9300 backhoe valve question

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boaterri
420 crawler
420 crawler
Posts: 25
Joined: Sat Oct 02, 2010 11:14 am
Location: Florida

9300 backhoe valve question

Post by boaterri » Fri Oct 06, 2017 3:56 pm

Hello all:
While using the backhoe attachment on my 450c track loader the boom function became very sluggish and jerky. It also wanted to float up while digging unless a little down pressure was applied before dipper in. Other functions (stabilizers, swing, dipper and curl) appear to operate normally. Without the back hoe attachment the track loader hydraulics function normally.

I suspect that the boom valve has partially failed. Where can rebuild kits for these valves be purchased? I would buy all of them and change them out as a set since if one has gone away the others can't be far behind.

Thanks in advance for your suggestions.

Rick

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