2-31
BUCKET OUT OPERATION (TYPE 1)
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 of
bucket logic valve.
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)
#
B5
A5
P1 Bypass passage
P1 Parallel passage
Check 2
Bucket spool
Bucket logic valve
Tank passage
Check 1
From RCV
Pb5
140L2MC35
Содержание HX140L
Страница 12: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Страница 209: ...4 5 MEMORANDUM...
Страница 275: ...4 49 No of pin Receptacle connector female Plug connector male 14 1 7 6 14 MG610406 KET SDL CONNECTOR 13...
Страница 675: ...8 58 29 Insert O rings to the relief valve 30 and reassemble them to rear cover 20 This completes assembly 17 32038SM42...
Страница 694: ...8 68 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Страница 703: ...8 77 125LCR8TM61 After assembling spring 44 in order clamp plug 41 Tightening torque 5 kgf m 36 lbf ft 31...
Страница 734: ...8 108 Assemble plug 2 Plug NPT1 16 11 EA 17 21078TM68 21078TM69 21078TM70 21078TM71...
Страница 756: ...8 130 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...
Страница 767: ...8 141 14 15 3 Install cover 3 to body 1 and tighten bolts 14 Torque 10 12 5 kgf m 72 3 90 4 lbf ft 7 21078DA10...