I have to agree with etharp (minus the scolding). An order picker was not designed for this task (nor is pushpack rack designed to be used with an order picker). Outside of safety and compliance issues (which are significant), an order picker is not designed to be pushing loads and more significantly does not have the ability to tilt the forks to match the incline of the pushpack rack.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.