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BUCKET OUT OPERATION
During the bucket out operation, the pilot secondary pressure from RCV is supplied to port Pb5
of the spring opposite side and shifts the bucket spool in the right direction.
The bypass passage is shut off by the movement of the bucket spool and the hydraulic fluid from
pump A2 entered P1 parallel passage and is directed to the port B5 through the check 1.
At the same time, the hydraulic fluid from P1 bypass passage is directed to the port B5 through
the check 2.
The return flow from the head side of the bucket cylinder returns to the hydraulic oil tank through
the port A5 and the tank passage.
(2)
Bucket limiter
B5
A5
P1 Bypass passage
P1 Parallel passage
Check 2
Bucket spool
Tank passage
Check 1
From RCV
Pb5
130ZF2MC35
Summary of Contents for HX130 LCR
Page 11: ...1 1 SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...
Page 174: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV ...
Page 536: ...8 108 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29 ...
Page 566: ...8 138 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10 ...