Every 2000 operating hours
BOMAG 85BMP 8500
Fig. 127
l Unscrew the drain valve (Fig. 127) from the ra-
diator.
l Drain the coolant completely off and collect it.
l Screw the drain valve back in.
l Check the condition of radiator hoses, if nec-
essary replace all radiator hoses.
Fig. 128
l Open the drain valve (Fig. 128) on the engine.
l Drain the coolant completely off the engine
block and collect it.
l Close the drain tap again.
Fig. 129
l Fill in coolant until the level reaches the bottom
edge of the radiator filler socket (Fig. 129).
Fig. 130
l Fill in coolant up to the MAX mark (Fig. 130).
l Reattach the radiator cap and the cap of the
compensation tank.
l Start the diesel engine and run it warm to op-
erating temperature.
l Let the engine cool down and check the cool-
ant level again, if necessary top up in the com-
pensation tank.
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