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Kobelco SK35SR2 travel motor hose routing

loopman

New Member
Joined
May 8, 2018
Messages
2
Location
Australia
Hello all,

I had a hose end fail from corrosion on the travel motor of this machine, seemed like a simple job to replace the ~1m hose. How naïve I was :rolleyes:

The issue is the 4 x hoses from the travel motor are routed along the frame and then enter an approximately 2" sheath for the journey internally in the frame up to where they exit to connect onto the swivel joint. The sheath is like thin wall poly pipe, quite rigid and relatively tight around the hoses, and I had a difficult time pulling the old hose out having to resort to a hand winch. I am certain using similar force on the new hose would cause damage to it and am at a loss of what to do to thread it back through the run.

An image is attached showing the outer sheath in yellow, I have tried pulling the sheath out of the frame over the remaining hoses in the thoughts of cutting it off and replacing with spiral wrap, but it seems unwilling to move.

I am guessing the "proper" way would be to remove all 4 x hoses from the motor and remove them complete, then remove/replace the troublesome hose on the bench where maybe some heat applied might make the sheath a bit more flexible?? Unfortunately due to corrosion on the remaining fittings I am worried that removing them will break something and more expensive hoses would need to be replaced (the single one was ~$220).

Am I overlooking something or is there a trick to use in situations like this?
 

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  • Kobelco travel motor hoses.png
    Kobelco travel motor hoses.png
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Last edited:

loopman

New Member
Joined
May 8, 2018
Messages
2
Location
Australia
I'll give it another go this weekend, all I can think of is hooking up a heat gun to blow through the tube/sheath to make it a bit more pliable and try again to pull the new hose through. Fingers crossed.
 
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