general recommendations - safety - AJ Maskin AS

Repair manual 36.3.4 - Speed selectionForward gear slow speed(travel motor in parallel)Forward gear high speed(travel motor in series)Reverse gear slow speed(travel motor in parallel)Reverse gear high speed(travel motor in series)6.3.4.1 -Fonctioning of balancing valvesThe solenoid valve in use is that placed on the return position ; its main roleconsists in keeping an equilibrium in the travel circuit pressures and ensuring aconstant speed preventing the machine from rolling when on ramps. In thefollowing diagram we shall consider that the machine is in forward gear.YV1 - Travel / movement selection solenoid valveOil circulationis stopped on the valveOil circulates throughthe one-way valveAccumulation of pressureon both control pipes allowsopening the balancing valve.Towards T returnTowards P supply41