SELF-CHECK: The hydraulic arms must ALWAYS be FULLY lowered when the machine is shut down

It is critical that the hydraulic arms are FULLY lowered when unloading a load from the crossbar. This is because, despite the clearance between the hydraulic arm and the gate (see top image), the trailer and/or flatbed may wobble when parked. This usually happens on rough surfaces, but can occur in other situations as well. […]