Manitou 526 hot hydraulics

Farmer mk1

Farmer mk1

Member
Arable Farmer
Location
Sheffield
Hello,

we have a 52 plate 526 manitou and been good as gold but just stopped and noticed steam smoke coming from hydraulic valve block, and also the hydraulic oil tank is red hot. Any cause for this to happen? Will the pump be stuck on full chat as the manitou has only gone a few mile down the road and this has happened so we haven’t been using the arm for 25 mins.
Any info appreciated.
Thanks
 
H

haymaker80

Member
Location
Stafford
We've also had a 52 plate 526 from new and the hydraulics always seem to get really hot when it's being used for any amount of time (although never seen steam/smoke coming off it).
 
ACEngineering

ACEngineering

Member
Location
Oxon
MarkT5 said:
Hello,

we have a 52 plate 526 manitou and been good as gold but just stopped and noticed steam smoke coming from hydraulic valve block, and also the hydraulic oil tank is red hot. Any cause for this to happen? Will the pump be stuck on full chat as the manitou has only gone a few mile down the road and this has happened so we haven’t been using the arm for 25 mins.
Any info appreciated.
Thanks
Click to expand...

Pumps prone to failing, may just be pump worn out and partly seized up or maybe stuck spool but either way if it got that hot will be wanting a new pump and a tank clean out.
 

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