Aralin 1Thermal na pag-uugali at mga sanhi ng pag-overheat sa panahon ng charge: internal resistance, ventilation, charger profiles, epekto ng ambient temperatureTinatatrabaho kung paano umiinit ang traction battery sa panahon ng pag-charge, na nakatuon sa internal resistance, charger profiles, airflow, at ambient temperature. Binibigyang-diin ang pagkilala sa abnormal na mga trend ng pag-init at pagtatakda ng ligtas na limitasyon upang maiwasan ang pinsala o thermal na mga pangyayari.
Internal resistance at heat generationImpluwensya ng charger current profilesPapel ng ventilation at airflow pathsAmbient temperature at seasonal na epektoPagkilala sa abnormal na temperature riseAralin 2Recordkeeping at battery lifecycle management: serial tracking, warranty claims, replacement planning, at ROI para sa battery replacement vs. refurbishmentTumatugon sa pagtatrabaho ng mga battery sa buong lifecycle gamit ang serial numbers, logs, at software. Ipinaliliwanag ang pagdokumenta ng mga pagkabigo, pagsuporta sa warranty claims, pagpaplano ng mga pagpapalit, at paghahambing ng gastos at ROI ng mga bagong battery laban sa refurbishment.
Serial number at asset ID trackingLogging faults, tests, at repairsPagsuporta sa warranty at service claimsPagpaplano ng replacements at spare poolsROI ng replacement versus refurbishmentAralin 3Daily at shift-level battery inspection checklist: visual checks, terminal condition, vent caps, electrolyte level (kung naaangkop), at physical damage indicatorsNagbibigay ng praktikal na daily at shift-level na routine ng inspeksyon para sa traction battery. Sumasaklaw sa visual checks, terminals, vent caps, electrolyte levels, cables, at housings, na tumutulong na mahuli ang pinsala o leaks bago sila magdulot ng pagkabigo o pinsala.
Pre-shift visual walk-around stepsPagsusuri ng terminals at connectorsPagsusuri ng vent caps at traysPag-verify ng electrolyte levels nang ligtasPagkilala sa leaks at case damageAralin 4Mga uri ng traction battery na ginagamit sa forklift (lead-acid, AGM, gel, lithium-ion): chemistry, nominal voltages, capacities, at discharge characteristicsNagpapakilala sa mga pangunahing traction battery chemistries na ginagamit sa forklift, kabilang ang flooded lead-acid, AGM, gel, at lithium-ion. Naghahambing ng nominal voltages, capacities, discharge curves, at tipikal na aplikasyon, na nagbibigay-diin sa pros, cons, at mga pangangailangan sa kaligtasan.
Flooded lead-acid construction basicsAGM at gel sealed battery featuresLithium-ion modules at BMS roleVoltage, capacity, at pack layoutsDischarge curves at use casesAralin 5Battery maintenance tasks at schedules: watering, cleaning terminals, torqueing connections, charge cycle logging, calendar vs. cycle maintenanceNagbubuo ng routine na traction battery maintenance tasks at schedules. Kabilang ang watering, cleaning, torque checks, at logging ng charge cycles, na naghahambing ng calendar-based at cycle-based na mga plano upang pahabain ang buhay at bawasan ang unplanned downtime.
Watering intervals at safe methodsCleaning cases, tops, at terminalsTorque checks sa lugs at busbarsLogging charge at discharge cyclesCalendar versus cycle-based planningAralin 6Pag-manage ng overheating at charging faults: detection, immediate actions, charger fault codes, thermal management, at cooling strategiesSumasaklaw sa detection ng overheating at charge faults gamit ang sensors, charger displays, at fault codes. Nagdedetalye ng immediate safe responses, lockout steps, at praktikal na thermal management at cooling methods upang protektahan ang mga battery at malapit na kagamitan.
Typical charger at battery fault symptomsPagbasa at pag-interpret ng charger fault codesImmediate shutdown at lockout actionsPaggamit ng fans, spacing, at cooldown periodsKailan alisin ang battery mula sa serbisyoAralin 7Battery specifications at ratings: C-rate, ampere-hour (Ah), state of charge (SoC), depth of discharge (DoD), at expected runtime calculationsIpinaliliwanag ang mga pangunahing battery ratings na ginagamit sa forklift nameplates at datasheets, kabilang ang C-rate, ampere-hours, state of charge, at depth of discharge. Ipinapakita kung paano mag-estimate ng expected runtime at i-match ang mga battery sa truck duty cycles.
Pagbasa ng battery labels at nameplatesC-rate at epekto nito sa runtimeAmpere-hour capacity at sizingState of charge at depth of dischargeRuntime estimation para sa duty cyclesAralin 8Safe handling, spill/leak response at disposal: PPE para sa acid at lithium incidents, neutralization, spill containment, at local hazardous waste rulesNagdedetalye ng safe handling ng traction battery, kabilang ang PPE, lifting, at transport. Sumasaklaw sa acid at electrolyte spills, lithium leaks, neutralization, containment, cleanup, at pagsunod sa local hazardous waste at recycling regulations.
Required PPE para sa acid at lithium risksSafe lifting, moving, at storageAcid spill neutralization proceduresContainment at cleanup materialsDisposal at recycling regulationsAralin 9Charging area layout at safety rules: ventilation, signage, fire suppression considerations, separation distances, grounding at cable routingSumasaklaw sa safe design at operation ng charging areas, kabilang ang ventilation, signage, fire protection, at separation distances. Tumatugon sa grounding, cable routing, eyewash at shower placement, at paglayo ng ignition sources.
Ventilation at hydrogen dilution needsRequired signage at access controlFire suppression at extinguisher typesSeparation mula sa offices at trafficGrounding, cabling, at trip hazardsAralin 10Relevant standards at sources: manufacturer battery manuals, OSHA/NFPA guidance para sa battery rooms, at battery manufacturer safety bulletinsNagbubuod ng mga pangunahing standards at guidance na nakakaapekto sa traction battery rooms at charging areas. Sinusuri ang manufacturer manuals, OSHA at NFPA expectations, at safety bulletins, na nagpapakita kung paano hanapin, interpretuhin, at i-apply ang mga ito sa site.
Paggamit ng manufacturer battery manualsOSHA rules para sa charging operationsNFPA guidance para sa battery roomsPaghanap ng safety bulletins at updatesPagdokumenta ng site compliance stepsAralin 11Pag-handle ng low runtime at capacity fade: diagnosing sulfation, cell imbalance, parasitic loads, at end-of-life criteriaNakatuon sa diagnosing ng maikling runtime at capacity loss sa traction battery. Sinusuri ang sulfation, cell imbalance, parasitic loads, at end-of-life indicators, na nag-uugnay ng test data sa praktikal na desisyon sa repair, reconditioning, o replacement.
Pagkolekta ng runtime at charge historyPagkilala sa sulfation at undercharge patternsPag-detection ng weak o imbalanced cellsPaghanap ng parasitic loads sa parked trucksEnd-of-life criteria at replacement callsAralin 12Battery charging systems at safe charging practices: charger types, charge algorithms, float vs. fast charge, equalization chargingIpinaliliwanag ang forklift battery charging systems, kabilang ang conventional, opportunity, at fast chargers. Sinusuri ang charge algorithms, equalization, float modes, at safe practices na nag-iwas sa overcharge, gassing, at premature battery wear.
Conventional, opportunity, at fast chargersCharge stages at control algorithmsEqualization charge goals at timingFloat charging at storage practicesPag-iwas sa overcharge at gassingAralin 13Periodic battery testing at diagnostics: specific gravity/hydrometer testing, conductance/impedance testing, capacity tests, voltage under loadNaglalarawan ng routine at advanced na traction battery tests, kabilang ang specific gravity, conductance, impedance, at capacity checks. Ipinaliliwanag ang voltage under load at kung paano interpretuhin ang mga resulta upang makita ang weak cells, imbalance, o hidden defects nang maaga.
Safe sampling para sa specific gravity testsOpen-circuit at loaded voltage checksConductance at impedance test basicsFull capacity at discharge testingPag-interpret ng test trends sa paglipas ng panahon
