According to the fifth embodiment, however, the replaced amount of the brake fluid in the cylinders 1 and 1 depends on {TAIL ~ the amount} of {HEAD ~ the brake fluid} which flows into the inlet 33a of the pump 33 and flows out from the outlet 33b thereof, i.e., the operating time of the pump 33, so that the brake fluid in the cylinders 1 and 1 is effectively prevented from being overheated by adjusting the operating time of the pump 33 
According to the fifth embodiment , however , the replaced amount of the brake fluid in the cylinders 1 and 1 depends on { TAIL ~ the amount } of { HEAD ~ the brake fluid } which flows into the inlet 33a of the pump 33 and flows out from the outlet 33b thereof , i.e. , the operating time of the pump 33 , so that the brake fluid in the cylinders 1 and 1 is effectively prevented from being overheated by adjusting the operating time of the pump 33
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH