13 Aug Equipment Breakdown – JSA

Equipment Breakdown Job Safety Analysis (JSA)

Job / Task

Response to the breakdown, malfunction, failure, or unexpected shutdown of mobile equipment, machinery, powered tools, or other work equipment, including securing the equipment, controlling hazardous energy, troubleshooting, repair coordination, recovery, and return to service.

Purpose

This Job Safety Analysis (JSA), also known as a Job Hazard Analysis (JHA), identifies hazards associated with equipment breakdowns and establishes controls to prevent unexpected movement or startup, hazardous-energy release, struck-by and caught-between injuries, electrical exposure, fire, spills, and unsafe repair or recovery activities.

Personnel Qualifications and Responsibilities

Only trained and authorized personnel shall inspect, troubleshoot, repair, service, or recover equipment. Employees shall not bypass guards, safety devices, interlocks, or energy-control procedures in an attempt to restore operation.

Equipment Operators

• Stop operation when abnormal noise, vibration, warning lights, loss of control, leakage, overheating, smoke, or other malfunction is observed.
• Move equipment to a safe location when this can be done without increasing the hazard.
• Shut down, secure, and report the breakdown.
• Do not perform repairs beyond their training and authorization.

Supervisors / Competent Personnel

• Assess the breakdown area and establish controls for traffic, energy sources, unstable equipment, spills, fire, and other hazards.
• Ensure qualified personnel are assigned to troubleshooting, repair, towing, lifting, or recovery.
• Coordinate lockout/tagout, barricading, repair resources, and return-to-service authorization.

Maintenance / Qualified Personnel

• Follow applicable energy-control, electrical-safety, manufacturer, and maintenance procedures.
• Verify equipment is in a zero-energy or otherwise controlled state before servicing where required.
• Use appropriate tools, parts, lifting devices, blocking, PPE, and test equipment.
• Document repairs and verify safe operation before release.

Required PPE and Equipment

PPE and equipment shall be selected for the specific breakdown and may include:

• Hard hat.
• Safety glasses or goggles; face protection where required.
• Safety footwear.
• Work gloves appropriate to the task.
• High-visibility apparel when exposed to traffic or mobile equipment.
• Hearing protection where required.
• Arc-rated or electrical PPE when required for qualified electrical work.
• Chemical-resistant PPE when responding to fuel, hydraulic-fluid, coolant, battery-electrolyte, or chemical releases.
• Lockout/tagout devices.
• Wheel chocks, blocking, cribbing, jack stands, or other rated support devices.
• Barricades, cones, warning signs, and lighting.
• Rated towing, rigging, lifting, or recovery equipment when required.
• Fire extinguisher and spill-control materials appropriate to the hazard.
• Manufacturer-approved tools, diagnostic equipment, and replacement components.

5.0 JSA – Job Steps, Hazards, and Controls

Step 1 – Recognize Equipment Malfunction

Potential Hazards

• Loss of control.
• Mechanical failure.
• Fire.
• Unexpected movement.

Required Controls

• Stop work when warning lights, abnormal sounds, vibration, smoke, overheating, leakage, loss of power, steering or braking problems, or other abnormal conditions occur.
• Do not continue operating damaged or malfunctioning equipment to finish the task.
• Maintain control and move away from immediate hazards when possible.
• Warn nearby personnel if the failure creates an immediate hazard.

Step 2 – Move Equipment to a Safe Location, If Possible

Potential Hazards

• Collision.
• Struck-by hazard.
• Further equipment damage.

Required Controls

• Move equipment only if it remains controllable and movement will reduce overall risk.
• Select a level, stable location away from traffic, excavations, overhead hazards, ignition sources, and active operations when feasible.
• Use hazard lights or warning devices as appropriate.
• If equipment cannot be moved safely, stop in place and establish traffic or work-zone controls.

Step 3 – Shut Down and Secure Equipment

Potential Hazards

• Unexpected startup.
• Rolling.
• Attachment movement.

Required Controls

• Place controls in neutral or the manufacturer-recommended shutdown position.
• Lower buckets, blades, forks, booms, attachments, and suspended loads to a stable position whenever possible.
• Set the parking brake and shut off the engine or power source.
• Remove the key or otherwise control startup when appropriate.
• Chock wheels when required by terrain, equipment condition, or maintenance activity.

Step 4 – Establish an Exclusion Zone

Potential Hazards

• Struck-by injury.
• Traffic exposure.
• Unauthorized contact.

Required Controls

• Use cones, barricades, signs, spotters, or other controls appropriate to the location.
• Keep unnecessary personnel away from the disabled equipment.
• Maintain safe access for maintenance and recovery personnel.
• Provide adequate lighting for nighttime or low-visibility conditions.
• Increase the controlled area when equipment, loads, or components are unstable.

Step 5 – Report the Breakdown

Potential Hazards

• Delayed repair.
• Uncoordinated response.

Required Controls

• Notify the supervisor or designated equipment contact.
• Provide the equipment identification, location, observed symptoms, warning indicators, and any known hazards.
• Report injuries, spills, smoke, fire, electrical hazards, or unstable conditions immediately.
• Request qualified maintenance, towing, recovery, or emergency resources as needed.

Step 6 – Conduct Initial Hazard Assessment

Potential Hazards

• Stored energy.
• Fire.
• Electrical exposure.
• Unstable equipment.

Required Controls

• Assess conditions from a safe location before approaching failed components.
• Identify mechanical, hydraulic, pneumatic, electrical, thermal, gravitational, chemical, and pressure hazards.
• Check for damaged structures, raised components, leaking fluids, hot surfaces, broken conductors, and unstable loads.
• Do not begin troubleshooting until hazards are controlled.

Step 7 – Apply Lockout / Tagout and Energy Control

Potential Hazards

• Unexpected startup.
• Crushing.
• Electrocution.
• Pressure release.

Required Controls

• Follow the applicable lockout/tagout or hazardous-energy-control procedure before servicing when required.
• Identify all energy sources, including electrical, mechanical, hydraulic, pneumatic, thermal, gravitational, and stored pressure.
• Isolate, lock, tag, block, bleed, discharge, or otherwise control energy as required.
• Verify isolation before work begins.
• Only authorized personnel may remove locks or restore energy under established procedures.

Step 8 – Control Raised or Suspended Components

Potential Hazards

• Crushing.
• Component collapse.
• Hydraulic failure.

Required Controls

• Lower raised components before servicing whenever possible.
• If a component must remain raised, use manufacturer-approved mechanical supports, blocking, cribbing, or rated stands.
• Never rely solely on hydraulic pressure, a jack, or suspended rigging to support equipment during maintenance.
• Keep personnel out from beneath unsupported components.

Step 9 – Address Fluid Leaks

Potential Hazards

• Injection injury.
• Slip hazard.
• Fire.
• Environmental release.

Required Controls

• Do not use hands to locate hydraulic leaks under pressure.
• Relieve system pressure before disconnecting hoses or fittings.
• Use appropriate PPE and tools.
• Contain fuel, oil, coolant, or hydraulic-fluid releases with compatible spill-control materials.
• Report and manage spills according to the applicable spill-response procedure.

Step 10 – Address Electrical or Battery Hazards

Potential Hazards

• Electrical shock.
• Arc flash.
• Battery explosion.
• Chemical burns.

Required Controls

• Electrical troubleshooting shall be performed only by qualified personnel when required.
• Disconnect and isolate electrical sources according to manufacturer and energy-control procedures.
• Protect battery terminals from short circuits.
• Keep sparks, flames, and smoking away from batteries and charging areas.
• Use appropriate PPE when handling damaged or leaking batteries.

Step 11 – Address Overheating, Smoke, or Fire

Potential Hazards

• Burns.
• Fire.
• Explosion.
• Toxic smoke.

Required Controls

• Shut down equipment and evacuate the immediate area when fire or significant smoke is present.
• Call emergency services when required.
• Only trained personnel may use portable extinguishers when conditions are within their training and a safe escape route is maintained.
• Do not open hot pressurized cooling systems until safely cooled and depressurized.
• Treat re-ignition as a continuing hazard.

Step 12 – Troubleshoot the Equipment

Potential Hazards

• Unexpected movement.
• Contact with moving parts.
• Electrical or pressure exposure.

Required Controls

• Troubleshooting shall be performed by trained and authorized personnel.
• Follow manufacturer diagnostic procedures where available.
• Keep guards and protective devices in place unless removal is necessary and energy is controlled.
• Use properly rated test equipment and tools.
• If energized testing is necessary, use an approved procedure and controls appropriate to the hazard.

Step 13 – Remove Guards or Access Panels

Potential Hazards

• Sharp edges.
• Moving parts.
• Unexpected startup.

Required Controls

• Verify required energy isolation before removing guards or panels.
• Use appropriate tools and gloves.
• Secure removed components to prevent falling.
• Keep fasteners and parts organized.
• Reinstall all guards and panels before normal operation resumes.

Step 14 – Repair or Replace Failed Components

Potential Hazards

• Pinch points.
• Heavy components.
• Stored energy.
• Improper parts.

Required Controls

• Use replacement parts suitable for the equipment.
• Use mechanical lifting assistance for heavy or awkward components.
• Maintain blocking and energy controls throughout repair.
• Follow torque, alignment, adjustment, and installation requirements.
• Do not improvise unsafe temporary repairs.

Step 15 – Jack, Lift, or Support Equipment

Potential Hazards

• Equipment collapse.
• Crushing.
• Jack failure.

Required Controls

• Use jacks and lifting devices rated for the load and suitable for the lifting point.
• Place equipment on firm, stable ground.
• Use designated lifting points when provided.
• Install rated stands, cribbing, or blocking before personnel work beneath or adjacent to elevated equipment.
• Never work under equipment supported only by a jack.

Step 16 – Tow or Recover Disabled Equipment

Potential Hazards

• Tow-line failure.
• Unexpected movement.
• Collision.
• Crushing.

Required Controls

• Use qualified personnel and a recovery plan appropriate to equipment weight, terrain, condition, and location.
• Use rated tow points, shackles, slings, chains, cables, or recovery devices.
• Keep personnel clear of tensioned lines and potential recoil zones.
• Establish communication between operators and spotters.
• Do not use damaged or unrated recovery equipment.

Step 17 – Recover Equipment Near Slopes, Excavations, or Unstable Ground

Potential Hazards

• Rollover.
• Ground collapse.
• Equipment sliding.

Required Controls

• Evaluate ground stability and slope conditions before recovery.
• Keep recovery vehicles and personnel outside collapse or rollover zones.
• Use engineered or specialized recovery methods when conditions exceed normal capability.
• Do not position personnel downhill or beneath unstable equipment.
• Stop recovery if ground conditions deteriorate.

Step 18 – Manage Breakdown in Traffic Areas

Potential Hazards

• Vehicle collision.
• Struck-by injury.

Required Controls

• Establish traffic control before maintenance or recovery begins.
• Use high-visibility apparel and warning devices.
• Position service vehicles to provide protection only when consistent with the traffic-control plan.
• Use spotters where visibility is limited.
• Coordinate with site or roadway authorities when required.

Step 19 – Manage Breakdown Near Overhead Power Lines

Potential Hazards

• Electrocution.
• Arc flash.

Required Controls

• Maintain required clearance from overhead electrical lines.
• If equipment contacts an energized line, keep personnel away and notify the utility and emergency services.
• The operator should remain in the cab unless fire or another immediate hazard requires evacuation.
• Do not approach or touch equipment until the electrical source has been confirmed de-energized by the appropriate authority.

Step 20 – Inspect Completed Repairs

Potential Hazards

• Incomplete repair.
• Loose components.
• Guarding deficiencies.

Required Controls

• Inspect repaired components before energy is restored.
• Verify tools, rags, blocking, and loose materials are removed.
• Confirm guards, covers, hoses, fittings, fasteners, and safety devices are properly installed.
• Check fluid levels and inspect for leaks.
• Confirm the work area is clear of personnel.

Step 21 – Remove Lockout / Tagout and Restore Energy

Potential Hazards

• Unexpected startup.
• Personnel exposure.

Required Controls

• Follow the established lockout/tagout removal procedure.
• Verify employees are clear and equipment is ready for startup.
• Notify affected personnel before re-energization.
• Remove locks and tags only by authorized means.
• Restore energy in a controlled sequence.

Step 22 – Conduct Operational Test

Potential Hazards

• Unexpected movement.
• Repeat failure.
• Component rupture.

Required Controls

• Start equipment from the normal operating position when possible.
• Keep unnecessary personnel clear during testing.
• Test functions at low speed or no load where practical before full operation.
• Monitor gauges, alarms, leaks, sounds, vibration, brakes, steering, controls, and safety devices.
• Shut down immediately if abnormal conditions recur.

Step 23 – Return Equipment to Service

Potential Hazards

• Unsafe equipment released.
• Operator unaware of repairs.

Required Controls

• Release equipment only after qualified personnel determine it is safe to operate.
• Communicate repairs, restrictions, or follow-up inspection requirements to the operator.
• Remove barricades and traffic controls only after the equipment and area are safe.
• Update inspection or maintenance records as required.

Step 24 – Document the Breakdown and Repair

Potential Hazards

• Recurring failure.
• Incomplete maintenance history.

Required Controls

• Record the reported malfunction, inspection findings, repairs, parts replaced, testing, and return-to-service status.
• Document unresolved defects and remove equipment from service when necessary.
• Report recurring failures for further evaluation.
• Retain required maintenance and inspection records.

Step 25 – Conduct Post-Breakdown Review

Potential Hazards

• Repeat incident.
• Uncorrected systemic hazards.

Required Controls

• Review significant or recurring breakdowns to identify contributing factors.
• Evaluate inspection frequency, preventive maintenance, operator practices, loading, environmental conditions, and component life.
• Implement corrective actions as appropriate.
• Communicate relevant lessons learned to affected employees.

General Safe Work Requirements

• Equipment showing unsafe defects, malfunction, or damage shall be removed from service until evaluated and repaired.
• Operators shall not continue using equipment when steering, braking, structural, electrical, hydraulic, guarding, control, or other safety-critical systems are defective.
• Only trained and authorized personnel shall troubleshoot, service, repair, tow, lift, or recover equipment.
• Hazardous energy shall be isolated and controlled before servicing when required.
• Raised equipment and components shall be mechanically supported before employees enter crushing zones.
• Employees shall never place any part of the body beneath equipment supported only by hydraulic systems or jacks.
• High-pressure fluid leaks shall never be located by hand.
• Guards, interlocks, alarms, and safety devices shall not be bypassed to keep equipment operating.
• Spills, fire hazards, traffic exposure, unstable ground, and overhead electrical hazards shall be controlled before repair or recovery begins.
• Rated and compatible lifting, blocking, towing, rigging, and recovery equipment shall be used.
• Operational testing shall be performed in a controlled area with personnel clear of moving equipment.
• Equipment shall not return to service until repairs and required safety functions have been verified.
• Breakdowns and repairs shall be documented according to applicable inspection and maintenance procedures.

Training

Employees shall receive training appropriate to their assigned equipment and responsibilities. Training shall address recognition and reporting of equipment defects, safe shutdown, traffic and exclusion-zone controls, hazardous-energy awareness, lockout/tagout responsibilities, stored-energy hazards, raised-equipment support, hydraulic and electrical hazards, spill and fire response, towing and recovery limitations, and return-to-service requirements. Maintenance and qualified personnel shall receive additional training appropriate to the systems they inspect, troubleshoot, and repair.

References

• Applicable OSHA requirements for machinery, mobile equipment, electrical safety, personal protective equipment, and control of hazardous energy.
• OSHA 29 CFR 1910.147 – The Control of Hazardous Energy (Lockout/Tagout), where applicable.
• Applicable construction equipment requirements in 29 CFR Part 1926.
• Equipment manufacturer operating, inspection, maintenance, and repair instructions.
• Applicable lockout/tagout, mobile-equipment, spill-response, fire-response, electrical-safety, and maintenance procedures.
• Applicable site and client requirements.