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 ContractorsA 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 ContractorsBrakes 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 MaintenanceBuilding 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 ContractorsClean-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 ManufacturingThe 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 ContractorsConveyor 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 FabricationIn 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 MaintenanceDegraded 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 FabricationElevator maintenance is usually contracted out, which makes the monthly check a verification task rather than a repair task: confirming the contracto…
Facilities & Property ManagementA 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 ManagementOil service is the highest-leverage maintenance on any vehicle, and the sample matters more than the change. Analysis catches coolant intrusion, fuel…
Fleet & Vehicle MaintenanceForklifts 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 MaintenanceThe 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 ExtrusionDull granulator knives generate fines and dust instead of clean regrind. Fines change the bulk density feeding the throat, which destabilises the pro…
Plastics & Injection MoldingEvery 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 FabricationHygroscopic 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 & DistributionThe 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 FabricationThe 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 ContractorsA 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 ManufacturingFor 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 FabricationWrap quality is load stability, and load stability is damage in transit. Worn pre-stretch belts silently reduce film tension, so pallets leave lookin…
Warehousing & DistributionEvery 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 ExtrusionDriveline 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.
CIP chemicals are corrosive at working concentration. The audit confirms that SDS access, PPE, and containment actually match the chemicals currently…
Food & Beverage ManufacturingThe dock is where pedestrians, forklifts, and trailers share the same space. Trailer creep and early departure are a recognised fatality mechanism, w…
Warehousing & DistributionService 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 ManagementFire 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 ManagementWarehouses 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 MaintenancePurging 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 FabricationThe 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 FabricationGuards 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 FabricationForklifts 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 MaintenanceRefrigerant 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 ManufacturingMost 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.