Mechanical installation 53 Frames R5 to R9 (IP21, UL Type 1)Note: For frames R6 to R9 with option +H358, see ACS880-01 +H358 UK gland plateframes R6 to R9 installation guide (3AXD50000034735 [English]).1. See the dimensions in chapter Dimension drawings. Mark the locations for thefour or six mounting holes.Note: The lowest holes/mounting screws or bolts are not necessarily needed. Ifyou use also them, you can replace the drive module without removing the cableentry box from the wall.2. Drill the mounting holes.3. Insert fixings anchors or plugs into the holes. Start the two upper bolts and the twolowest bolts into the anchors or plugs. Drive the bolts long enough into the wall tomake them carry the weight of the drive.4. Position the drive module onto the bolts on the wall.5. Tighten the upper mounting bolts in the wall securely.6. Remove the front cover.7. Attach the cable entry box to the drive frame. For instructions, see the assemblydrawing in the cable entry box. A view of frame R8 is shown below.8. Tighten the lower mounting bolts in the wall securely.