This manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. Make sure you understand the contents of this manual and use it to fully at every opportunity. This service manual PDF download for the JLG Gradall 534B Materials Handler has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. It will help the operator or anyone realize peak performance through effective, economical and safe machine operation and maintenance. This manual PDF download describes procedures for operation, handling, lubrication, maintenance, checking, and adjustment for the JLG Gradall 534B Materials Handler.