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| Go Devil pressure lubricator https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=6&t=60372 |
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| Author: | stricklines [ Tue Feb 24, 2015 9:28 am ] |
| Post subject: | Go Devil pressure lubricator |
Sorry for the noobie questions but this is my first mud motor and I am trying to learn. Can anyone explain how this is suppose to work.? I cleaned all of the old nasty grease out of the cup and put some grease in the fitting for the shaft expecting it to come back up into the cup but instead the old grease started coming out of the seal by the prop after running it for a few minutes. IS this normal? Do I need to replace the seals? This is a new to me GD Vanguard 20 Thanks in advance. |
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| Author: | flint87 [ Tue Feb 24, 2015 9:38 am ] |
| Post subject: | Re: Go Devil pressure greaser |
Definitely need to replace lower seals, might as well do lower bushing and upper seals while you have it apart. Its like 32$ for everything you need from GD. It's not too bad of a job but not something you wana take apart all the time. Download the service manual from godevils website. It gives you a step by step on replacing those parts and greasing it. Can't remember what order off the top of my head for the greasing process but you take off the caps for seals one at a time so you don't blow them out . Sent from my iPhone using Tapatalk |
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| Author: | WhoDat88 [ Wed Feb 25, 2015 10:05 pm ] |
| Post subject: | Re: Go Devil pressure greaser |
| Author: | Gigafowl [ Wed Feb 25, 2015 11:09 pm ] |
| Post subject: | Re: Go Devil pressure greaser |
You need your GD SN when you call to order parts - required to order You can get advice and even rent their specialty tools if you want to do it yourself... Order the correct grease too while your at it as their grease is a bit different from wheel bearing grease... |
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| Author: | kibb [ Thu Feb 26, 2015 5:47 am ] |
| Post subject: | Re: Go Devil pressure greaser |
You loosen a bushing to relieve pressure when greasing the old style. The new style you grease until the piston in the lubricator goes 3/4 of the way up to allow for expansion. Your lower seal is worn. Check the shaft for play. The bushing and maybe shaft may need changing causing the seals to wear. |
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| Author: | stricklines [ Thu Feb 26, 2015 9:00 am ] |
| Post subject: | Re: Go Devil pressure greaser |
I have called Go Devil and need to get back with them on whether or not the shaft has play in it. Thanks for all of the help. After reading through old post it sounds like taking the prop off could be the hardest part of this whole job. I hope that its not as hard as some of the horror stories I have read. Thanks again guys. |
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| Author: | WhoDat88 [ Thu Feb 26, 2015 9:12 am ] |
| Post subject: | Re: Go Devil pressure greaser |
| Author: | huck Finn [ Thu Feb 26, 2015 9:15 am ] |
| Post subject: | Re: Go Devil pressure greaser |
Start soaking it with a good penetrating agent now , it will help with the removal , liberally apply never seize on threads before putting prop back on , it will help with future removals . Leave a little slack in the threads when tightening prop up. . It is better to have just a little play as a shock absorber . I loosen my prop several times a year and put new never seize on . I've had to cut props off that were stuck and learned the hard way . H Finn |
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| Author: | Kcpanages [ Thu Feb 26, 2015 9:22 am ] |
| Post subject: | Re: Go Devil pressure greaser |
Just to add a side note, when I remove prop, u go back with new washers and nyloc nut Sent from my iPhone using Tapatalk |
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| Author: | Kcpanages [ Thu Feb 26, 2015 9:23 am ] |
| Post subject: | Re: Go Devil pressure greaser |
| Author: | flint87 [ Thu Feb 26, 2015 9:24 am ] |
| Post subject: | Re: Go Devil pressure greaser |
Best thing for taking that prop off is to cut that damn upper jam nut off and the prop will usually come right off. Just order the nut when you buy your bushing and seals. Sent from my iPhone using Tapatalk |
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| Author: | flint87 [ Thu Feb 26, 2015 9:28 am ] |
| Post subject: | Re: Go Devil pressure greaser |
In gona go ahead and post this for when you come back asking how to pull the shaft.  I've blown coco up working on my current motor. ImageUploadedByTapatalk1424964397.422114.jpgImageUploadedByTapatalk1424964412.605311.jpg Every turn take a block of wood or a brass punch and a 3-5 lb hammer and smack the corner of the u joint. This is only if you have the pressed fitting. If you have the split yoke then disregard this entire post. Sent from my iPhone using Tapatalk |
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