Oil Control Valve.pdf

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14-1
OIL CONTROL VALVE
Page
OIL CONTROL VALVE ASSY ..............................14-2
GENERAL .............................................................14-2
SPECIFICATIONS ..................................................14-7
0
1
2
COMPONENTS ....................................................14-8
3
TROUBLESHOOTING ............................................14-9
REMOVAL·INSTALLATION ...................................14-23
DISASSEMBLY·INSPECTION·REASSEMBLY .........14-25
4
5
OIL CONTROL VALVE ASSY
(MINI LEVER·JOYSTICK SPECIFICATION)....14-30
6
7
GENERAL ...........................................................14-30
SPECIFICATIONS ................................................14-35
COMPONENTS ....................................................14-36
TROUBLESHOOTING ..........................................14-37
REMOVAL·INSTALLATION ...................................14-39
DISASSEMBLY·INSPECTION·REASSEMBLY .........14-41
8
9
10
11
12
CONTROL VALVE LEVER ASSY ......................14-46
REMOVAL·INSTALLATION ...................................14-46
13
14
RELIEF PRESSURE ADJUSTMENT .................14-47
15
MANUAL DOWN VALVE....................................14-49
16
17
18
19
20
21
E
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14-2
OIL CONTROL VALVE ASSY
GENERAL
X1
X2
X3
C2
C4
S
S
X4
OUT
T2
P
R
T1
X1
C5
X4
C3
C1
X2
X3
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14-3
X1-X1
0
Flow divider
1
2
Relief valve
3
4
5
6
7
8
Unloading valve
(Unloading SOL)
9
10
X2-X2
11
12
Flow regulator valve
13
Lift lock valve
(Lift lock SOL)
14
Manual down valve
15
16
17
18
19
20
Lift spool
21
Lift limit switch (lifting side)
Lift limit switch (lowering side)
E
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14-4
X3-X3
Tilt control valve
(Tilt control SOL)
Backward tilt lock valve
(Backward tilt lock SOL)
Tilt spool
Backward tilt limit switch
Forward tilt limit switch
X4-X4
Attachment spool
782551681.013.png 782551681.014.png 782551681.015.png 782551681.016.png 782551681.017.png 782551681.018.png
 
14-5
Solenoid Connector Diagram
0
1
2
3
4
Unloading solenoid connector
5
6
Lift lock solenoid connector
7
Tilt control solenoid connector
8
9
Backward tilt lock solenoid connector
10
Lift limit switch connector
11
Tilt limit switch connector
12
13
14
15
16
17
18
19
20
21
E
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