PDFWAC 296-869-40015
Repairs and adjustments.
(1) You must make sure repairs to elevating work platforms are:
(a) Made by a qualified person; and
(b) Done according to the manufacturer's recommendations.
(2) You must make sure the elevating work platform, before beginning adjustments or repairs, meets all of the following requirements that apply:
(a) All controls in the "off" position;
(b) All operating features secured from inadvertent motion by brakes, blocks, or other means;
(c) Powerplant stopped;
(d) Means of starting is rendered inoperative;
(e) Platform either:
(i) Lowered to the full down position, if possible; or
(ii) Blocked or cribbed to prevent dropping.
(f) Hydraulic pressure relieved from all hydraulic circuits before loosening or removing hydraulic components;
(g) Safety props or latches installed, where applicable;
(h) Other precautions as specified by the manufacturer; and
(i) Make sure replacement parts or components are identical or equivalent to the original parts or components.