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SWING LEFT OPERATION WITH ARM OR BOOM OPERATION
When combined operation, mostly same as previous page but the fluid from P2 bypass passage
is empty.
So only the fluid from parallel passage is supplied to the swing motor. Also, parallel passage is
installed the orifice of swing logic valve for supplying the fluid from pump A1 to the boom or the
arm operation prior to the swing operation. In case of the swing right operation with arm or boom
operation, operation is similar.
(2)
C2
D2
From RCV
P2 Parallel passage
P2 Bypass passage
Tank passage
Swing spool
Pd2
Swing logic valve
Orifice
P03
Boom up pilot pressure
Boom 1 spool
14W92MC20
P2 Parallel passage
P2 Bypass passage
Summary of Contents for HX140L
Page 12: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Page 209: ...4 5 MEMORANDUM...
Page 694: ...8 68 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Page 734: ...8 108 Assemble plug 2 Plug NPT1 16 11 EA 17 21078TM68 21078TM69 21078TM70 21078TM71...
Page 756: ...8 130 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...