Installation Manual HLF-25, 30, 40, & 50 - Waltco

Chapter 4InstallationBolts heads should be contacting platform hinges, if theyare not, ensure the platform and mount tube are parallelprior to adjusting.Note:Platform springs are engaged and under tension.Take care when adjusting liftgate.PlatformAdjustment BoltGR02660Use two 3” channels (tubes, or similar), lay on vehiclefloor and clamp to bed extension and platform asshown.Install counter weight on channels as required.Platform is to be held parallel with vehicle floor, and is toshimmed 3/16” away from bed extension, centered withvehicle body.Channel3/16” ShimsCounterWeightOther means may be used to supportLiftgate in position. ALWAYS verify thesafety of your supporting method beforeproceeding.IMPORTANT:Verify mount tube is at correct A-Dimension beforeproceeding to next step:• Correct A-Dimension for bed height• If using 26-1/2” A-Dimension and nomounting bar, square up mount tube withground by temporarily powering the gate toobtain the correct A-Dimension.PlatformBedExtensionGR02788CONFIRM PROPER MOUNT PLATEHigher capacity liftgates (4000# & 5000#)must use 5/8”Mount PlateFor 2500# & 3000#(2 notches)For 4000# & 5000#(1 notch)3/8" 5/8"Confirm the capacity and mount plate profiles match thepicture to the right.Contact Waltco immediately if you have a high capacityliftgate with the wrong mount plate.GR02899Page 15