2-30
RELEASE HOLDING OPERATION
RELEASE HOLDING OPERATION
The pilot pressure is supplied to the pilot port for release holding valve and shifts the piston "B" in
the left direction against the spring "B", and shifts the poppet in the left direction through piston
"B" and piston "A" against spring "B" and shifts the spool in the left side.
At same time, the return fluid from actuator returns to the drain port through the periphery hole of
check, crevice of the check and the plug, the periphery hole of the plug, in side of holding valve,
crevice of the poppet and the poppet seat, the periphery hole of the poppet seat, crevice of
socket and spool and internal passage of spool.
When the poppet is opened, pressure of inside of holding valve is decreased and the return fluid
from actuator returns to the tank passage through the notch of spool.
(2)
(2)
PILOT PISTON CHAMBER
ACTUATOR PORT
DRAIN PORT
PILOT PORT
FOR RELEASE
HOLDING VALVE
PISTON "B"
SPRING "B"
PISTON "A"
CHECK VALVE
SPRING "A"
POPPET
CHECK
POPPET SEAT
PLUG
145LCR2MC16
Содержание HX145 LCR
Страница 11: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Страница 204: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV...
Страница 553: ...8 82 Insert O rings to the relief valve 30 and reassemble them to rear cover 20 This completes assembly 17 32038SM42...
Страница 627: ...8 155 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Страница 636: ...8 164 125LCR8TM61 After assembling spring 44 in order clamp plug 41 Tightening torque 5 kgf m 36 lbf ft 31...
Страница 657: ...8 185 8 185 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...
Страница 668: ...8 196 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...