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Author Topic: LT35HD Hydraulic Electrical Connection  (Read 259 times)

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Offline Rhodemont

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LT35HD Hydraulic Electrical Connection
« on: August 06, 2018, 11:25:53 AM »
This weekend my hydraulics did not always make electrical connection when I returned the head to home to use them.  Many times I had to jog forward or back a couple inches and they would start working.  Wiped of the copper bus bar which looks tarnished but no dust or crude on it. This seemed to help some but still needed to jog some times after that. Do I need to go in and clean up the contact in the carriage and how do you do that? Should I be doing some PM regularly that I am missing? 

Offline Chuck White

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Re: LT35HD Hydraulic Electrical Connection
« Reply #1 on: August 06, 2018, 11:56:13 AM »
I don't know all that much about the LT35, my mill is an LT40!

On my mill there is a spring-loaded ground contact that rides along on the bottom rail, maybe it needs to be cleaned up a little!  That spring-loaded contact is only for the hydraulics!

It could just have a little sawdust in there that interferes with the ground! 

~Chuck~
Retired USAF (1989), Retired School Bus Driver (2012), and now a Mobile Sawyer
1995 Wood-Mizer LT40HDG2425 Kohler - Shingle & LapSider, Cooks Cat Claw Sharpener, 4-foot Logrite cant hook.
Basic mechanical skills are all that's required to maintain the Wood-Mizer.
I LOVE MY SAWMILL

Offline taylorsmissbeehaven

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Re: LT35HD Hydraulic Electrical Connection
« Reply #2 on: August 06, 2018, 12:16:20 PM »
I clean mine every so often with a light sand paper or emory cloth and wipe down with ATF. That having to jog about is annoying! Brian
Opportunity is missed by most because it shows up wearing bib overalls and looks like work.

Offline WV Sawmiller

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Re: LT35HD Hydraulic Electrical Connection
« Reply #3 on: August 06, 2018, 12:49:31 PM »
   Pretty common problem. Last time it happened to me WM said tighten the little spring connector. I did and has worked fine ever since. May even be a slight bow in the copper bar allowing better or worse connections at different spot.
Howard Green
WM LT35HDG25(2015) , 2009 4wd Dodge PU, Kawasaki 650 ATV, Sthil 440 & 441, homemade logging arch (w/custom built rear log dolly), JD 750 w/4' wide Bushhog brand FEL

Dad always said "You can shear a sheep a bunch of times but you can only skin him once"

Offline John S

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Re: LT35HD Hydraulic Electrical Connection
« Reply #4 on: August 06, 2018, 01:31:31 PM »
Yes, if the 35"s have the same spring loaded arm that contacts the strip, you may have to move slightly closer to the strip.  I have had this situation with both LT40's that I have owned.
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Offline Rhodemont

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Re: LT35HD Hydraulic Electrical Connection
« Reply #5 on: August 06, 2018, 02:17:16 PM »
I will clean the copper strip with some fine steel wool, coat with ATF and tighten the spring loaded contact.

Offline SawyerTed

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Re: LT35HD Hydraulic Electrical Connection
« Reply #6 on: August 06, 2018, 07:53:03 PM »
If it was all hydraulics that didnt work then suspect the copper strip and contacts there.  If it was just individual circuits, there is a micro switch on each valve that needs to be adjusted. The manual explains how. The micro switch activates the pump to power that circuit. 
Woodmizer LT35HD25, Kubota MX5100, IH McCormick Farmall 140, Granberg Alaskan Chainsaw Mill, Husqvarna 372XP, Husqvarna 455 Rancher

Offline PAmizerman

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Re: LT35HD Hydraulic Electrical Connection
« Reply #7 on: August 06, 2018, 11:27:14 PM »
Pretty good chance it's the micro switch.
I've been through 3 already. I always keep a spare on hand
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