anthony0372 Posted February 20, 2022 Share Posted February 20, 2022 Hi... ive been having issues with the Hornby S2290 brass gear, i have a small g-clamp but the issue is that it has a swivel head, and i have never used these clamps before, im a complete newbie when it comes to using these things, should i use a clamp or just resort to using a small vice? if so, how do i properly use one of these with a swivel head or a vice to fit the brass gear? Link to comment Share on other sites More sharing options...
RDS Posted February 20, 2022 Share Posted February 20, 2022 I have not replaced that gear myself but I would have thought that ideally a small special press type tool would be required.Someone like Forum member 'The son of Triangman' should be able to advise and hopefully he will see this thread later. Link to comment Share on other sites More sharing options...
Going Spare Posted February 20, 2022 Share Posted February 20, 2022 I would use a vice to gently press the gear on to the shaft for stability. The gear probably has a tapered bore so offer up the larger side to the shaft first. The shaft projects beyond the outer face of the gear so use the old gear as a spacer between the new gear and the vice jaw. Do not press the gear home tight to the bearing that sits behind it; allow around 0.5mm float so the armature assembly can spin freely. Lubricate the shaft bearing behind the gear with a small amount of model oil before running. Link to comment Share on other sites More sharing options...
ColinB Posted February 20, 2022 Share Posted February 20, 2022 I use a vice, generally in life I have found G clamps only seem to be useful for gluing pieces of wood together. Whenever you try to use them as a press they generally bend, meaning that the force is exerted at an angle. Link to comment Share on other sites More sharing options...
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