Door Lock Cylinder: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Side | ||||
| Without GTU | 0.9 | 0.6 | C | |
| With GTU | 0.4 | 0.2 | C | |
| Note | ||||
| To Code Cylinder, Add | 0.5 | 0.3 | C |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Side | ||||
| Without GTU | 0.9 | 0.6 | C | |
| With GTU | 0.4 | 0.2 | C | |
| Note | ||||
| To Code Cylinder, Add | 0.5 | 0.3 | C |