Free trencher pre-start checklist
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Free trencher pre-start checklist (PDF-ready). Covers boom, chain or wheel, teeth, guards, hydraulics, controls and tracks. Download free.
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See the first part of the trencher pre-start checklist below. Download the full version above.
What is a trencher pre-start checklist?
A trencher pre-start checklist is a daily inspection form completed before operating a chain trencher or wheel trencher on site. The checklist covers the digging assembly (boom, chain or cutting wheel, teeth and holders, guards and chain tension or wheel condition), hydraulic system (oil level, hoses, fittings, cylinders, leak check), engine and fluids (engine oil, coolant, fuel, DEF/AdBlue if fitted, air filter), undercarriage or wheels (tracks, track tension, rollers, sprockets, idlers for tracked models, or tyres and wheel nuts for wheeled models), operator controls and instruments (digging depth control, ground speed, steering, all gauges), electrical system (lights, beacons, reverse alarm) and safety devices (guards in place, emergency stops, fire extinguisher, crumb conveyor or spoil auger). In Australia, the WHS Regulations require a PCBU to ensure plant is inspected before use to confirm it is safe to operate. Trenchers are classified as plant under the WHS Regulations and a documented daily pre-start inspection is the standard method for meeting this obligation. Trenchers operate with exposed cutting components at high speed, making pre-start inspections particularly important for identifying worn teeth, damaged guards, loose chains or hydraulic leaks that could cause serious injury or equipment failure.
Learn more about pre-start inspections in MapTrack.
Benefits of using this trencher pre-start checklist
- Cutting performance: identifying worn or missing teeth, loose chain tension or damaged cutting wheel segments before the shift prevents poor trench quality and rework.
- Operator safety: confirming guards, emergency stops, reverse alarms and fire extinguishers are functional protects the operator and nearby workers from exposed cutting components.
- WHS compliance: documented pre-start records demonstrate the PCBU has met their duty of care for plant inspections under the WHS Regulations.
- Hydraulic integrity: checking hydraulic oil, hoses and fittings prevents leaks that can cause sudden loss of boom or depth control.
- Reduced downtime: catching track tension issues, low fluid levels or sensor faults before trenching begins avoids mid-shift breakdowns.
- Underground services safety: the pre-start prompts the operator to confirm Dial Before You Dig (DBYD) clearance and service locating before operating in the trench zone.
Benefits of digitising forms in MapTrack
When you digitise trencher checklists in MapTrack, you get:
- Field users can easily scan a QR code to complete a form on mobile. Unlimited users.
- Automatically get alerts when faults are identified.
- Link every form digitally as a PDF to the relevant asset, location or person.
- Receive a digital PDF copy with every submission to your email.
- Ability to share forms digitally.
- Build conditional logic (show or hide questions based on answers).
- Take pictures or attach photos. Not possible with a paper-based form.
- Electronic signatures.
- Edit forms later without reprinting.
- Restrict permissions (who can view, complete or approve).
- Build forms with AI (describe what you need and MapTrack suggests the form).
- Auto-schedule pre-start forms so operators are prompted before every shift.
- Flag overdue pre-starts on the dashboard so nothing leaves the yard unchecked.
- Link each pre-start to the asset record for a complete inspection history.
Book a demo to see how MapTrack handles trencher checklists.
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What to include in a trencher pre-start checklist
This trencher pre-start checklist covers 15 key areas:
- Machine details: type (chain trencher, wheel trencher, micro trencher), make/model, serial or fleet number, hour meter, date.
- Operator details: name, licence or competency number.
- Walk-around inspection: check for leaks, damage, loose components, ground conditions and service markings in the work area.
- Digging assembly (chain trencher): boom condition, chain tension, chain links, teeth and holders (wear, damage, missing), sprockets, guards, crumb conveyor or spoil auger.
- Digging assembly (wheel trencher): cutting wheel condition, teeth and holders (wear, damage, missing), wheel bearings, guards, spoil conveyor.
- Hydraulic system: hydraulic oil level, hoses, fittings, cylinders, leak check, boom raise/lower function.
- Engine and fluids: engine oil, coolant, fuel, DEF/AdBlue, air filter, exhaust.
- Undercarriage (tracked): tracks, track tension, rollers, sprockets, idlers, track pads.
- Undercarriage (wheeled): tyres, inflation, tread, wheel nuts.
- Controls and instruments: digging depth control, ground speed, steering, all gauges and indicators.
- Electrical and lighting: headlights, work lights, beacons, reverse alarm.
- Safety devices: guards in place, emergency stops functional, fire extinguisher charged, safety signage.
- DBYD / services clearance: Dial Before You Dig plan reference, service locating completed, hand-dig zone marked (if applicable).
- Defect register: item, description, action required.
- Sign-off: operator and supervisor.
How to use this trencher pre-start checklist
- Record machine details including type, make/model, fleet number, hour meter and operator name.: Enter the trencher type (chain, wheel or micro), make, model, serial or fleet number, the current hour meter reading and the date. Record the operator name and their licence or competency number. This links the inspection to a specific machine, operator and shift for traceability.
- Conduct a walk-around inspection with the machine off. Check for leaks, damage, loose components, ground conditions and service markings.: Walk around the entire trencher before starting the engine. Look underneath for hydraulic oil, engine oil or coolant leaks. Check for loose bolts, cracked hoses, damaged guards or debris caught in the digging assembly. Verify the ground surface is stable and note any underground service markings (paint, flags, stakes) in the planned trench zone.
- Inspect the digging assembly: for chain trenchers, check boom, chain tension, links, teeth, holders, sprockets and guards. For wheel trenchers, check wheel, teeth, holders, bearings and guards.: For chain trenchers, measure chain tension against the manufacturer specification and inspect each visible link for stretch, cracks or damage. Check teeth and holders for wear, missing tips or loose fittings. Inspect boom condition, sprockets for wear and the crumb conveyor for blockages. For wheel trenchers, examine cutting wheel segments, teeth and holders, wheel bearings for play and the spoil conveyor for damage. Confirm all guards covering the cutting assembly are securely in place.
- Check the hydraulic system, engine fluids, undercarriage (tracks or wheels), controls, electrical system and all safety devices.: Check the hydraulic oil level on the sight glass, inspect hoses and fittings for leaks, and test boom raise and lower function. Confirm engine oil, coolant, fuel and DEF/AdBlue levels are within range. For tracked models, check track tension, rollers, sprockets and idlers; for wheeled models, check tyre inflation, tread and wheel nuts. Test digging depth control, ground speed and steering. Verify lights, beacons, reverse alarm, emergency stops and fire extinguisher.
- Confirm DBYD clearance and service locating for the planned trench zone. Record the DBYD reference number.: Before operating, confirm that a current Dial Before You Dig (DBYD) plan has been obtained covering the planned trench alignment. Verify that on-site locating has been completed using cable locators or ground-penetrating radar, and that hand-dig zones near identified services are clearly marked. Record the DBYD reference number on the checklist.
- Record any defects and report per site procedures. Do not operate until safety-critical defects are rectified. Sign off and save as PDF or submit digitally in MapTrack.: Document each defect with a description and the action required. If a safety-critical defect is found, tag the trencher out of service and notify the supervisor immediately. The operator and supervisor both sign the completed checklist. Save as a PDF or submit digitally in MapTrack so the record is linked to the asset.
In MapTrack, you can run digital pre-starts attached to each asset. Each submission is stored as a timestamped PDF against the asset record.
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Back to download formHow often should you complete this checklist?
Complete a pre-start inspection before each use or at the start of each shift. If the trencher has been relocated, repaired, had a different operator or been idle for an extended period, perform a fresh check. After every shift, inspect teeth and chain or wheel for wear, as trenching in rocky or abrasive soils accelerates component wear. Weekly inspections should cover deeper items such as chain stretch measurement, track tension adjustment and hydraulic filter condition. Monthly and annual inspections should follow the manufacturer service schedule. In MapTrack, you can schedule daily, weekly and periodic inspections per asset and track compliance across your trencher fleet.
Frequently asked questions
- What should a trencher pre-start checklist cover?
- A trencher pre-start checklist should cover the digging assembly (boom, chain or wheel, teeth, holders, guards), hydraulic system (oil level, hoses, cylinders), engine and fluids (oil, coolant, fuel), undercarriage (tracks or wheels), controls and instruments (depth control, ground speed, steering), electrical system (lights, beacons, reverse alarm) and safety devices (guards, emergency stops, fire extinguisher). For chain trenchers, also check chain tension, links, sprockets and the crumb conveyor. For wheel trenchers, check wheel condition, bearings and the spoil conveyor.
- How often should a trencher be inspected?
- A trencher should receive a pre-start inspection before each use or at the start of each shift. Teeth and chain or wheel should be inspected after every shift, particularly in rocky or abrasive conditions. Weekly inspections should cover chain stretch, track tension and hydraulic filters. Monthly and annual inspections should follow the manufacturer service schedule. Always re-inspect after relocation, repair or extended downtime.
- Who can operate a trencher on a construction site?
- Any competent worker who has been trained in the safe operation of the specific trencher type may operate it. In Australia, operators should hold relevant competency units or equivalent site-specific training. The operator must understand the machine controls, emergency shutdown procedures, the hazards of exposed cutting components and the requirement to verify underground service locations before trenching. Check your state or territory WHS requirements for any additional licensing or competency obligations.
- What is the difference between a chain trencher and a wheel trencher pre-start?
- Both types share common inspection items (hydraulics, engine, undercarriage, controls, safety devices), but the digging assembly section differs. A chain trencher pre-start checks the boom, chain tension, chain links, teeth and holders, sprockets and crumb conveyor. A wheel trencher pre-start checks the cutting wheel, teeth and holders, wheel bearings and spoil conveyor. Chain trenchers are typically used for narrower, deeper trenches while wheel trenchers suit wider, shallower cuts, but the pre-start discipline is the same: inspect the cutting assembly thoroughly before each use.
- Is this trencher pre-start checklist free to download?
- Yes, this trencher pre-start checklist is completely free to download as a PDF. No account or signup is required. For teams wanting to move beyond paper forms, MapTrack offers a digital version that automates scheduling, sends overdue alerts, and stores completed records in the cloud for instant retrieval during audits.
Need to run digital pre-starts attached to each asset?
Register every trencher in MapTrack, attach digital forms, and get a complete history of every inspection, service and compliance record.
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