Hyundai HX130LCR Manual page 160

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3. COMBINED SWING AND ARM OPERATION

When the swing and arm functions are operated simultaneously, the swing spool and arm spools in

the main control valve are moved to the functional position by the pilot oil pressure from the remote

control valve.

The oil from the A1 pump flows into the swing motor through swing spool and the arm cylinder

through arm 1 spool.

The oil from the A2 pump flows into the arm cylinder through the arm 2 spool of the right control

The super structure swings and the arm is operated.

Refer to page 3-13 for the swing operation preference function.

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