OSHA Accident Investigation · Summary #766303

HEAD,MAINTENANCE,WORK RULES,HYDRAULIC CYLINDER,LOCKOUT,STRUCK BY,SWITCHGEAR,INATTENTION

1988-01-29T00:00:00

Event: HEAD,MAINTENANCE,WORK RULES,HYDRAULIC CYLINDER,LOCKOUT,STRUCK BY,SWITCHGEAR,INATTENTION
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 766303
Report ID: 931400

Event description

Employee struck in the head by cylinder arm and killed

Investigation abstract

At approximately 5:15 a.m. on January 29, 1988, Employee #1 attempted to resolve a problem concerning Square D. Co. micro switches, class 9007, type B53-B2. The micro switches cycle a series of Aeroquip Co. hydraulic cylinder arms (#LS-2 1/ 2-53-1 3/8) that position hot metal billets on a conveyor. Employee #1 had posit ioned himself between the hydraulic cylinder arms in order to perform the needed maintenance. While attempting to adjust the micro switch Employee #1 inadverten tly actuated the hydraulic cylinder arm, which then struck him in the head and k illed him.

Victim

#1 Fatality Age 50 M

Nature of injury
1

Part of body
13

Event type
2

Source
26

Occupation code
999

Human factor
18

Environmental factor
4

Task assigned
1

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