Page 1 of 2 12 LastLast
Results 1 to 10 of 11
  1. #1
    Member
    Join Date
    Feb 2002
    Posts
    39
    Location
    Montana, Northwest
    Tractor
    JD 790

    Default My Lorenz got broke!!

    Yesterday, after a bunch of driveway snowblowing to widen the snow banks along the drive, I needed to fill up the diesel tank, so I shifted out the pto, shifted into high range, and drove up to the house. After filling up, since I wasn't through blowing, I shifted into low range, reverse, shifted in the pto, dropped it to begin blowing the house parking area, and slowly let out the clutch. Horrendous noises from the blower area!! Thinking it was just the pto drive cover rasping on the safety cover (happened before), I got off and pushed the plastic cover back to where it belonged. Then got back on and once again went to start the blower......MORE horrendous noise.....followed shortly with a 'SNAP' sound, and then silence....! NOw, pto rotates smoothly, there is no noise, but nothing on the blower does anything.....the shaft out of the gearbox doesn't turn, the blower impeller doesn't turn, the augers don't turn. Apparently something in the gearbox is kaput....hopefully a key, hopefully not the main shaft. So Dear Lorenz is sidelined until the weather is nice enough and into a reasonable temperature range to do a bunch of mechanical investigation. Till then it's loader time, and maybe my neighbor's pickup plow.......
    JD-790, 1999, w/ 70 Loader
    Bearcat Chipper
    KK Back Blade
    Lorenz 530 Snowblower
    KK 60" Box Blade
    KK Carry-all w/ 26 Gal sprayer

  2. #2
    Platinum Member JohninCT's Avatar
    Join Date
    Jul 2001
    Posts
    983
    Location
    Central CT
    Tractor
    Struck Magnatrac 6000, Kioti DK40SE

    Default Re: My Lorenz got broke!!

    The augers and impeller don't turn meaning you can't turn them by hand (jammed up)?
    "I don't do landscaping... I do battle with vegetation"

  3. #3
    Veteran Member ccsial's Avatar
    Join Date
    Jun 2005
    Posts
    1,566
    Location
    NorthWest Illinois
    Tractor
    (Kuboto L3400) (Ford 1910 4WD w/FEL) (Deere X748SE) All bought new

    Default Re: My Lorenz got broke!!

    If you're lucky maybe some debris in the blower and the snap was a shear pin.
    Kubota L3400-HST, Ford 1910-Gear FEL, John Deere X748SE

  4. #4
    Member
    Join Date
    Feb 2002
    Posts
    39
    Location
    Montana, Northwest
    Tractor
    JD 790

    Default Re: My Lorenz got broke!!

    Quote Originally Posted by JohninCT View Post
    The augers and impeller don't turn meaning you can't turn them by hand (jammed up)?
    Yeah, as far as I can tell. I didn't have much time to investigate yesterday....had to park it due to another commitment.
    JD-790, 1999, w/ 70 Loader
    Bearcat Chipper
    KK Back Blade
    Lorenz 530 Snowblower
    KK 60" Box Blade
    KK Carry-all w/ 26 Gal sprayer

  5. #5
    Platinum Member MFRED's Avatar
    Join Date
    Mar 2006
    Posts
    935
    Location
    Connecticut
    Tractor
    MF 5435, MF 165

    Default Re: My Lorenz got broke!!

    Did some melted snow just get between the fan & housing then re-freeze while you were fueling?

    I've had that happen, nothing will turn & the drive pin will break.

  6. #6
    Veteran Member Jay4200's Avatar
    Join Date
    Nov 2005
    Posts
    1,858
    Location
    Hudson/Weare, NH
    Tractor
    L4200GST w/ LA680 & BX2200D w/ LA211

    Default Re: My Lorenz got broke!!

    Quote Originally Posted by MFRED View Post
    Did some melted snow just get between the fan & housing then re-freeze while you were fueling?

    I've had that happen, nothing will turn & the drive pin will break.
    That's what I was thinking, sort of. Not ice, just too much snow. I wouldn't worry too much - I don't think you can break a Lorenz - those things can eat a car (I want one).

    I've broken 3 shear pins this year - all three because I shut down the blower before it completely cleared out. I dug into a bank (same spot in the same bank, actually), then pulled forward and shut down. The blower was still full of heavy snow, and as soon as the RPMs fell, the thing packed up solid. When I started up and dropped the PTO lever, "Brrrrrrawww-SNAP!!" Dang.

    Check the PTO shaft next to the blower, under the safety cover. That's where my shear pin is.

    JayC

  7. #7
    Member
    Join Date
    Feb 2002
    Posts
    39
    Location
    Montana, Northwest
    Tractor
    JD 790

    Default Re: My Lorenz got broke!!

    Thanks for the responses. I'm hoping the correction is as simple as you think. I had been blowing/crunching up banks along the side of the drive in order to widen the drive....those snow berms were from plowing, had been there for awhile thru warm and cold days, and were pretty icy....the Lorenz generally does a great job of chewing up ice. But perhaps a good chunk got caught behind the blower impeller somehow. Regarding the shear pins: each auger shaft has 2 pins at the right end where they attach to the chain gears.....they are all good. The PTO has 2 shear pins where it attaches to the gearbox shaft....I checked those quickly, just visually, and they looked ok when I shut it down....but perhaps they are crunched. I hope that's the case!!
    JD-790, 1999, w/ 70 Loader
    Bearcat Chipper
    KK Back Blade
    Lorenz 530 Snowblower
    KK 60" Box Blade
    KK Carry-all w/ 26 Gal sprayer

  8. #8
    New Member
    Join Date
    Oct 2010
    Posts
    16
    Location
    Platte, SoDak
    Tractor
    JD 3320

    Default Re: My Lorenz got broke!!

    If the shear pins look ok, call Lorenz.

    Lorenz Manufacturing Company
    185 30th Avenue SE
    Benson MN 56215
    888-843-3210

    I've talked to a few guys that have rebuilt their Lorenz gear boxes and it is much cheaper than I would have thought. These are usually older, high hour units that have been neglected. Most Lorenz blowers last a very long time.

    Rest assured that even if your gearbox is toast, it should be a not too pricey or difficult to fix.

  9. #9
    Elite Member rbargeron's Avatar
    Join Date
    May 2000
    Posts
    2,528
    Location
    MA
    Tractor
    L5450, L48, L3250, L345

    Default Re: My Lorenz got broke!!

    At the back end of the pto shaft, can you tell if the input shaft to the blower gearbox is actually turning or if the yoke is just spinning on it?
    L5450, L48, L3250, L345, never enough attachments

  10. #10
    Veteran Member Jay4200's Avatar
    Join Date
    Nov 2005
    Posts
    1,858
    Location
    Hudson/Weare, NH
    Tractor
    L4200GST w/ LA680 & BX2200D w/ LA211

    Default Re: My Lorenz got broke!!

    Hey lcrans -

    Any resolution to this yet? The suspense is killing me.

    JayC

Page 1 of 2 12 LastLast

Similar Threads

  1. UPDATE on new tractor which broke
    By RCL in forum Buying/Pricing/Comparisons
    Replies: 23
    Last Post: 12-12-2008, 02:53 PM
  2. 35 hours and my fender broke BX24
    By NJDiverDan in forum Kubota Owning/Operating
    Replies: 16
    Last Post: 04-12-2007, 07:12 AM
  3. I froze my yard hydrant and then broke it.
    By OakHillFarmer in forum Rural Living
    Replies: 6
    Last Post: 03-28-2007, 09:10 PM
  4. Replies: 3
    Last Post: 03-26-2007, 03:06 PM
  5. belt broke again
    By lschultz in forum Cub Cadet Tractors
    Replies: 3
    Last Post: 05-13-2004, 09:38 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
© 2014 TractorByNet.com. TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners.