Concrete Power Screed HinLIaDa 31CC Backpack Gas Powered Concrete Vibrator, 4-Stroke 1HP Gas Concrete Screed universal seat adapter 【Powerful Functions】It can remove air bubbles in the concrete and increase the density of the concrete while ensuring that the concrete is poured evenly over the reinforcing steel skeleton, thus increasing the strength of the entire construction. 31cc Gas Power Concrete Surface Finishing Leveling Screed w/10ft Tamper How to Install 1. Remove the engine and vibrator rod. 2. Connect the flexible shaft end of the vibrating rod to the engine power output connection disk. 3. Pull out the locking pin of the connecting disk, insert the flexible shaft against the internal bushing, and loosen the locking pin to fix the flexible shaft. 4. It is recommended that the throttle operating handle be fixed on the frame with a tie and naturally drooped to facilitate safe operation. 【Large Work Area】The 8.2ft long vibrating rod allows you to work in a large area and complete different projects. 【Wide Application】It is suitable for cement-pouring operations such as highways, fences, bridges, ports, hydropower stations, mines, etc. It can repair concrete columns, pour grape frames, reinforce cement, and complete repairs for large, medium, and small construction projects. DENEST 4-Stroke 7.5HP Gas Powered Concrete Vibrator Mixer Cement Air...