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8-32
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.
·
Weight : 80 kg (175 lb)
·
Mounting bolt
Tightening torque : 12.2±1.3 kgf.m
(88.2±9.4 lbf.ft)
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
Pc3
Pb20
Pd40
Pa5
Pa20
Pd2
Pc41
Pb5
Pc2
Pc42
Pb3
Pd6
Pd5
Pc6
Pc5
C4
D4
A5
B5
A2
B2
C1
C2
D1
D2
A1
B1
Pb20
Pd40
Pc41
Pc1
Pb1
Pd1
Pa1
Po4
Pa21
Pc42
Pc40
Pb21
Pa20
Pd41
Pa4
Dr3
PO2
DR2
DR1
Pu
DR0
Pb4
DR5
PO
PO3
DR4
Pn1
Pn2
1)
(1)
(2)
(3)
※
(4)
(5)
(6)
(7)
(8)
(9)
2)
(1)
(2)
①
②
③
※
(3)
13031GE18
130ZF8MC01
130ZF8MC02
130ZF8MC03
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 ...