Motorsport Plumbing Systems: Push-On Hose Ends
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Push-On Hose Ends
02.58
| 00:00 | Push on or push lock style hose ends are by far the easiest to use and the process is basic and self-explanatory. |
| 00:07 | Regardless, we'll cover it for completeness anyway and discuss a few helpful tips to make the job easier. |
| 00:14 | While the process is as simple as pushing the hose over the barbed hose end until it's completely seated, in cases that require extra security, we'll need to use an appropriate hose clamp. |
| 00:26 | Just remember that some hose clamps need to be installed over the end of the line before it's attached to the fitting as they can't be opened enough to fit over the hose after the fact. |
| 00:36 | Fitting hose ends onto certain hose designs can be difficult due to the interference of the fit and lack of flexibility of the hose. |
| 00:44 | Put simply, the fit is so tight that it's difficult to force the hose onto the hose end by hand, and this isn't a bad thing as we want the connection to be secure when installed. |
| 00:55 | Clamping the fitting in a vice using soft jaws which are available from a range of suppliers in either aluminium or nylon will prevent damage to the anodised finish while holding the fitting in the angled pockets. |
| 01:08 | Some form of lubrication like rubber grease or even silicon spray goes a long way in reducing the friction and allowing us to force the hose onto the fitting. |
| 01:18 | Heating the rubber hose with a heat gun carefully to avoid burning the rubber will temporarily soften the hose and allow it to stretch over the hose end easier. |
| 01:27 | Past this, there are tools available like the Koul Tools Easy On range that are designed specifically to help with this job. |
| 01:35 | These work by clamping the fitting in one side of the tool and the hose in the other and using the mechanical advantage of the threads to push the hose onto the hose end. |
| 01:45 | With the hose in place and completely seated, it's just a matter of tightening the hose clamp either by using the thread on a worm gear style hose clamp or with a crimp style hose clamp, we use specific pliers to crimp the raised section together and lock the clamp in place. |
| 02:01 | We just need to be careful the hose clamp is positioned correctly relative to the barbs. |
| 02:06 | We don't want it to be too high and slip off. |
| 02:09 | It should be possible to locate the barbs through the hose and we ideally want the hose clamp to be in the section between them. |
| 02:16 | It's also important that the hose clamp isn't over tightened as this won't only damage the hose, but it could crush and break the hose end. |
| 02:24 | Unfortunately there's no hard and fast rule when it comes to the torque values as each hose end supplier, hose type and clamp will be different so we just want to aim for a tight secure fit without over tightening. |
| 02:37 | That's really all there is to it so in summary, hose can be difficult to connect to push lock hose ends, but we can make it easier with some support, lubrication, heat and specific tools. |
| 02:48 | We just need to ensure the hose is fully seated and we don't over tighten the hose clamp to avoid damaging the hose or the fitting. |
