Hydro Gear ZT5400 bypass valve

willowcreek

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Jun 15, 2022
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I have a Gravely zero-turn with Hydro Gear ZT5400 transaxles. I'm replacing the hydraulic fluid and filters for maintenance and to replace the overflow reservoirs, which had cracked. All hydraulic functions were working fine. I've drained the fluid and removed the old filters. I can't seem to turn the bypass valves from RUN to BYPASS. Is there a trick if they're stuck or turn hard? Thanks for your replies.
 

willowcreek

Forum Newbie
Joined
Jun 15, 2022
Threads
1
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Thanks. The job is finished and I did about three hours of mowing. All set.
 
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