Got plugs out of c.o.m.

r.w.b.

Well-known Member
Went to town,got all new plugs for all
compartments on my 411b.least most been removed
before.
Was thinkin how am i getting that 1 out.got
home,remembered a bucket full of stuff i got at a
sale.lots of cutters on hex shafts.found 1 about
the size of hole in bad plug,tad big.chucked it
in drill press darn hard but after 10 minutes i
tapered the cutter head.i hammered it in my old
plug,got a socket that fit the hex,used my hammer
impact driver,5 sharp raps she unscrewed.
I removed all lines used air hose got nasty oil
out removed filter housing at radiator washed it
out ,used air hose on cooler.put back
together,c.o.m. Gained pressure,needle always set
low of white stripe on guage,now its to high
side.releases better at idle to shift,hydraulics
are fast.
Id say that front plug was never removed thus the
really nasty oil because all other plugs were
worn from removing.
 

What oil are you using in the torque tube? I believe that using automatic transmission fluid, type A, will keep the internal parts cleaner than the motor oil that the manual calls for.
 
I went with hydraulic oil,i switch cylinders with
other tractors and they are all on same oil.
Thought about atf but every cylinder has the same
hydraulic oil.
 
Problem with hydraulic oil in a COM is that the clutch pack is likely to start slipping and overheat and warp the plates. This leads to dragging and gear grinding. Want to guess how I know?
 
I use low Viscosity Hyguard in my com, I know sacrilege but works great summer and winter wont harm clutch material.
 
If you seen what came out of the front inner plug you would think hydraulic fluid was a blessing,id bet its the first time it was drained.
Its only used to spray and brushhog,but im changing it again before fall,as much as i cleaned,flushing oil cooler you still see some water in the oil not a lot but any is too much.
 

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