Case CB20 CB40 CB60 CB80 CB140 CB210 CB380 Hydraulic Breaker Service Manual - PDF DOWNLOAD

Page 13

III. Presentation

B) CB140, CB210, CB380 Start up When operator put breaker on the breaking target material and activates carrier breaker switch, high pressure oil comes to piston lower part (C), inside valve & outside valve upper part and entrance of accumulator (J). At this stage, valve is pushed down by high pressure oil outside valve upper part (E) and low pressure oil at piston upper part (D) is connected to return line.

High pressure Low pressure

12

Piston raising High pressure oil at the piston lower part (C) raises piston up inside back head gas chamber (B). At this stage, nitrogen gas inside the chamber (B) is compressed and low pressure oil at the piston upper part (D) returns to the carrier oil tank.


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Case CB20 CB40 CB60 CB80 CB140 CB210 CB380 Hydraulic Breaker Service Manual - PDF DOWNLOAD by www.heydownloads.com - Issuu