛ dilan ni Portland siman karilen ye ani aggregate minnu dilannen don dɔrɔn walasa ka degun jɔlen tila-tila cogo kelen na ka tɛmɛn boon kogo kan min dilannen don ni nɛgɛ ye. U bɛ se ka girinya zeru walima u sɔgɔli fanga la ni u kɛra doni ye min bɛ kɛ yɔrɔ la, i n’a fɔ nɛgɛso nɛgɛbere fitinin, a ɲɛminɛ bolo, walima aksidan tube min bɛ lafiɲɛ bloki cɛmancɛ la. Farati min ka bon kosɛbɛ, o ye ko ni mɔgɔw bɛ cinder bloki dɔ wuli a kɛrɛ fɛ walasa dingɛ kɔnɔna dingɛw ka boli ka taa tilennen na, bɛton nɛgɛ finman minnu janya ye santimɛtɛrɛ 2,5 ye, olu bɛ degunba sɔrɔ ka kɔrɔta, wa u bɛ kari yɔrɔnin kelen ka kɛ mugu ye k’a sɔrɔ lasɔmini mankan walima kari si ma kɛ, ka mobili girinya bɛɛ jigin mɔgɔ kan min bɛ a jukɔrɔ.

Ni mɔgɔ dɔ sirilen bɛ mobili jukɔrɔ a senw fɛ ani ni a bɛ se ka ninakili ka ɲɛ, mun na ka mobili kɔrɔta o yɔrɔnin bɛɛ la, o bɛ se k’a faga?¶

Ni girinya girinman ye farikolo yɔrɔbaw mugumugu i n’a fɔ cɛya walima cɛya ka tɛmɛ miniti 15 kan, farikolokisɛ minnu ma sɔrɔ, olu bɛ tiɲɛ (rabdomyolyse) ka potasiyɔmu, miyɔglobini ani asidi laktiki hakɛ caman bɔ joli jɔlen na min sirilen bɛ senw kɔnɔ. Ni mobili bɛ ka digi senw kan tuma min na, o kemikɛlifɛn fagalenw bɛ to u dan na a sɔgɔyɔrɔ jukɔrɔ. Ni kisibagaw barila ka mobili ja wuli miniti 20 walima 30 kɔfɛ, ni dɔgɔtɔrɔso baarakɛlaw tɛ yen, joli bɛ boli ka segin senw tiɲɛnenw na (o bɛ kɛ sababu ye ka tansiyɔn jigin yɔrɔnin kelen) ka sɔrɔ potasiyɔmu camanba dɔ bɛ bɔ senw na ka taa dusukun na, o bɛ kɛ sababu ye ka dusukun tantanni faga miniti damadɔ kɔnɔ (a bɛ fɔ a ma ko crush reperfusion syndrome walima “smiling death”). Aw bɛ mobili sabati walasa a kana sigi ka taa a fɛ, ani ka furakɛlikɛlaw makɔnɔ u ka joli ni dusukun tanga furaw di a ma sani aw ka wuli.

Du kɔnɔfɛn jumɛn ka fisa ka sɛgɛn mobili jukɔrɔ ni i b’a ja bɔ mɔgɔ minɛlen dɔ kan ni jaki jɔyɔrɔw t’i bolo?¶

Pneu de rechange min fiyɛlen don, n’a sigilen bɛ a nɛgɛ walima a ka nɛgɛbere kan (walima wotoro o wotoro min bɔra mobili kɔnɔ kaban) n’a bilalen bɛ a kɛrɛfɛla la kɛrɛfɛla jiginni panneau walima frame rail jukɔrɔ, o ye dɛmɛ ye min bɛ se ka teliya, min barika ka bon kosɛbɛ, min bɛ sɔrɔ garazi walima bagasi bɛɛ kɔnɔ. Mobili wotoro lajɛlen min bɛ sigi, o janya bɛ se santimɛtɛrɛ 18 fo 23 ma, a ka bon dɔɔnin ka tɛmɛ baliku disi digilen kan, wa a bɛ se ka kilo 5000 ni kɔ dɛmɛ nɔgɔya la, k’a sɔrɔ a ma mugumugu walima ka wuli. Aw bɛ wotoro fla ni yiri gɛlɛnw fara ɲɔgɔn kan (i n’a fɔ jiribolo 2x4, 2x6 walima 4x4, walima tasumamugu gɛlɛnw) minnu bɛ gɛrɛ dɔɔni dɔɔni karamɔgɔ jukɔrɔ ni aw bɛ mobili jack san fɛ.

Mun na ji-jaki min bɛ ni wotoro ye, o bɛ mobili sama tuma dɔw la ka bɔ a ka jaki jɔyɔrɔw la kɛrɛfɛ k’a to a kɔrɔtalen na?¶

The lifting arm of a hydraulic trolley floor jack pivots from the back of the jack body, which means the lifting saddle travels in a curved arc, moving both upward and slightly backward toward the handle as the car rises. For the saddle to stay centered underneath the car's frame rail, the floor jack's four steel caster wheels must roll freely inward underneath the car as you pump the handle. If the jack wheels get stuck in gravel, dirt, soft asphalt, or a concrete expansion joint, the jack cannot roll inward; instead, the rising arm pulls the entire vehicle horizontally toward the jack until the opposite side of the car tips off its jack stand.

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This guide provides emergency rescue and first aid procedures for vehicle collapse accidents and does not replace professional technical rescue or clinical care. Consider taking a certified first aid and CPR course from the Red Cross, St John Ambulance, or a local emergency medical training provider.

Gafe minnu bɛ tali kɛ o ko la¶

• Crush joginni ani compartiment syndrome
• Changing a flat tire and tire pressure
• CPR: cardiopulmonary resuscitation
• Joli jugumanba ani tourniquet kɛli
• Carbon monoxide poisoning
• Spinal injuries: immobilization and care

Sosow sɛgɛsɛgɛra¶

• American Society of Mechanical Engineers (ASME, United States): Safety Standard for Portable Automotive Service Equipment (ASME PASE, covering hydraulic service jacks, jack stands, and vehicle ramps)
• Health and Safety Executive (HSE, United Kingdom): Safe Work Under Vehicles in Motor Vehicle Repair (MVR) and Prevention of Crush Injuries from Collapsed Jacks (INDG434 / HSG261)
• Consumer Product Safety Commission (CPSC, United States) and National Highway Traffic Safety Administration (NHTSA, United States): Jack Stand Failure Recalls and Home Mechanic Vehicle Support Safety Alerts
• National Association of Emergency Medical Technicians (NAEMT, United States): Prehospital Trauma Life Support (PHTLS) Guidelines on Traumatic Asphyxia and Crush Syndrome Resuscitation
• National Fire Protection Association (NFPA, United States): Standard for Technical Rescuer Professional Qualifications (NFPA 1006, Vehicle Extrication and Structural Cribbing Principles)