Liebherr Hydraulic excavator P 9250 E Operating manual 25312

Page 128

Control and operation

Operating manual

The access and the outfit of the cab

Move the lever 1. The quantity of water running through the heat exchanger can be regulated. If the regulator is pushed all the way to the rear, the maximum quantity of coolant flows to the heater. Set the desired air flow via button S12 and start the heater unit by pushing S205. Move the lever 2 The quantity of fresh air recirculated and entering the cab is regulated. Note! The best heating effect can be reached when the air is recirculated, which means, the lever 2 should be pushed all the way to the front. In this position, a small quantity of outside air is mixed with the recirculating air in the cab. Quickly defrost the windshield Direct the warm air flow via the vents to the front, Push the sliding regulator 3 all the way to the rear. So the maximum air flow is blown via the vents in the step onto the windshield. When the lever 3 is pushed all the way to the front, part of the warm air flow is blown against the left side window.

Overview of the air conditioner The cab has an air-conditioning system as standard. The air-conditioning system is used to cool and ventilate the cab.

Fig. 3-47

Air-conditioning system control device

Control buttons

3 - 50

LEC/en/Edition: 03 / 2021

S1 S2

copyright © Liebherr-Mining Equipment Colmar SAS 2021

MJFCIFSS

P 9250 E / 10360975


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