Bomag BW 156 D-3, Service Manual

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Service Training
BW 156/177 D-3/PD-3
BW 178/179 D-3/PD-3
- DTr 15 -
Fig. F14:
Checking the flushing valves on axle drive and drum drive motor (only axial piston motor)
In case of a failure on one of the flushing valves a too high oil quantity may be flushed out and the charge
circuit may not be able to replace this quantity. The charge pressure will drop and important machine
functions will no longer be available.
• pull the valve spool out of the flushing valve
• check for moveability and damage
replace a defective flushing valve.