8-29
1. REMOVAL AND INSTALL OF MOTOR
REMOVAL
Lower the work equipment to the ground
and stop the engine.
Operate the control levers and pedals
several times to release the remaining
pressure in the hydraulic piping.
Loosen the breather slowly to release the
pressure inside the hydraulic tank.
Escaping fluid under pressure can
penetrate the skin causing serious injury.
When pipes and hoses are disconnected,
the oil inside the piping will flow out, so
catch it in oil pan.
Remove the wirings for the pressure
sensor and so on.
Remove bolts and disconnect pipe.
Disconnect pilot line hoses.
Disconnect pilot piping.
Sling the control valve assembly and
remove the control valve mounting bolt
and bracket.
余
Weight : 80kg(175lb)
Remove the control valve assembly.
When removing the control valve
assembly, check that all the piping have
been disconnected.
INSTALL
Carry out installation in the reverse order
to removal.
Bleed the air from below items.
Cylinder (Boom, arm, bucket)
Swing motor
Travel motor
See each item removal and install.
Confirm the hydraulic oil level and
recheck the hydraulic oil leak or not.
GROUP 4 MAIN CONTROL VALVE
Bracket
1)
(1)
(2)
(3)
侍
(4)
(5)
(6)
(7)
(8)
(9)
2)
(1)
(2)
刮
刯
到
侍
(3)
13031GE18
14W98MC01
14W98MC02
14W98MC03
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...