]> 2026-05-26T05:09:44+02:00 Repairing R axis datum pin 0 en Published How to quickly repair a loose datum pin Very easy 20 minute(s) The datum pin on the old ZX4 at Sidey was recommended to be changed at my last service visit. Unfortunately there are quite a few different datum spindle plates and we were having problems tracking down the correct one so it was decided that I would be sent out the new replaceable datum pin carrier as Sidey have a small machine shop I could use to modify the existing plate to make it fit. Unfortunately the mounting holes of the new carrier interfered with the mounting holes of the pneumatic cylinder so it couldn't be used. After taking dimensions of the existing plate for identification I realised there was actually a very small and quick repair that could be carried out until the correct parts were identified. All you need is a cordless drill, a 2.5 and a 3.1mm drill, M3 tap and an M3 x 15mm cap head screw. false en none Drill a 2.5mm hole in the datum pin shoulder. Refit to datum plate and use the drilled hole as a guide to drill the aluminium spindle plate. Remove datum pin and tap the hole in the plate using the M3 tap. Drill a 3.1mm clearance hole for M3 cap head screw. Fit datum pin to plate using a low strength threadlock and reinsert roll pin. Drill 2.5mm hole Drill clearance hole Fit datum pin to plate Datum pin R axis 2020-08-11T18:27:40Z 2459073.269213 Repairing R axis datum pin 0 false true 0 0 0 1 plainlist 3 [[:Dokit:DocOptions]] [[DokitEPIEnable::yes]] Repairing R axis datum pin# QUERYee7a61aae48f1c3f91d8e4d7736360be