New guy with a 450b

camjeep3 · Post by **camjeep3** » Wed Sep 04, 2013 8:29 pm

Hey guys. I have had my loader now for over a year. Very low hour machine. has the drott 4n1 and a backhoe. I bought the machine becuase we have 72 acers. lots of it is overgrown underbrush and smaller trees. I had been using the machine having no problems. It is really strong and I really have been pleased with it. I had a few hoses go out but no big deal. Until my hydraulic pump went out in the middle of the woods.I replaced it and filled my hydraulic tank back up and it all dumped out below the machine.

So now I have to pull the belly pan... out in the woods any tips? or anything I should know? THanks guys.

Scottyb · Post by **Scottyb** » Thu Sep 05, 2013 7:08 pm

If you have a strong rops you might want use a winch and lift your loader bucket up in the air over the top of the rops and chain it up to get out of them woods.

I had a hole rubbed into the main rigid hydraulic line from the pump to the tank. I replaced it with flexible hose. It had many old welds in it from older repairs. Yours might have the same problem or even a crack.

Scott

Scottyb · Post by **Scottyb** » Thu Sep 05, 2013 7:09 pm

correct mutli post

Scottyb · Post by **Scottyb** » Thu Sep 05, 2013 7:10 pm

correct

camjeep3 · Post by **camjeep3** » Thu Sep 05, 2013 7:30 pm

I drove it in reverse to a better location. The whole property is woods, so no shop or anything. and taking it somewhere else to work on it is probably out of the question. I do have a mobile welder/generator and a compressor so Im sure I can get it done. I know one of my hard lines going down the loader arm rubbed a hole. It had a few spots that had been brazed previously. Im pretty sure the line coming out of the tank was tore up by a small tree... there was one wedged between the track and frame. I guess I should be ready to get dirty, I know there is probably 20 gallons of oil sitting on those pans

DrLoch · Post by **DrLoch** » Fri Sep 06, 2013 6:31 am

When you say the oil dumped out, was that immediately? Like as fast as you poured it in, it was running out? On my machine the both of the lines running from the pump have been replaces with hoses. I also had the added bonus of them using a galvanized street ell for one of the fittings.

If the oil is running out immediately then I would suspect the suction line going to the pump has been trashed. If it dumped the fluid after you started it then it would be the pressure line running from the pump to the valve bank. Either way you need to lower the belly pan to get at them. Not a job I look forward to..

camjeep3 · Post by **camjeep3** » Fri Sep 06, 2013 7:18 am

as fast as i poured the oil in it was running back out. Im pretty sure its the line running to the pump, I take it that it is up under the pan?

camjeep3 · Post by **camjeep3** » Fri Sep 06, 2013 8:08 am

I have also decided that when I tear into the machine I am replacing ALL of the hard to get to lines. I hate down time and having to redo the same job. especially out in the still spider infested South carolina woods! Here are a few pics of my loader,

JWB Contracting · Post by **JWB Contracting** » Fri Sep 06, 2013 9:12 pm

My guess is that your suction line came loose from the hydraulic tank. Pull your seat cushion and take a look.

The metal lines are connected by rubber hose and hose clamps.

DrLoch · Post by **DrLoch** » Sat Sep 07, 2013 6:42 am

To get the lines/hoses routed correctly I believe you're going to have to lower the belly pan. I'm in North Carolina so I know what you mean about the bugs.

camjeep3 · Post by **camjeep3** » Sat Sep 07, 2013 7:27 am

Im glad someone else can feel my pain about the bugs! It would be nice if I could pop the seat off and the line was right there! I would feel stupid for not having thought of doing that already though

I will probably go out and check today

Paul Buhler · Post by **Paul Buhler** » Sun Sep 08, 2013 9:08 am

My guess is that your suction line came loose from the hydraulic tank. Pull your seat cushion and take a look.

The metal lines are connected by rubber hose and hose clamps.

Here's hoping Jason's right. If he is, then this might be a good time to elevate the crawler, drop the pan(s) and look at the steel line situation. Loose clamps and worn tubes are common and they never fail at a convenient time. Fixing them on your schedule rather than having a "must do" saves costs and frustration.
Nice looking machine.
Good luck. Paul

camjeep3 · Post by **camjeep3** » Mon Sep 09, 2013 11:10 am

I pulled the seat off and I see the line you are talking about, Im sure it is on that line somewhere. the hose was still tight on the metal line though. I did have a limb wedge itself up in there, so Im guessing it tore the rubber somewhere down the line. Time to drop the pans, something I have been dreading.

Paul Buhler · Post by **Paul Buhler** » Mon Sep 09, 2013 12:13 pm

Back it up on 4 blocks of firewood to get clearance underneath for your body. Use supported bottle jacks for pan support and start loosening at one end working towards the other. In your case front to rear so you don't have to deal with the bucket. The pans are usually sprung, but the oily sludge in them often keeps the bolts loose so they remove somewhat more easily. The challenge comes putting it back on

when everything else is fixed. Lining things up and dealing with the few bolts/welded-in nuts that are stripped takes patience and care not to get something pinched. Good luck. At least you have a flat place to work.

camjeep3 · Post by **camjeep3** » Tue Sep 10, 2013 5:38 am

Thanks for the tips guys. I will probably wait a few more weeks for the heat and bugs to die down. I hope to get alot of work done this winter... When this crawler is running it really tears it up

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New guy with a 450b

New guy with a 450b

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