Crawlers, Dozers, Loaders & Backhoes Discussion Board |
Re: case 1450 dozer advice
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Posted by Max on February 17, 2003 at 21:52:49 from (65.178.80.208):
In Reply to: case 1450 dozer advice posted by mike on February 16, 2003 at 18:01:40:
Final Drives, suspension, and transmission. The final drives are a little weak if a stump ripper has been used so check the blade for mounts or welding marks that might indicate this option. The trans can be checked by applying the parking brake with the range in high and the speed in high direction in fwd. The unit shouldn't move, wthen start shift down to low track speed and then on to low range. When you do this, the crawler should just start to move until low range and then the brakes won't hold. Don't do this test with the turning brakes for those disconnect the power to that particular side of the trans. You also may have to push on the master brake pedal incase the parking lever is out of adjustment. On the suspension, look to see how low the front is. One quick check is to observe the suspension while someone else puts down pressure on the blade to raise the front of the machine, then you should be able to see some slop in it. If the suspension is working properly it helps smooth the ride out somewhat but really works by making the tracks follow the terrain better thus getting maximum traction. Another small thing I just remembered was if you can't lift the front of the machine or the front of the machine drops back down quickly after raising, then the bypass bolts are broken in the lift cylinders. This was caused by raising the cylinders to high causing the special bolt to bottom out in the cylinder. This is all that I can think of for now.
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