| Step | Potential Hazard | Control |
|---|---|---|
| Park vehicle and prepare area | Vehicle rollaway, poor visibility to traffic, unstable surface | Park on level ground when possible, set parking brake, activate hazard lights, place cones, use wheel chocks |
| Loosen lug nuts before lifting vehicle | Hand injuries, tool kickback, strain | Use proper wrench size, maintain balanced stance, avoid excessive force, use penetrating oil if needed |
| Position and raise vehicle with jack | Jack failure, vehicle slipping, crush injury | Use manufacturer approved jack points, ensure stable footing, use jack stands before working under or around raised wheel |
| Remove lug nuts and wheel | Dropped wheel, pinched fingers, back strain | Keep hands clear of pinch points, lift with legs not back, roll wheel instead of carrying when possible |
| Inspect replacement wheel or tire | Damaged tire, debris, improper fit | Check bead, tread, and rim for defects, verify correct tire size |
| Install wheel and hand tighten lug nuts | Cross threading, dropped wheel, pinch points | Align wheel properly, thread nuts by hand first to avoid cross threading, keep fingers clear |
| Lower vehicle and torque lug nuts | Vehicle movement, improper torque, tool slip | Lower vehicle carefully, follow star pattern torque sequence, use torque wrench to manufacturer specification |
| Check tire pressure and adjust | Over inflation, under inflation, valve stem damage | Use calibrated gauge, avoid exceeding ratings, inspect valve stem for leaks |
| Clean work area and store tools | Trip hazards, lost tools | Remove tools from ground, store jack and wrench securely, ensure old tire is stowed properly |
Safety glasses
Mechanic gloves
Steel toe boots
High visibility vest when roadside
Hearing protection when using impact tools
Wheel chocks (equipment, not PPE, but essential)
Always have a complete, well-stocked first aid kit available.
JSA Category: General Maintenance and Shop Operations
* The steps, hazards, and controls displayed above may be incomplete or not suit your department's needs. All job safety analyses should be a completed with frontline worker input to ensure that each potential hazard is identified and mitigated.
Please read about The Essentials Elements of a Solid Job Safety Anaylsis here.
Thank you to our primary sponsor, Roadwurx, which is a simple asset management platform for small public works and road departments.
| Step | Potential Hazard | Control |
|---|---|---|
| Park vehicle and prepare area | Vehicle rollaway, poor visibility to traffic, unstable surface | Park on level ground when possible, set parking brake, activate hazard lights, place cones, use wheel chocks |
| Loosen lug nuts before lifting vehicle | Hand injuries, tool kickback, strain | Use proper wrench size, maintain balanced stance, avoid excessive force, use penetrating oil if needed |
| Position and raise vehicle with jack | Jack failure, vehicle slipping, crush injury | Use manufacturer approved jack points, ensure stable footing, use jack stands before working under or around raised wheel |
| Remove lug nuts and wheel | Dropped wheel, pinched fingers, back strain | Keep hands clear of pinch points, lift with legs not back, roll wheel instead of carrying when possible |
| Inspect replacement wheel or tire | Damaged tire, debris, improper fit | Check bead, tread, and rim for defects, verify correct tire size |
| Install wheel and hand tighten lug nuts | Cross threading, dropped wheel, pinch points | Align wheel properly, thread nuts by hand first to avoid cross threading, keep fingers clear |
| Lower vehicle and torque lug nuts | Vehicle movement, improper torque, tool slip | Lower vehicle carefully, follow star pattern torque sequence, use torque wrench to manufacturer specification |
| Check tire pressure and adjust | Over inflation, under inflation, valve stem damage | Use calibrated gauge, avoid exceeding ratings, inspect valve stem for leaks |
| Clean work area and store tools | Trip hazards, lost tools | Remove tools from ground, store jack and wrench securely, ensure old tire is stowed properly |
Safety glasses
Mechanic gloves
Steel toe boots
High visibility vest when roadside
Hearing protection when using impact tools
Wheel chocks (equipment, not PPE, but essential)