No. 488 & 820 Univ. Tester Safety Manual
Safety manual for Gleason No. 488 and No. 820 Universal Testers covering essential guarding design and operational safeguards. Provides comprehensive instructions on point-of-operation guard construction featuring a swivel support bracket, adjustable horizontal guard bar, and open mesh protective barrier. Details the solenoid-lock and limit-switch-interlock systems that prevent unsafe machine operation. Specifies access door interlock requirements and zero-speed switch operation with a 50 RPM threshold to halt machine movement before guard removal. Includes electrical safety circuit requirements and interconnected safety switch logic to ensure personnel protection during testing operations. Features complete electrical schematic drawing (TI3A Scale 488 Safety Package) illustrating the solenoid lock mechanism and coordinated safety switch network. Essential troubleshooting and maintenance guidance for technicians responsible for guarding system inspection and repair on these universal test machines.
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Document Details
- Format
- Pages
- 6
- Size
- 1.9 MB
- Category
- Machine Tools