Maintenance
Operator's manual
Fuel system
Tightening instruction for fuel fine filter SW 30 unlocking hex Lubricant
-
Locking agent
-
Part contact surfaces
Engine oil
Screws
-
Stage
Tightening torque
1.
Screw on by hand until the seal is in contact
Stage
Angle of rotation
2.
Tighten by hand 3/4 of a revolution
Tab. 22: Tightening instruction Tighten new fuel fine filter 1 according to the tightening instruction. Open the fuel shut-off valve (device side). Ventilate the fuel system. (For more information see: 5.7.5 Ventilating the fuel system, page 106.)
5.7.5 Ventilating the fuel system Note The fuel system is to be vented on the device side and is to be performed differently depending on the device design, see documentation from the device manufacturer.
1
2
3 4
5
LMB/01/19.03.2021/enus
6
Fig. 90: Fuel diagram, external system (example) 1 2 3
Connection to engine Fuel air cooler (optional) Fuel prefilter
4 5 6
Water separator Manual ventilation pump Fuel tank
Turn device side shut-off valve on manual ventilation pump 5 to “manual ventilation” position. Build up pressure in the fuel system with the manual ventilation pump 5.
copyright © Liebherr Machines Bulle SA 2021
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