| 摘要 |
The present invention provides a brake fluid pressure control valve having a plunger 23 slidably fitted in a cylinder hole 22 in a cylinder housing 21 and a retainer 24 which holds the posture of the plunger 23 and seals one end of the cylinder hole 22 by using an O-ring 31 serving as a sealing member, the control valve being characterized in that the plunger 23 is formed with a step 27a, the cylinder housing 21 is provided with an engagement hole 29, which engages with the step 27a and is formed in the direction crossing with respect to the plunger 23, and a pin 30 is inserted in the engagement hole 29 so that the plunger 23 is prevented from coming off by the pin 30. Further, the engagement hole 29 is also used as an air bleeding path adjacent to an installation hole for an air bleeder 40.
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