Page 323 - Practical Machinery Management for Process Plants Major Process Equipment Maintenance and Repair
P. 323

Typical Gear Unit Arrangements   303




























































       Figure B-6. Double reduction two speed gear unit (cover removed) uti-
       lizing herringbone gearing and employing a shifter bar  mechanism for
       changing speeds between the two ratios of gearing contained in the hous-
       ing. This reducer powers a conveyor drive handling coal and salt.
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