Real PM procedures with intervals, time estimates, and step-by-step checklists — the same ones ChatterFix schedules on your equipment when you pick your industry. Free to read, no signup.
Interval-based work that keeps equipment running. Each page covers the procedure, the failure mode it prevents, and how to reason about the interval.
Modern diesel aftertreatment is the most common source of derates and unplanned downtime in a contemporary fleet. Ash accumulates in the filter regar…
Fleet & Vehicle MaintenanceFilters are the cheapest maintenance in the building and the most consequential when skipped. A loaded filter starves airflow, which drops capacity, …
Facilities & Property ManagementHVAC & Building Services ContractorsHospitality & HotelsEducation & Campus FacilitiesPlayground and athletic equipment fails in ways that injure children specifically: entrapment gaps that a head or limb fits into, protrusions that ca…
Education & Campus FacilitiesA backflow preventer keeps building water — irrigation, boiler treatment, fire system — out of the public supply. It is one of the few facilities tas…
Facilities & Property ManagementThe battery fleet is what your forklift fleet runs on, and lead-acid charging produces hydrogen. So this PM covers two very different risks at once: …
Warehousing & DistributionCombustion tuning is where boiler efficiency and boiler safety meet. A burner drifting rich wastes fuel every hour it runs and produces carbon monoxi…
Facilities & Property ManagementHVAC & Building Services ContractorsBreweries & DistilleriesTextiles & ApparelEducation & Campus FacilitiesBrakes are the single largest category of out-of-service violations in roadside inspections, and pushrod stroke beyond the adjustment limit is the mo…
Fleet & Vehicle MaintenanceThe brewhouse is where recipe becomes wort, and almost everything that goes wrong with it is thermal or mechanical rather than dramatic. A scaled ste…
Breweries & DistilleriesBuilding automation is the one system where the maintenance record and reality drift apart without anything breaking. A sensor reads three degrees hi…
HVAC & Building Services ContractorsEducation & Campus FacilitiesClean-in-place is only as good as its instrumentation. If the temperature probe or the conductivity sensor is out of calibration, the cycle reports a…
Food & Beverage ManufacturingBreweries & DistilleriesThe calibrator sets final profile dimensions. Blocked water slots and weak vacuum let the profile relax before it sets, and the result is out-of-spec…
Vinyl & Profile ExtrusionA chiller is usually the single most expensive asset a contractor touches, and it degrades along axes that never show up on the control panel. Conden…
HVAC & Building Services ContractorsThe harvest window is fixed by the crop and the weather, and a combine is a single point of failure inside it. A breakdown does not cost machine hour…
Agriculture & FarmingHotel laundry runs near-continuously, and its two failure modes are expensive in different ways. Lint accumulation in dryer ducts and cabinets is a g…
Hospitality & HotelsConveyor bearings in a wet, wash-down environment fail far faster than their catalogue life. A seized bearing does not just stop the line — in a food…
Food & Beverage ManufacturingAutomotive & Metal FabricationPrinting & PackagingTextiles & ApparelIn a distribution centre nothing fails in isolation. A seized idler wears a groove in the belt, the belt mistracks, and eventually a tear takes a who…
Warehousing & DistributionA cooling tower is warm, wet, and aerated — ideal conditions for Legionella. Water treatment is therefore a public health control before it is a main…
Facilities & Property ManagementHVAC & Building Services ContractorsA federally mandated inspection every commercial vehicle must pass annually. It is not optional, and the decal is what a roadside officer looks for first.
Fleet & Vehicle MaintenanceRotary die cutting depends on a precise relationship between rule height and anvil surface. The anvil grooves where the rule strikes it, and the natu…
Printing & PackagingDegraded polymer builds up in the die's low-flow zones and periodically releases into the melt stream. That is where die lines and a large share of g…
Vinyl & Profile ExtrusionThe leveler carries a loaded forklift across the gap between building and trailer. Hydraulic failure under that load is a serious injury risk, not ju…
Warehousing & DistributionA dust collector handling metal fines is a vessel containing a combustible dust cloud by design. Everything about its maintenance is deflagration con…
Automotive & Metal FabricationShade reproducibility depends on the dye liquor contacting the fabric evenly at a controlled temperature, which means the circulation pump and the he…
Textiles & ApparelElevator maintenance is usually contracted out, which makes the monthly check a verification task rather than a repair task: confirming the contracto…
Facilities & Property ManagementHospitality & HotelsEducation & Campus FacilitiesA standby generator is bought entirely for the day it is needed, and the most common failure is a unit that will not start or will not carry load. Ru…
Facilities & Property ManagementHospitality & HotelsEducation & Campus FacilitiesMunicipal & Public WorksOil service is the highest-leverage maintenance on any vehicle, and the sample matters more than the change. Analysis catches coolant intrusion, fuel…
Fleet & Vehicle MaintenanceMunicipal & Public WorksAgriculture & FarmingStainless is only stainless while its passive layer is intact. Chlorides, aggressive cleaning chemistry and mechanical damage strip it, and the expos…
Breweries & DistilleriesForklifts run in the worst conditions of any vehicle in the fleet and are scheduled on engine or battery hours, not distance. Mast chains stretch und…
Fleet & Vehicle MaintenanceA fume hood is engineered containment: it protects the person at the sash by pulling contaminated air away at a specified face velocity. Too low and …
Education & Campus FacilitiesThe oil sample matters more than the oil change. Metal particles in an extruder gearbox are an early warning of bearing or gear-tooth distress, and t…
Vinyl & Profile ExtrusionFermentation temperature is a recipe parameter, not a comfort setting — a few degrees changes the ester profile and therefore the flavour. Glycol is …
Breweries & DistilleriesA grain dryer is a large burner blowing hot air through a column of combustible material and its fines. That is a fire risk requiring active manageme…
Agriculture & FarmingDull granulator knives generate fines and dust instead of clean regrind. Fines change the bulk density feeding the throat, which destabilises the pro…
Plastics & Injection MoldingA hotel room is a small building that generates revenue every night it is sellable, and the faults that take it out of service are almost all small: …
Hospitality & HotelsEvery hot runner zone is a small oven whose thermocouple you are trusting absolutely. A drifting or reversed thermocouple means the zone runs far hot…
Plastics & Injection MoldingHydraulic contamination is the leading cause of valve and pump failure on a molding machine. Particles score servo valve spools, which produces errat…
Plastics & Injection MoldingAutomotive & Metal FabricationMunicipal & Public WorksAgriculture & FarmingViscosity is the variable that most directly controls colour on press, and it moves constantly as solvent evaporates. An automatic viscosity controll…
Printing & PackagingA pivot applies water on the assumption that every nozzle delivers its design rate. Nozzles wear and enlarge gradually, so application becomes uneven…
Agriculture & FarmingA keg washer is a machine that certifies its own work: it runs a cycle, the light goes green, and the keg is treated as clean. If a spray head is blo…
Breweries & DistilleriesCooking vapour condenses as grease along the entire exhaust path — filters, hood plenum, ductwork, fan housing. That deposit is fuel sitting directly…
Hospitality & HotelsOne damaged needle produces a continuous vertical line down every metre of fabric the machine knits. It is not a gradual defect and it does not self-…
Textiles & ApparelLamination bond strength is set by nip pressure, adhesive coat weight and cure — and nip pressure is rarely uniform across a wide web once rollers ha…
Printing & PackagingA lift station is unattended infrastructure whose failure mode is a sanitary sewer overflow — raw sewage into a street or watercourse, which is a pub…
Municipal & Public WorksA loom is a timing machine. Shedding, weft insertion and beat-up have to happen in a precise sequence, and as linkages wear that sequence drifts by d…
Textiles & ApparelHygroscopic resins absorb moisture from the air, and moisture in the melt flashes to steam during injection. The result is splay, bubbles, and — with…
Plastics & Injection MoldingThe mold decides cycle time, scrap rate, and part quality simultaneously, and it degrades on shot count rather than on the calendar. Vents block firs…
Plastics & Injection MoldingCooling controls cycle time and dimensional stability. Scale in the circuits is an excellent insulator, so a partially blocked circuit means one area…
Plastics & Injection MoldingThe general walk-around catches the unglamorous things that cause most unplanned downtime: a dry lube point, a loose guard, a weeping seal, a belt st…
General ManufacturingPaint quality is airflow. Booth balance controls how overspray is carried away from the part, and as filters load, face velocity falls and the pressu…
Automotive & Metal FabricationRacking is struck by forklifts constantly, and damaged uprights lose a large share of their rated capacity. Rack collapse is one of the few warehouse…
Warehousing & DistributionPool water is a shared bathing environment kept safe by chemistry alone, and that chemistry moves hourly with bather load, temperature and sunlight. …
Hospitality & HotelsThe tonnage signature is the die telling you what is happening inside it. A worn punch, a mis-set shut height or a failing nitrogen cylinder all chan…
Automotive & Metal FabricationAn anilox roll meters ink by volume held in engraved cells. As those cells plug with dried ink, the volume delivered falls, and the press compensates…
Printing & PackagingThe puller sets line tension and therefore final dimensions. Glazed, unevenly worn, or mistracked belts slip intermittently, and intermittent slip pr…
Vinyl & Profile ExtrusionDrives and gearboxes are the components whose failure takes a line down for days rather than hours, because replacements are rarely on the shelf. Oil…
General ManufacturingRefrigerant leaks are the rare maintenance failure that is simultaneously a performance problem, a cost problem and a regulatory problem. A system do…
HVAC & Building Services ContractorsRobot accuracy degrades through gearbox wear and cumulative small collisions, and the robot has no idea. It reports the position it commanded, not th…
Automotive & Metal FabricationA rooftop unit spends its life outdoors, and everything that matters about it degrades from exposure: coils foul, belts stretch, dampers seize, and r…
Facilities & Property ManagementHVAC & Building Services ContractorsHospitality & HotelsA dull or misaligned cut-off blade produces chipped, angled, and burred ends. On a profile that has to seal or assemble downstream, that is a custome…
Vinyl & Profile ExtrusionScrew and barrel wear is the single most expensive slow failure on an extrusion line. As flight OD drops and barrel ID opens up, the clearance betwee…
Vinyl & Profile ExtrusionA worn check ring stops sealing on injection, so material back-flows past it during pack. The visible symptom is shot-to-shot weight variation and in…
Plastics & Injection MoldingSeal integrity is the barrier between the product and the outside world. A seal bar drifting out of temperature spec produces packages that look corr…
Food & Beverage ManufacturingBreweries & DistilleriesFor a service contractor the van is the shop, and its condition sets the first-time fix rate. Two things degrade quietly: stock, which drains through…
HVAC & Building Services ContractorsSorters fail statistically rather than catastrophically. Read rates drop a fraction of a percent, diverters actuate slightly late, and mis-sorts clim…
Warehousing & DistributionA machining spindle is a precision bearing assembly running at extreme speed, and it is normally the most expensive single repair on the machine. Bea…
Automotive & Metal FabricationA sweeper's whole output is a function of broom pattern and down-pressure. Worn brooms simply move debris rather than collecting it, so the route is …
Municipal & Public WorksWrap quality is load stability, and load stability is damage in transit. Worn pre-stretch belts silently reduce film tension, so pallets leave lookin…
Warehousing & DistributionPrinting & PackagingA campus has one genuine maintenance window a year. Everything that needs an unoccupied building — coil cleaning, boiler and chiller service, roof wo…
Education & Campus FacilitiesThe tenter holds fabric by its selvedge on a pin or clip chain while heat sets width and finish. Every metre of production passes over the same chain…
Textiles & ApparelEvery temperature decision on the line assumes the thermocouples are telling the truth. They drift. A zone reading 10°F low is silently running 10°F …
Vinyl & Profile ExtrusionFarm equipment works in the dustiest environment any diesel engine sees, and it works in concentrated bursts against a calendar nobody controls. Serv…
Agriculture & FarmingA signal is a safety-critical device that the public obeys without question, so its failure modes matter more than its downtime. The conflict monitor…
Municipal & Public WorksDriveline components are long-lived until they are contaminated, and they are expensive and slow to replace. The magnetic plug is the cheapest diagno…
Fleet & Vehicle MaintenanceTyres are one of the largest line items in a fleet budget and a major safety exposure. Underinflation destroys casings from the inside through heat, …
Fleet & Vehicle MaintenanceA resistance weld tip mushrooms as it works. The contact face grows, current density falls, and the nugget gets smaller while every setting on the co…
Automotive & Metal FabricationScheduled safety work that produces a dated, defensible record — LOTO verification, guarding, emergency equipment, and chemical handling.
CO2 is the hazard people in this industry are most used to and least afraid of. It is heavier than air, so it pools in cellars, pits and low corners;…
Breweries & DistilleriesAgricultural chemicals are among the most acutely toxic substances handled outside of industry, stored in volume, often in an outbuilding with limite…
Agriculture & FarmingCIP chemicals are corrosive at working concentration. The audit confirms that SDS access, PPE, and containment actually match the chemicals currently…
Food & Beverage ManufacturingBreweries & DistilleriesTanks, vessels and pits are permit-required confined spaces, and the hazards are cumulative: an oxygen-deficient or CO2-rich atmosphere, residual cle…
Breweries & DistilleriesMunicipal & Public WorksThe dock is where pedestrians, forklifts, and trailers share the same space. Trailer creep and early departure are a recognised fatality mechanism, w…
Warehousing & DistributionA dyehouse stocks oxidisers, strong acids and alkalis, and reactive auxiliaries in significant volumes, and stores them in the same area because that…
Textiles & ApparelService technicians take voltage readings inside live panels as a matter of routine, frequently on equipment they did not install and whose available…
HVAC & Building Services ContractorsEyewash stations, extinguishers, and exit routes are only useful in the minutes after something has already gone wrong. Verifying them is cheap; disc…
Vinyl & Profile ExtrusionEmergency lighting has one job: getting people out of a dark building. The failure mode is almost always the battery, which degrades invisibly over y…
Facilities & Property ManagementHospitality & HotelsEducation & Campus FacilitiesFire protection is entirely passive until the day it is needed, so the only evidence it works is inspection. A closed sprinkler control valve or a pa…
Facilities & Property ManagementHospitality & HotelsEducation & Campus FacilitiesWarehouses are among the hardest buildings to protect from fire: high stacking, large fuel loads, and racking that blocks water. Storage creeping up …
Warehousing & DistributionOSHA requires powered industrial trucks to be examined before each shift and removed from service if unsafe. In practice the checklist becomes a form…
Fleet & Vehicle MaintenanceA fuel island is a dispensing operation with environmental liability attached. Breakaway couplings, emergency shutoff, and containment are what stand…
Fleet & Vehicle MaintenanceFlowing grain behaves like a fluid and buries a person in seconds — at waist depth escape is already impossible unaided, and there is no way to swim …
Agriculture & FarmingPurging ejects molten polymer at process temperature, and barrel and nozzle surfaces stay dangerous long after the machine stops. Burns during purgin…
Plastics & Injection MoldingDie and barrel surfaces on an extrusion line hold enough heat to cause serious burns long after the line stops. The exposure is highest during die ch…
Vinyl & Profile ExtrusionWelding creates two hazards that behave completely differently. Fire risk is acute and immediate, which is what the permit and fire watch address. Fu…
Automotive & Metal FabricationLockout/tagout is the control standing between a technician and a stored-energy injury. Programs decay quietly: labels come off, a line is modified w…
Vinyl & Profile ExtrusionAutomotive & Metal FabricationPrinting & PackagingMunicipal & Public WorksEmergency eyewash and safety showers are the last line of defence in a lab, and they fail silently. Stagnant supply lines grow biofilm, valves seize,…
Education & Campus FacilitiesLint is fuel. A textile mill generates it continuously, it settles everywhere including on motors, heaters and light fittings, and it accumulates in …
Textiles & ApparelThe clamp on a molding machine develops enough force to be immediately fatal. Gate interlocks and light curtains are the controls that stand between …
Plastics & Injection MoldingAutomotive & Metal FabricationPrinting & PackagingTextiles & ApparelGuards and interlocks get defeated for good short-term reasons — a changeover is faster with the guard off, and it never gets put back. Scheduled ins…
Vinyl & Profile ExtrusionMolds are extremely heavy and are lifted routinely. A failed eyebolt or sling during a mold change drops several tonnes into an occupied work area — …
Plastics & Injection MoldingA scheduled walk gives the plant a defensible, dated record that guards, e-stops, and LOTO points were verified — and gives technicians a routine cha…
General ManufacturingCranes and rigging fail in one direction: the load comes down. Hooks open up under sustained overload, wire rope breaks wires internally where nobody…
Automotive & Metal FabricationA power take-off shaft turns at 540 or 1000 rpm with enough torque to be entirely indifferent to a human body. Entanglement is measured in fractions …
Agriculture & FarmingDrain entrapment is the pool hazard that kills children, and it is prevented entirely by hardware: a compliant, undamaged, in-date drain cover and a …
Hospitality & HotelsForklifts are involved in a large share of serious warehouse injuries, and OSHA requires both daily operator checks and current operator certificatio…
Warehousing & DistributionDrivers are legally required to inspect their vehicle and report defects, and the whole system depends on those reports being real. The audit checks …
Fleet & Vehicle MaintenanceMunicipal & Public WorksRefrigerant is handled so routinely that the hazards stop registering. It is stored at pressure, it displaces oxygen in a machinery room, it causes c…
HVAC & Building Services ContractorsRoofs carry most of a building's mechanical plant, so technicians go up there constantly — and falls remain the leading cause of death in constructio…
Facilities & Property ManagementHVAC & Building Services ContractorsWet processing floors make slips the most common recordable injury in food and beverage plants. Drainage, matting, and condensation management are ma…
Food & Beverage ManufacturingA press hall combines large solvent volumes, high air movement, heated dryers, and webs generating static — which is a complete ignition scenario if …
Printing & PackagingIn a road work zone the traffic control layout is the only thing standing between the crew and live traffic. Taper length, device spacing and advance…
Municipal & Public WorksMost CMMS vendors publish blog posts about preventive maintenance. This library is different: it is generated directly from the industry packs inside ChatterFix, so every procedure here is one the product actually schedules. When we improve a PM for customers, this page updates with it.
Pick your industry and ChatterFix builds the equipment hierarchy, PM schedules, quality checklists, and safety inspections to match — in about three minutes.