(7) Check the safety devices and make sure that all of the safety devices work properly.
Caution: Always check that the work range limit system is working correctly. For detail, see the following clause of “2. Pre-start checks for Work range limit system”. (8) Check the hydraulic components, hoses and pipes for oil leakage.
(9) Check the boom telescoping wire ropes for any damage. (a) No wobble or unsteady movements when telescoping the boom. (b) No damage on the wire rope ends.
(10) Elevate the platform, then make sure that the platform does not descend naturally.
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