Free checklist · Grounds & farm
Commercial mower inspection checklist (free, printable)
Before each day's mowing, check with the engine off and the key out that the blades are sharp, straight and tight, the deck and discharge chute are undamaged, and belts, guards, tires, fuel and oil are right. Then test the operator presence controls: the blades must stop when you leave the seat or let go of the bail. On a riding mower, check the ROPS and seat belt.
- How often
- Daily, before use
- The rule
- The manufacturer's manual
- Items
- 19 checks
- Takes
- About 5 minutes
By the CheckBadges team · Updated
Layout
Commercial mower inspection checklist
Daily, before use
| Item | OK | Problem | N/A |
|---|---|---|---|
| Engine off, key out | |||
| BladesSharp; not bent, cracked or worn thin at the sail; bolts tight. | |||
| DeckNo cracks or holes; packed grass cleared; spindles not leaking. | |||
| Discharge chute or deflectorFitted and springs down, or a bagger or mulch plate fitted. | |||
| Belts and belt coversBelts not frayed, cracked or glazed; covers on and secure. | |||
| Other guards and shieldsAll in place; nothing removed or tied up. | |||
| Tires and castersEven pressure side to side; no cuts; caster bearings not loose. | |||
| Engine oilBetween the dipstick marks. | |||
| Fuel and leaksEnough fuel; cap on; no fuel or hydraulic oil leaks. | |||
| Air filter and cooling screenFilter clean; screen and cooling fins clear of grass. | |||
| Hydraulic hosesNo leaks or rubbing; hydraulic oil at the mark. | |||
| Seat, controls and test | |||
| ROPSUp and latched; no cracks or bends. | |||
| Seat beltLatches and releases; worn whenever the ROPS is up. | |||
| Seat switchBlades or engine stop when you rise off the seat with blades on. | |||
| Operator presence bailBlade and drive stop when you let go of the bail. | |||
| Start interlocksStarts only with blades off and controls in neutral or brake set. | |||
| Parking brakeHolds the mower on a slope. | |||
| Drive controlsReturn to neutral; mower tracks straight. | |||
| Blade engage testBlades engage smoothly and stop when switched off; no vibration. | |||
| Hour meterWrite the reading. | ________ hours | ||
Problems found and action taken:
If anything is a problem, don't use the machine: tag it out and report it. Free checklist from checkbadges.com — put it on a QR sticker and operators can fill it in on their phone.
What to check on a mower, item by item
Engine off, key out
- Blades — Sharp; not bent, cracked or worn thin at the sail; bolts tight.
- Deck — No cracks or holes; packed grass cleared; spindles not leaking.
- Discharge chute or deflector — Fitted and springs down, or a bagger or mulch plate fitted.
- Belts and belt covers — Belts not frayed, cracked or glazed; covers on and secure.
- Other guards and shields — All in place; nothing removed or tied up.
- Tires and casters — Even pressure side to side; no cuts; caster bearings not loose.
- Engine oil — Between the dipstick marks.
- Fuel and leaks — Enough fuel; cap on; no fuel or hydraulic oil leaks.
- Air filter and cooling screen — Filter clean; screen and cooling fins clear of grass.
- Hydraulic hoses — No leaks or rubbing; hydraulic oil at the mark.
Seat, controls and test
- ROPS — Up and latched; no cracks or bends.
- Seat belt — Latches and releases; worn whenever the ROPS is up.
- Seat switch — Blades or engine stop when you rise off the seat with blades on.
- Operator presence bail — Blade and drive stop when you let go of the bail.
- Start interlocks — Starts only with blades off and controls in neutral or brake set.
- Parking brake — Holds the mower on a slope.
- Drive controls — Return to neutral; mower tracks straight.
- Blade engage test — Blades engage smoothly and stop when switched off; no vibration.
- Hour meter — Write the reading. (reading, in hours)
How often a mower has to be inspected
Check a commercial mower daily, before the first cut, following the daily checks in its operator's manual. No OSHA rule sets an inspection interval for mowers. OSHA's general industry rule on power lawnmowers, 29 CFR 1910.243(e), is a design rule. Among other things, it requires that:
- Mowers are guarded under the general machine guarding rule, with the blade enclosed except on the bottom.
- Grass discharge openings are guarded, and marked "Caution." or stronger.
- "A shutoff device shall be provided to stop operation of the motor or engine," which must "require manual and intentional reactivation to restart" ((e)(1)(iii)).
- Blades "stop rotating from the manufacturer's specified maximum speed within 15 seconds after declutching, or shutting off power" ((e)(2)(vii)).
- Riding mowers have "Vehicle stopping means" and stops that prevent the steering jackknifing ((e)(4)).
The daily check confirms the mower is still the way it was built: guards on, chute down, and the operator presence controls and interlocks not bypassed. A seat switch jumpered because it cut out on bumpy ground is the classic failure on a commercial crew, and the check should catch it.
How to do the check
- Park on level ground, blades off, parking brake on, engine off, key out. Most manuals say to disconnect the spark plug wire before handling the blades.
- Look under and around the deck with gloves on: blades, spindles, packed grass, the chute.
- Walk around the mower: belts and covers, guards, tires, leaks.
- Check fluids, the air filter and the cooling screen.
- Sit on, belt up if there's a ROPS, and start it in neutral with the blades off.
- Test the interlocks the way the manual describes, in an open area: engage the blades, then rise off the seat or release the bail. The blades must stop.
- Drive a few yards to check it tracks straight and the parking brake holds.
The defects that take it out of service
| Defect | Why it fails |
|---|---|
| Bent, cracked or loose blade | It can break off and be thrown |
| Discharge chute or deflector missing or tied up | Stones and debris are thrown at people |
| Seat switch or bail bypassed or not working | The blades keep turning with no one at the controls |
| ROPS damaged or seat belt broken | No protection in a rollover |
| Belt cover off | Exposed belts and pulleys can catch hands and clothing |
| Fuel leak | Fire risk on a hot engine |
| Parking brake won't hold | The mower can roll away on a slope |
| Hydraulic leak on a zero-turn | One side can lose drive and the mower veers |
What to do when something fails
Take the key, tag the mower and use a spare. Hang a DO NOT OPERATE tag on the seat or handle, and leave the mower on the trailer or in the shop so it doesn't go out with the crew. Never bypass a safety switch to finish a job; replace the faulty switch. See what to do when equipment fails inspection.
Keeping the record
No rule requires a written daily mower check. Crews with several mowers on each trailer still benefit from a dated check per mower with the operator's name: it shows who took the mower out with a blade problem, and hour meter readings tell you when blades and oil are due. See equipment inspection record keeping and equipment checks for landscaping crews.
A weatherproof QR sticker on the console or handle lets each operator do this check on their own phone at the yard before the trailer leaves. Problems reach you by email with a photo, and CheckBadges shows them to the next operator who scans that mower until you mark them fixed. See QR code equipment checklists.
Skip the clipboard
Put this lawn mower inspection checklist on a QR sticker.
- Operators scan the sticker with their own phone's camera. No app, account or password.
- Anything marked Problem emails you right away, with photos, and warns the next operator.
- Every check is saved by machine with who did it and when. Print one or export a CSV.
Free for 3 machines. Every item above is already filled in — edit anything. No card.
Mower 1
Lawn mower inspection checklist
Frequently asked questions
How do you test a mower's seat safety switch?
Follow your manual's test. Usually, in an open area with the engine running and blades engaged, you rise off the seat without leaving the mower; the blades or engine should shut off. If they don't, the mower is out of service until the switch is replaced.
How often should commercial mower blades be sharpened?
Check them every day and sharpen when the edge is dull or nicked; how often depends on hours and ground conditions. Replace a blade that's bent, cracked or worn thin rather than straightening it, and torque the bolt to the manual's figure.
Do zero-turn mowers need a seat belt?
Wear it whenever the ROPS is up and latched; that's what manufacturers specify. If a folding ROPS is lowered, most manuals say not to wear the belt, so raise the ROPS whenever clearance allows.
What is an operator presence control on a mower?
A control that stops the blades or drive when the operator lets go or leaves the seat: the bail on a walk-behind, the seat switch on a rider. OSHA's mower rule requires blades to stop within 15 seconds after declutching or shutting off power (29 CFR 1910.243(e)(2)(vii)).
Does OSHA have rules for lawn mowers?
Yes, but they're design rules: 29 CFR 1910.243(e) sets guarding, shutoff and blade-stopping requirements for walk-behind, riding rotary and reel mowers. How often to check them comes from the manufacturer's manual.
Keep reading
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- LandscapingLandscaping equipment checklists on a QR sticker per mower, trailer and truck. Crews scan with their phone before leaving the yard; no app. Free for 3 machines.
- Golf coursesGolf course equipment inspection checklists on a QR sticker per mower, utility vehicle, sprayer and cart. Staff scan with their own phone before use; no app.
- FacilitiesFacility equipment inspection checklists on QR codes for lifts, ladders, scrubbers, generators, extinguishers and eyewash. Staff scan with their phone; no app.
Do your mower checks by QR code.
Stick a QR code on every machine and operators do the pre-use check on their own phone — no app, no login. Free for up to 3 machines; try it with your real machines before you sign up.