meyerz1

Southern California

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Joined: 01/05/2009

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Kidoo wrote:
Hope the company will answer my request, otherwise I will not be a happy camper. Camper is only 5 years old without any abuse.
They sold me the parts I needed. Shouldn't be an issue
2012 Ram 2500 short bed 6.7 Laramie
2007 Northstar
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Kidoo

Chicoutimi, Québec, Canada

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Joined: 03/27/2004

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MeyerzLance wrote: Kidoo wrote:
Hope the company will answer my request, otherwise I will not be a happy camper. Camper is only 5 years old without any abuse.
They sold me the parts I needed. Shouldn't be an issue
Thanks, that will make rebuild easier.
Monaco Cayman 34 2003, Cummins 300HP
Bigfoot 2008, 10.4, F350, 2006, Diesel 6.0, Black, 4x4, long box, Air lift, Rancho 9000, Rear sway bar.
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Kidoo

Chicoutimi, Québec, Canada

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Joined: 03/27/2004

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Just got the answer from Hapijac, they answered within a day! They sell the upper assy as a kit for 42 dollars. It includes all what is needed to fix the thing, bearing and washer, wrap clutch spring, connecting barrel and square plate.
They also sell everything else you need to fix your jack.
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bigfootford

Fair Oaks, California

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Joined: 12/03/2002

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Kidoo wrote: Just got the answer from Hapijac, they answered within a day! They sell the upper assy as a kit for 42 dollars. It includes all what is needed to fix the thing, bearing and washer, wrap clutch spring, connecting barrel and square plate.
They also sell everything else you need to fix your jack.
I am impressed! Kudos to Hjac!
It does seem that the rear jacks are a lot more reliable but they do not have to do the work that our front jacks do.
Jim
2000 2500 9.6 Bigfoot,94 F250, Vision 19.5, Mich 245/70XDS2's, Bilstein shocks, air bags/pump, EU2000, PD 9260,Lifeline 100ah, 200W. solar, Morningstar Sunsaver 15A/ display panel, Trimetric, Delorme/laptop, Holux gps rec,led lights, Wave-3 heat.
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Kidoo

Chicoutimi, Québec, Canada

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Joined: 03/27/2004

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Yes, one of the front jack really started to bind. The bearing was all torn and the Clutch/brake spring was broken. There was also one the pin in the connector that was bent, probably near to brake apart. One thing that really made it worst, probably what caused the binding, the o ring below the shaft connector was all destroyed to small pieces and some of those pieces got chaught in between the shaft and the recirculating ball screw that is in the inner tube.
This part is made of many little balls, I hope it will eventually all clear from the screw shaft. The other side is really smooth, not binding at all.
The rear 4150 jacks uses the ACME block instead of ball screw and the shaft is made a bit different with smooth groove, the front jack screw is a much smoother shaft.
I also took a look at the other outer tube today and 2 were also bent a little, not much, but I gave it a few wack to make them as straight as possible.
I ordered an upper assembly from Happijack because I cannot find the Clutch / Wrap spring. I will also buy some TC1018 thrust bearings and thrust washer and replace them on all jacks. I think these bearings should be cleaned at least every two years and relube and the o ring check to make sure they do not get destroyed, in all 4 of my shaft, the o ring where broken.
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Kidoo

Chicoutimi, Québec, Canada

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Joined: 03/27/2004

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Just received the top assembly. One word of caution, the pin would not go in the top hole when trying to assemble the new unit. I took it appart, where the spring meet the two parts clutch, and there was TWO washers on one side of the bearing, very small washer but the pin would not go, took it off and no problem.
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bigfootford

Fair Oaks, California

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Kidoo wrote: Just received the top assembly. One word of caution, the pin would not go in the top hole when trying to assemble the new unit. I took it appart, where the spring meet the two parts clutch, and there was TWO washers on one side of the bearing, very small washer but the pin would not go, took it off and no problem.
Did you contact Hjac to let them know about the issue?
I would be interested why they had 2 washers.
Did you just remove 1 washer?
Jim
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Kidoo

Chicoutimi, Québec, Canada

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No did not contact Hjac, I removed one washer. They are thrust washers and normaly only one washer is needed on each side of the bearing.
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tdium

Barrie,Ontario, Canada

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Joined: 05/25/2004

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Some odds and sods:
I have used 4 coats of ZEP wax for my inner tubes. Made a horrible mistake coating them with light oil.
I believe there is a probability of capillary action working moisture up the inner tube from the ground. One of my 2002 vintage 4150's had rusted inside the outer tune and outside the inner tube quite badly. Could be the weather here in Ontario.
Just working on my first teardown of a 4150...all because of the generous sharing of knowledge here on this forum. Thanks all.
Tdium
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Kidoo

Chicoutimi, Québec, Canada

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Joined: 03/27/2004

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I did spray antirust oil inside of the Outside tube and inside of the inner tube. I made a bit of a mess but it should stop rust a bit.
I will take them apart next year and see how it is. Once you get use to do it, it takes maybe 1 hour to remove, apart, rebuit, install.
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