Model DUMPTR-3 Dump Truck Bed
Revised 1/17/2015
5 of 5
Assembly (continued)
Step 4:
Fasten mattress support bars [B] to mattress support rail of side assemblies [A] using
screws [H]. Use (1) screw at each end of support bar. Make sure support bar end is tight with
side of bed. Start at rear of bed and work towards front. Leave 4.5” gaps between each sup-
port bar.
Step 5:
Tighten all hardware. Make sure all assembled parts are tight and secure.
