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Hydro Gear output gear change out step by step instructions

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I have a GT-14 that was in need of a replacement Hydro Gear and had a good unit from a Ranger that was a direct bolt up except for the output gear being the wrong size.

 

Since I could find nothing in the :wh:  Manual and no previous tutorial on this subject I dicided to dive into and take a few photos along the way.

 

Step one was to remove the 4 1/4-20 bolts that hold the retainer on the inside of the unit on both Hydros. (see first photo)post-8798-0-11813200-1368299879_thumb.jp

 

Step two was to remove the 8 3/8 and 2 5/16 bolts that hold the outer cover and split the outer casting from the rest of the unit. I used a gasket scraper to get it started and then a couple of wood wedges. DO NOT SRATCH THE SURFACES, THEY ARE MACHINED AND THERE IS NO GASKIT! Now you will use snapring pliers to remove the spring clip. (see second and third photos)post-8798-0-66387600-1368299898_thumb.jppost-8798-0-50389600-1368299925_thumb.jp

 

Step three was to remove the shaft that has the output gear on it. If you have a press that would be a good thing, but not having one i used a large punch and eight oz. hammer and carefully drove the shaft and the captive roller bearings. As you remove the shaft the inner gear of the hydralic motor will come off the shaft, be sure the key for the motor gear comes out with it. Once you have the shafts out of both units you can put the shaft from your old unit into the replacement unit. Press or drive the shaft and captive roller bearings into the new hydro Gear Motor. take a moment to rotate the gear for time to time to be sure nothing is binding. (see fourth photo)post-8798-0-33647500-1368299946_thumb.jp

 

The final step is to put on the spring clip and bolt everything togather. I found that a clamp on the shaft helped hold it in place while puting on the spring clip. While you are bloting the cover and retainer togather be sure to rotate the shaft from time to time to be sure nothing is binding.post-8798-0-44251700-1368299967_thumb.jp

 

All things considered this is not too complicated, and realy no special tools needed.

 

Hope this will be of help to Red Square members.

 

:USA: 

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Great tutorial! However, maybe you meant Raider instead of Ranger. Rangers didn't come with hydros.

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You caught me, had a senior moment, meant to say Raider.  :text-thankyouyellow: 

 

:USA: 

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Raiders are not hydro's either...maybe a charger or electro??

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Don't know, just going by what the seller told me.

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I should have caught that! Seems there is no monopoly on senior moments!

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