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How to Remove Hydraulic Pump for Yanmar ViO45 ViO55 Excavator

Posted on December 30, 2023 by VCDS
How to Remove Hydraulic Pump for Yanmar ViO45 ViO55 Excavator (5)

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It is necessary to remove pump when you perform service operation for Yanmar machine.Here is the illustration on how to remove hydraulic pump for Yanmar ViO45-5 and ViO55-5 excavator.

 

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2009.11 YANMAR Heavy Equipment EPC Software Free Download

 

Procedures:

(1) Swing the upperstructure so that the drain plug 2 of hydraulic oil reservoir 1 can position in the middle of the tracks. Then lower the bucket to the ground and stop the engine.

How to Remove Hydraulic Pump for Yanmar ViO45 ViO55 Excavator (1)

(2) Open the engine hood rear cover 3 and remove it.
(3) Disconnect the battery negative cable 5 from the battery 4.
(4) Loosen three cap screws 6 to remove the side cover 7.
(5) Remove the bottom cover 8 and put an oil container under the drain plug 2 of the hydraulic oil reservoir.
(6) Remove the drain plug 2 to drain hydraulic oil.
(Q

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