Hweiteh.Com — Then remove the special tool
A Hweiteh.Com service procedure — check it applies to your exact model before use.
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Procedure
- 8. Drill and tap the holes with a thread tap. Dimen-
- sion: M12 mm (1/2"UNC) or equivalent.
Source: manual:7746265 Installation Manual D4D6 IPS Aqua Inboard.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.