Operation
Hydraulic system
271 / 476
The fan drive of the hydraulic oil cooler automatically reverses when the engine is
started. So that soiling is removed to a great extent independently.
The level should be kept in a range between 80% and 100%. Displayed values above
100% should be avoided. If the hydraulic fuel level is too low, then the R-Touch dis-
plays the warning icon: hydraulic fluid level too low. IMMEDIATELY shut off the
engine! If the driver ignores this warning the engine turns off automatically after a short
period. Refill hydraulic fluid and determine the cause for the lack of fluid. In case of a
burst hydraulic hose, in the most unfavourable case, the complete hydraulic fluid tank
becomes empty within 30 seconds.
Hydraulic pumps:
110
Pos. Function
101 traction drive
102 Pump operating hydraulics/front axle steering
103 Pump for water/charge air/oil cooler fan drive
104 4-set pinch rollers pump
105 Pickup roller pump
106 Conveyor rollers pump
107 Recleaner drive
108 Infeed conv. drive
109 Truck conv. drive
110 Emergency steering pump
111 Pump greasing + coupling PDG
The machine has 9 hydraulic circuits, which are supplied by nine axial piston pumps.
Pump number 111 is solely for the transmission clutch and transmission lubrication. It
is not connected to the hydraulic system.
Pumps 101/102/103/111 operate continuously as soon as the diesel engine is started.
Pumps 104/105/106/107/108/109 only operate if the diesel engine is running, the
machine drive is switched and the power train is engaged via the multiple plate clutch.
To Next Page
Loading...
