34 Pa. Code § 45.148 – Guarding devices for cutting heads.

(a) Subsection (b) applies to planing, molding, sticking and matching machines and profile, swing-head and back-knife lathes.
(b) If, in the judgement of the Department, existing installations are not affording protection, either from lack of use, faulty design or other cause, they shall be replaced with guards as required in § 45.129 (relating to guarding devices for cutting heads); repair or replacement of existing installations shall be in accordance with that section.