Claas ares quadrishift issue

dod1e

Member
Livestock Farmer
Location
Aberdeenshire
Hi All,

Have an 826 that shifts fine when cold, but wont shift from 1 - 2 when hot. 2 lights up but no ratio change. Next press goes direct to 3, which can be quite a jerk when mowing etc.

On the way down it goes from 3 - 2 no probs, so to go from 1 - 2 you end up trying to go up 2 and down 1 as fast as possible but can never press the buttons fast enough to avoid the jerk.

Hope that makes sense. Any thoughts?

Seems to me that all solenoids must still work for it to do what its doing so must be something mechanical.

Cheers

Dod
 

dod1e

Member
Livestock Farmer
Location
Aberdeenshire
similar with a valmet here misses out middle shift when going up odd time but never on downshift, normally is solenoid on way out.
A solenoid for 1
Both for 2
B for 3
None for 4.

Why would it go into 3 but not 2 on the way up if b solenoid goes normally get 1,1, 4, 4?

Worried its a sign of something more serious with the powershift unit.
 

wdah/him

Member
Location
tyrone
A solenoid for 1
Both for 2
B for 3
None for 4.

Why would it go into 3 but not 2 on the way up if b solenoid goes normally get 1,1, 4, 4?

Worried its a sign of something more serious with the powershift unit.
made no sense to me I swapped a diff solenoid a few times in our 6180 mf for other to check them, as it wasn't used
 

masseybreaker

Member
Location
wakefield
i think its the same as a 8200 dynashift it could be a solanoid sticking also i have seen on older 8100 one of the pipes from the control block into the actual unit crack so the control is working properly. but loosing oil pressure so not changing up
 

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