What is included in a crane 250-hour service?

A 250-hour crane service is a minor service that includes draining and replacing engine oil (typically 15W-40), replacing the engine oil filter, inspecting the air filter, draining the fuel/water separator, checking coolant level, checking hydraulic oil level, visually inspecting wire ropes for broken wires, corrosion, kinks and bird-caging, checking hook throat opening, safety latch and swivel, inspecting boom sections for cracks, dents and corrosion, greasing boom pivot pins, boom extension slides and pads, slew bearing, and outrigger pins and cylinders, checking outrigger pad condition, inspecting LMI/RCI operation, testing anti-two-block device and hoist limit switches, inspecting sheaves and pulleys, checking fan belts, battery, lights, horn and alarm, and checking the fire extinguisher. It takes approximately 2 to 3 hours.

How often should a mobile crane be serviced?

Mobile cranes follow a tiered service schedule based on engine hours. A 250-hour (minor) service covers oil, filters, grease, wire rope visual checks and basic safety system inspections. A 500-hour (intermediate) service adds filter replacements, wire rope measurement, brake inspection, LMI calibration check, slew ring bolt torquing and hydraulic oil sampling. A 1,000-hour (major) service adds hydraulic oil change, full brake overhaul, structural NDT and load testing. Daily pre-start checks are performed by the operator before each shift. Always refer to the manufacturer service manual for your specific make and model.

What safety systems are checked during a crane 250-hour service?

The 250-hour service includes inspecting the LMI/RCI (load moment indicator/rated capacity indicator) operation, testing the anti-two-block device, testing hoist limit switches, checking hook throat opening and safety latch, inspecting wire ropes for defects, checking the fire extinguisher, and testing lights, horn and alarm. These safety systems are critical for preventing overload events and dropped loads.

What wire rope defects should be looked for during a 250-hour crane service?

During the 250-hour visual inspection, look for broken wires (count visible breaks and note their location), external corrosion (rust, pitting on outer wires), kinks or permanent bends in the rope, bird-caging (where rope strands separate and bulge outward), flattening or crushing, heat damage (discolouration) and reduction in rope diameter. AS 2759 provides specific discard criteria based on the number of broken wires per lay length. Any rope showing multiple defects or approaching discard limits should be flagged for measurement at the next 500-hour service.

Is this crane 250-hour service checklist free to download?

Yes, this crane 250-hour service checklist is completely free to download as a PDF. No account or signup is required. The checklist covers engine servicing, wire rope inspection, boom and slew maintenance, outrigger checks, LMI testing and safety device verification. For teams wanting to move beyond paper forms, MapTrack offers a digital version that automates scheduling based on engine hours, sends overdue alerts and stores completed records in the cloud for instant retrieval during compliance audits.

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Free crane 250-hour service checklist (PDF-ready). Engine oil, wire ropes, boom sections, slew bearing, LMI and outriggers step by step. Download free.

Jarrod Milford

Commercial Director

Updated 3 May 2026

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What is a crane 250-hour service procedure?

A 250-hour service is the first tier of scheduled preventive maintenance for a mobile crane (all-terrain or truck-mounted). It is performed every 250 engine hours (or approximately every 4-6 weeks of full-time operation) and is classified as a minor service. The procedure covers engine oil and filter replacement, air filter inspection, fuel system maintenance, hydraulic system checks, wire rope visual inspection, hook and rigging checks, boom section inspection and lubrication, slew bearing greasing, outrigger servicing, LMI/RCI operation verification, safety device testing (anti-two-block, hoist limits), electrical checks and fire extinguisher verification. Unlike a daily pre-start check (which confirms the crane is safe to operate), the 250-hour service involves actual maintenance actions: draining and replacing fluids, replacing filters, greasing components and testing safety systems. It is typically performed by a qualified mechanic or crane technician, not the operator.

Mobile cranes are classified as high-risk plant under the WHS Regulations 2011, Chapter 5, and must be registered with the relevant state or territory regulator. AS 2550 requires that cranes be maintained in accordance with the manufacturer's recommendations and that all maintenance activities be documented. The 250-hour service is the primary interval for detecting early-stage wire rope degradation, hydraulic system contamination and boom structural issues before they escalate into safety-critical failures. On construction and infrastructure projects, crane downtime has a cascading impact on programme schedules, subcontractor coordination and site productivity. Operators who maintain a disciplined 250-hour service regime benefit from fewer unplanned breakdowns, lower total cost of ownership and stronger compliance records when presenting equipment for annual inspections or responding to regulator inquiries after an incident.

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Benefits of using this crane 250-hour service procedure

Reduced breakdowns: regular oil, filter and fluid changes prevent engine and hydraulic failures that cause unplanned downtime and costly project delays.
Wire rope safety: visual inspection at every 250-hour service catches broken wires, corrosion and kinks before they become a dropped-load hazard.
LMI/RCI reliability: regular testing of load moment indicators ensures overload protection systems are functioning correctly.
Lower repair costs: a 250-hour service costs a fraction of an emergency breakdown repair. Catching issues early prevents cascading damage to boom, slew and hydraulic systems.
Compliance: documented service records demonstrate that the crane is maintained to AS 2550 and WHS standards, supporting insurance and regulatory obligations.
Resale value: a complete service history with documented 250, 500 and 1,000-hour services increases the crane's value at trade-in or disposal.

Benefits of digitising forms in MapTrack

When you digitise crane service procedures 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).
Trigger work orders automatically when a fault is logged during an inspection.
Track service intervals by hours, kilometres or calendar date in one place.
Attach supplier invoices and parts receipts to each maintenance record.

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What to include in a crane 250-hour service procedure

This crane 250-hour service procedure covers 8 key areas:

Engine: drain and replace engine oil (15W-40), replace oil filter, inspect air filter, drain fuel/water separator, check coolant, inspect fan belts.
Hydraulic system: check hydraulic oil level.
Wire ropes and rigging: visual wire rope inspection (broken wires, corrosion, kinks, bird-caging), check hook throat opening, safety latch and swivel, inspect sheaves and pulleys.
Boom and structure: inspect boom sections for cracks, dents and corrosion, grease boom pivot pins, grease boom extension slides and pads.
Slew system: grease slew bearing.
Outriggers: grease outrigger pins and cylinders, check outrigger pad condition.
Safety systems: inspect LMI/RCI operation, test anti-two-block device, test hoist limit switches.
Electrical and safety devices: check battery, test lights, horn and alarm, check fire extinguisher.

How to use this crane 250-hour service procedure

Position the crane on firm, level ground with the boom fully retracted and lowered, outriggers retracted, engine shut down and keys removed. Allow the engine to cool before draining oil.: Park on a firm, level surface away from overhead power lines and traffic. Retract the boom fully and lower it to the boom rest. Retract all outriggers. Remove the ignition key and allow the engine to cool for at least 15 minutes before draining oil.
Record the equipment details and current hour meter reading at the top of the service procedure form.: Capture the crane registration, fleet number, make, model, maximum capacity, boom length and the current engine hour meter reading. Compare the reading against the previous service to confirm the correct 250-hour interval has elapsed.
Start with the engine section: drain the old engine oil, replace the oil filter, fill with new oil to the correct level, then inspect the air filter, drain the fuel/water separator and check coolant.: Use the manufacturer-specified oil grade (typically 15W-40). Refill to the full mark on the dipstick. Check the air filter restriction indicator and replace the element if in the red zone. Drain the fuel/water separator bowl completely and check coolant level and concentration.
Check hydraulic oil level. Inspect wire ropes visually for broken wires, corrosion, kinks and bird-caging. Check hook throat opening, safety latch and swivel. Inspect sheaves and pulleys.: Check hydraulic oil on the sight glass with the boom retracted and lowered. Inspect the full length of each wire rope for broken wires (count visible breaks per lay length), corrosion, kinking and bird-caging. Measure hook throat opening with a calliper and compare to the rejection limit. Verify the safety latch springs closed and the swivel rotates freely.
Inspect boom sections for cracks, dents and corrosion. Grease boom pivot pins, boom extension slides and pads. Grease slew bearing.: Inspect each boom section at welds, pivot points and high-stress areas. Look for paint cracking that may indicate underlying stress. Apply EP2 grease to all boom pivot pins, extension slide pads and the slew bearing grease nipple until fresh grease purges from the seal.
Grease outrigger pins and cylinders. Check outrigger pad condition.: Apply EP2 grease to each outrigger pivot pin and cylinder mount pin. Inspect outrigger pads for cracking, deformation or excessive wear. Check outrigger cylinder chrome rods for scoring or pitting that could cause seal failure.
Test safety systems: inspect LMI/RCI operation, test anti-two-block device and hoist limit switches.: Power up the LMI/RCI and verify it displays correct boom length and angle. Slowly raise the hook to trigger the anti-two-block device and confirm it stops the hoist. Test both upper and lower hoist limit switches by approaching each limit and confirming the system stops. Reset all devices after testing.
Check the battery, test all lights, horn and alarm. Check fire extinguisher pressure, pin, seal and expiry.: Inspect battery terminals for corrosion and ensure connections are tight. Test all exterior lights including work lights, indicators and beacon. Sound the horn and reversing alarm. Confirm the fire extinguisher gauge is in the green zone, the pin and seal are intact, and the service date has not expired.
Start the engine and check for leaks, abnormal noises or warning lights. Check the oil pressure gauge and all instrument readings. Record any defects or recommendations in the notes section.: Run the engine and monitor oil pressure, coolant temperature and charge indicators. Walk around the crane checking for oil, coolant or hydraulic leaks. Operate the slew, hoist and boom extend/retract functions briefly to check for smooth operation. Record all defects with severity and recommended actions.
Set the next service due hours (next 250-hour and next 500-hour intervals). Sign off and update the crane's maintenance log.: Calculate the next 250-hour and 500-hour service due hours from the current reading. Update the service sticker in the cab, the crane maintenance log book and the fleet management system. Obtain sign-off from the service technician.

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How often should you complete this service procedure?

Mobile cranes should receive a 250-hour minor service every 250 engine hours, which equates to roughly every four to six weeks of full-time operation. Between scheduled services, the crane operator must complete a daily pre-start inspection covering wire ropes, hook, safety devices, lights, fluid levels and general condition before each shift.

The 500-hour intermediate service is due at every second 250-hour interval and adds wire rope measurement, brake inspection and LMI calibration. The 1,000-hour major service adds hydraulic oil change, structural NDT and load testing. Cranes that sit idle for extended periods should still receive a service at least every six months to address time-based degradation. Always follow the crane manufacturer service schedule and any site-specific requirements.

Frequently asked questions

Applicable regulatory standards

This template aligns with the following regulations and standards:

AS 2550:2011 - Cranes, Hoists and Winches - Safe Use (general requirements for crane operation and maintenance)
AS 2759:2004 - Steel Wire Rope - Use, Operation and Maintenance (wire rope inspection and discard criteria)
WHS Regulations 2011, Chapter 5 - Plant and Structures (registration, inspection and maintenance of cranes)

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