OSHA Accident Investigation · Summary #14457667
MACK TRUCKS INC
HAGERSTOWN, MD—
Event description
Employee's fingertip amputated by hydraulic press
Investigation abstract
On January 3, 1985, Employee #1 was using a direct drive hydraulic press on the he operating lever forward. Employee #1 was putting the first stand on the shaft , but the shaft did not go completely through the stand. Instead of looking to s ee how far through the shaft had gone, Employee #1 placed his left index finger between the shaft and the stop on the holding/spacing bar to gauge the distance between them. The press then finished pushing the shaft to the stop, amputating the tip of Employee #1's finger. He had apparently not disengaged the press befo re inserting his finger. The engines were manufactured by Modern Engineer Servic e of Berkley, MI. engine assembly line, Department 210, to assemble rocker arms for two- and four- valve standard engines. In this operation, a shaft is placed horizontally in the press and an alignment pin is inserted. The first stand is placed on the bed, a location pin is inserted, and a holding/spacing bar is pulled over to hold the stand in a specific location on the bed. The press has a hydraulic cylinder unde r the bed which drives a horizontal ram. The press is activated when the operato r pulls the control lever with his right hand, pushing the shaft through the sta nd to the stop on the holding/spacing bar. The press is deactivated by pushing t
Victim
-
#1 Hospitalized Age 65 M
- Nature of injury
- 1
- Part of body
- 10
- Event type
- 2
- Source
- 26
- Occupation code
- 785
- Human factor
- 14
- Environmental factor
- 1
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.