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Gian Businesses Index & Contractors in Levin and wellington NZ
 
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HITACHI

UH041 EXCAVATOR REBUILDING TOP ROLLER

 

 

 

To have your TOP ROLLER checked we found one of ours was loose with no O ring & oil [ grease we are using due to a no rebuild of the inner seal base ] so we decided to replace with new undersize bronze bushes which we machined to fit. This is a good temp fix but ultimately check the cost of machining as against a new roller. I am not sure what other rollers will fit but I am sure they are universal ----anyone out there can help let us know!!!!!!!!!

 

 

 

 

Bushes in our lathe

If your track is still on loosen the idler arm grease nut and with your bucket tie as chain around the track and to your bucket then lift the track up. You can then get at the 4 bolts holding the roller and take out. You will see 3 bolts on the outside cap then you can take off &the plate on the pin. Check for wear on the pin which you can either build up and then grind down on a lathe or alternatively replace with bronze bushes which may also need to be machined.

   

 

 

 

 

Who are the experts: For rollers idlers etc MANAWATU HYDRAULICS are the guys who can machine all your parts for excavators, bulldozers etc. They will recondition your old parts etc so seek their advice before using genuine parts that cost. Paul Burr 06357-1365 or mobile 027243-0469 827 Tremaine Ave, Palmerston North

 

 

The inside of the roller thats worn but as this is a temporary remake we have cleaned only as best we could. These rollers are normally oil filled but in our case we are using grease. We made steel end seal rings that we machined & made the O rings. Cap on your left we have inserted a nipple for grease then replace after with a plug. As these top rollers are easy to access we are trying to find substitutes that will fit to finally replace eg. Cat D4-6 ? Komatsu etc. Will keep you posted but let us know if anyone else has ideas?

 

FARM MACHINERY, EXCAVATORS,BULLDOZERS ETC

Top roller idea of measurements & if other different models fit. Let us know if you have

similar ?

The top roller in the pic above

 

 

Our rebuilt sprocket using low hydrogen arc welding rods: Weldwell 3.2mm 56S rods. Note as this machine is old we have sand blasted and cleaned then used old industrial enamal paint on the steel. This gives a protective coating. You can use any old enamel oil based paint.

Wanted to buy: Hitachi UH041 workshop manual or repair mauals.

Just email us!!!!!!!!!!

 

 

"After all these years when will the costs of things slow down in NZ "

 

 

More[ UH041 Kawasaki swing hydraulic motor ] [ Hitachi UH041 ] [ Hitachi UH041 rebuild sprockets ] [ Hitachi UH041 rebuild track links ] [ Excavator New Parts ] [ ISUZU ELF ] [ ISUZU ELF MOTOR ] [ ISUZU MASTER CYLINDER KIT ]

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