Daewoo Mega 500-V - Section 13

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Main Control Valve (Toshiba)
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TABLE OF CONTENTS
General Description .......................................................................................3
Specifications.................................................................................................5
Operation........................................................................................................6
Neutral.....................................................................................................6
Bucket/option Spool Operation ...............................................................6
Boom Spool Operation............................................................................7
Boom Float.......................................................................................7
Relief Valve .............................................................................................7
Main Relief Valve .............................................................................7
Port Relief Valve...............................................................................7
Operation (Main Relief Valve) .................................................................8
Operation in Inoperative State .........................................................8
Operation (A) ................................................................................... 8
Operation (B) ................................................................................... 8
Operation (Port Relief Valve)...................................................................9
In the Inoperative State....................................................................9
Operation (A) ................................................................................... 9
Operation (B) ................................................................................... 9
Operation (C).................................................................................10
Sucking Operation .........................................................................10