Step 4: Mount the arm on the tankThe acrylic tank has a steering gear mounting hole, and the mechanical arm base steering gear can be directly mounted on the tank chassis. Post Views: 716Share:TwitterFacebookLinkedInPinterestRelatedDoc navigation← step 3: assembling the robot armStep 5: Power-on test results → Was this article helpful to you? Yes 1 No Leave A Comment Cancel replyComment Notify me of new posts by email. Δ