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question Zetor 9540 problem

Conor9540

New member
Level 1
Joined
May 4, 2025
Messages
1
Location
Ireland
Dealer:
  1. Zetor parts
First name
Conor
Machinery:
Zetor 9540
Have a zetor 9540 when the torque multiplier is on low she’s very jumpy while driving almost like clutch is slipping and the pto doesn’t work. When the multiplier is on high position everything works fine pto and drives normal. Another problem which I don’t know if it’s connected or not when I pull spool lever tractor cuts out completely any help would be appreciate

So far I’ve checked:
Oil level was correct
Torque packs
Valve chest for pto and torque multiplier
Main clutch
Small hydraulic pump next to the filters

Is there anything else I can check ?
 
I think you have to check the hydraulic pressure for the gearbox, the valves and the clutch pakets.

hard to say, from far away, sorry
 
hi Conor9540.have you made sure the o'ring on the magnetic filter ,and the o'ring on the suction strainer are air tight ? if air car bypass those rings you will get those symptoms. It could also be the gasket between the pump/filter housing and the gearbox housing .my father had both of those issues with his 9540 in the 12000 hours or so he's had the tractor. also are you running the right type of oil in the transmssion?
 

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