The forklift rarely stops without warning. There’s almost always a week or two where the machine gave off signs — a leak that no one reported, a chain that started skipping, a tire that was worn to the limit. A breakdown that costs you days of downtime is usually the sum of little things that could have been caught in ten minutes in the morning.
This text is a practical maintenance plan: what to check every day, what once a month and what at service intervals of 250, 500 and 1,000 operating hours. With specific limits after which the part is changed, not repaired.
Content
- Why maintenance is measured in hours, not months
- Daily check before the shift
- Weekly and monthly
- Service intervals: 250, 500 and 1,000 hours
- Limits after which the part changes
- What is different about electric machines
- Records: without them, the plan does not exist
- When to call the service
Why maintenance is measured in hours, not months
A machine that works two hours a day and a machine that works ten hours a day are not the same machine, even though they were bought on the same day. That’s why all serious maintenance plans go by the working hours counter, not by the calendar.
Practical consequence: the hour counter must be read and recorded. Without it, you don’t know when the next service is, and the service “when we remember” usually comes too late. In the case of machines that work a little, the counter also goes with the calendar rule — the oil ages even when the machine is standing, so a major service is done at least once a year, regardless of the hours.
Daily check before the shift
This is done by the operator, not the service technician, and takes about ten minutes. The sequence is intentionally such that you go around the machine in one circle:
- Under the machine — are there any traces of oil, hydraulic fluid or coolant on the floor. A fresh stain is always a find, not a coincidence.
- Tires — wear, cuts, missing pieces; with tires and pressure. With superelastic tires, the wear line is followed.
- Fairies — cracks, deformation, crooked tip, wear on the heel of the pitchfork, correctness of the fuse that holds the pitchfork on the support.
- Mast and chains — tension and equal tension of both chains, traces of rust, lubrication, condition of rollers.
- Hydraulics — hoses and cylinders, traces of moisture on the joints, damage to the hoses where they bend.
- Levels — engine oil, hydraulic oil, coolant, fuel; with electrics the electrolyte level if it is a lead battery.
- Brakes — working and parking, checking a few meters before taking the load.
- Signaling — siren, lights, rotating light, sound signal when reversing.
- Seat and belt — the belt must be pulled out and locked; the operator presence sensor must be working.
- Cleanliness — glass, mirrors, pedal shoes without oil and mud.
The finding is entered. If the machine is unsafe — leaking brake fluid, broken fork, siren not working — don’t put it into operation until it’s fixed. It is not a formality; it’s the difference between a malfunction and an injury.
Weekly and monthly
Once a week: greasing grease nipples according to the manufacturer’s scheme, checking and greasing mast chains, cleaning coolers from dust and fibers (in sawmills and textiles and more often), checking batteries and poles.
Once a month: tightening the wheels with the prescribed torque, checking the gap on the mast and the fork support, checking the moving parts of the steering wheel, checking the condition of the air filter, a more detailed check of all hydraulic connections under load.
Service intervals: 250, 500 and 1,000 hours
Exact intervals are always prescribed by the manufacturer in the manual for a specific model, but with motorized forklifts the frame looks like this:
| Interval | What is being done |
|---|---|
| ~250 h | Replacing the engine oil and oil filter, checking and topping up the level, visual inspection of belts and hoses, checking the brakes |
| ~500 h | All of the above, plus air filter, fuel filter, transmission and differential check, mast and chain check with measurement |
| ~1.000 h | Major service: hydraulic oil and filter, all fluids, spark plugs or injectors, detailed brake system and steering control, torque control |
| Annually | Regardless of the hours — great service and inspection according to regulations |
In the case of LPG machines, this is accompanied by a regular check of the installation and valve on the bottle, as well as a check of the tightness of the joints — this is done more often than with diesel.
Limits after which the part changes
These are numbers worth knowing by heart, as they are the most common cause of serious breakdowns and accidents:
- Fairies — when the thickness on the heel of the fork wears out by about a tenth compared to the original, the fork needs to be replaced. A crack anywhere on the villa means immediate replacement, without exception. Fairies change in pairs.
- Mast chains — when the chain lengthens by about two to three percent compared to new, it is changed. It is measured over a defined number of links, not exponentially. Chains are also changed in pairs.
- Tires — superelastic tires are replaced when wear approaches the line on the side of the tire; with some manufacturers it is a clearly marked strip that becomes visible. You can find more about the types of tires on the page tires for forklifts.
- Hydraulic hoses — a visible braid under the tire, a bulge or moisture at the joint means replacing the hose, not adding oil.
What is different about electric machines
Electric forklifts and pallet trucks don’t have engine oil, fuel filters or an exhaust system, so the list is shorter — but it has its points. In the case of lead batteries, these are the electrolyte level, the cleanliness and tightness of the poles, the regularity of charging and the avoidance of deep discharge. With lithium, maintenance of the electrolyte is unnecessary, but the rule remains to use the correct charger and not to work at extreme temperatures.
We wrote more about the differences in the text lithium-ion or lead-acid battery. You can find batteries and chargers on the page batteries for forklifts.
Records: without them, the plan does not exist
A maintenance plan that is not written down is not a plan but an intention. The minimum that is worth keeping on the machine: reading the hour meter at the end of each week, the date and content of each service, a list of replaced parts and a list of daily findings with date.
That record has another value. When you sell the machine one day, a neat service book is the strongest argument in the price — the buyer of a used machine first asks about it. We wrote about it in checklist for buying a used forklift.
When to call the service
Immediately, without waiting for the next interval, if any of these appear: brake or hydraulic fluid leaks, noise from the transmission or pump that was not there before, a load that falls on its own when the machine is standing, a mast that does not rise evenly, a steering wheel that is idle, or any warning on the display that does not go out.
Everything else is going according to plan. Regular service you can schedule here, and if you need parts — filters, chains, forks, hoses — take a look spare parts or call 021/6040-505.
In the next text from this series, we deal with that part that is not a matter of good practice but a legal obligation — the periodic inspection of work equipment and what happens when it is not.
Forklift service — Jović Viljuškari
Regular service, periodic inspection and repairs. Make an appointment or call us.
