Rotary exhauster - Technical Troubleshooting discussion in Forkliftaction's forums

Hyster S80XM-BCS:
Rotary exhauster

I have been working on lifts for over 40 years and never heard of a rotary exhauster. What the heck does it do??

Posted 1 Mar 2025 07:25
Discussion started by JayR
Florida, United States

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Jay,

The rotary exhauster is used to provide vacuum for vehicle brake system. This is mounted on the right side of the engine as you sit in the seat. I guess you have a Perkins engine?

Engines that are diagnosed with excessive crankcase blow-by must first have the rotary exhauster removed from the engine and the engine
run for this diagnosis to be valid. A brake booster diaphragm failure may also cause the rotary exhauster front seal to be pushed out causing
crankcase pressurization. Good Luck

Posted 4 Mar 2025 00:11
Reply by Fishmech
Virginia, United States

The hard to do we do right away. The impossible just takes a little longer.

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