Tadano GR-500EXL-3, Service Manual

Page: 72 / 161

Z-1 Z-1 Hydraulic Circuit Z-1
1
WZ01-3490E
1
Z-1 Hydraulic Circuit
1. Comparison table of hydraulic parts (part No., part name, coordinate and location)
Part No. Part name
Hydraulic
circuit
coordinate
Location
01 Variable piston pump I-4
Z-7 1. 02 Gear pump J-4
03 Pump (for emergency steering) J-3
04 Oil filter K-7
Z-7 5. 05 Oil tank K-4
06 Oil filter K-6
07 Flow control valve F-3
08 Solenoid control valve (for O/R extending/retracting)
H-2 Z-7 4. - Solenoid (for O/R retracting) (SL20)
- Solenoid (for O/R extending) (SL21)
09 Check valve H-1
Z-7 3.
10-1 Solenoid valve (for O/R, J/S selection) (FR)
I-2
- Solenoid (for slide) (SL22)
- Solenoid (for jack) (SL23)
10-2 Solenoid valve (for O/R, J/S selection) (FL)
- Solenoid (for slide) (SL24)
- Solenoid (for jack) (SL25)
10-3 Solenoid valve (for O/R, J/S selection) (RR)
J-2
- Solenoid (for slide) (SL26)
- Solenoid (for jack) (SL27)
10-4 Solenoid valve (for O/R, J/S selection) (RL)
- Solenoid (for slide) (SL28)
- Solenoid (for jack) (SL29)
11-1 Slide cylinder (FL) I-1
Z-7 6.
11-2 Slide cylinder (FR) I-3
11-3 Slide cylinder (RL) J-1
11-4 Slide cylinder (RR) J-3
12-1 Jack cylinder (FL) I-1
12-2 Jack cylinder (FR) I-3
12-3 Jack cylinder (RL) K-1
12-4 Jack cylinder (RR) K-3
13-1 Pilot check valve (FL) I-1
13-2 Pilot check valve (FR) I-3
13-3 Pilot check valve (RL) K-1
13-4 Pilot check valve (RR) K-3
14 -
15 -
16 -
17 -
18 -
19 -
20 Hydraulic valve (for emergency steering selection) I-4 Z-7 1.
21 Pilot check valve (rear steering hydraulic lock)
D-4
Z-7 2.
22 Solenoid valve (for steering mode selection)
- Solenoid (for crab steering) (SL30)
- Solenoid (for 4-wheel steering) (SL31)
23-1 Steering cylinder (FR) A-3
23-2 Steering cylinder (RL) C-1
24-1 Steering cylinder (FL) A-1
24-2 Steering cylinder (RR) C-3
Part No. Part name
Hydraulic
circuit
coordinate
Location
25
Hydraulic oil temperature switch (50°C/122°F)
(CN555, CN1017)
G-6 Z-7 5.
26
Hydraulic oil temperature switch (85°C/185°F)
(CN556, CN1018)
27 Priority valve A-11
Z-6 10.
28 Orbitrol A-12
29 -
30-1 Filter (for priority valve) B-11 Z-6 10.
30-2 Filter (for solenoid valve (pilot pressure)) C-12 Z-6 5.
30-3 Filter (for slewing proportional valve circuit (right slewing)) B-14
Z-6 12.
30-4 Filter (for slewing proportional valve circuit (left slewing)) D-15
30-5
Filter (for remote control valve (right side)
(main winch, elevation))
I-7
30-6
Filter (for remote control valve (left side)
(aux. winch/telescoping, slewing))
J-7
30-7 Filter (for hydraulic valve (telescoping cylinder No.1))
G-14 Z-6 5.
30-8 Filter (for hydraulic valve (telescoping cylinder No.2))
30-9 Filter (for remote control valve (pedal)) J-8 Z-6 12.
31 Sequence valve (pilot pressure) C-10 Z-6 5.
32 Check valve (for air conditioner) D-9
Z-6 11. 33 Solenoid valve (for air conditioner) (SL280)
D-8
34 Hydraulic motor (for air conditioner)
35 Center joint B-6 Z-7 4.
36 Check valve (for orbitrol) B-11 Z-6 10.
37 Remote control valve (pedal) J-9 Z-6 12.
38 Hydraulic pilot control valve (for slewing)
B-15
Z-6 4.
- Slewing right proportional control valve (SL120)
- Slewing left proportional control valve (SL121)
- Solenoid valve (for slewing free/lock selection) (SL161)
- Slewing relief proportional control valve (SL162)
39 Hydraulic motor (for slewing) B-16
40 Slewing speed reducer C-16
41 Solenoid valve (pilot pressure)
D-11 Z-6 5. - Solenoid (for remote control pressure vent) (SL102)
- Solenoid (for slewing brake release) (SL160)
42 Check valve (for main pressure)
E-6 Z-6 7.
43 Pressure sensor (for main pressure) (CN581)
44 Solenoid valve (for AML vent) (SL100) G-7 Z-6 6.
45-1 Remote control valve (right side) H-8
Z-6 12.
45-2 Remote control valve (left side) K-8
46 -
47 Check valve B-6 Z-6 6.
48-1 Pressure switch (boom lowering) (CN537) H-8
Z-6 13.
48-2 Pressure switch (boom raising) (CN536)
I-8 48-3 Pressure switch (main winch hoisting down) (CN546)
48-4 Pressure switch (main winch hoisting up) (CN532)
48-5 Pressure switch (left slewing) (CN541)
K-8
48-6 Pressure switch (right slewing) (CN540)
48-7 Pressure switch (aux. winch hoisting down) (CN547) J-10
48-8 Pressure switch (aux. winch hoisting up) (CN533)
K-10 48-9 Pressure switch (boom extending) (CN534)
48-10 Pressure switch (boom retracting) (CN535)
Part No. Part name
Hydraulic
circuit
coordinate
Location
49
Elevation cylinder
D-14
Z-6 3.
50 E-15
51-1
Check valve (for elevation cylinder)
E-14
51-2 E-15
52 Solenoid valve (boom telescoping/aux. winch)
K-9 Z-6 9. - Solenoid (for boom extending/hoisting down) (SL143)
- Solenoid (for boom retracting/hoisting up) (SL144)
53 Hydraulic pilot control valve H-9 Z-6 5.
54 Counterbalance valve (for elevation) E-13 Z-6 3.
55 -
56-1 Counterbalance valve (for telescoping cylinder (No.1)) G-14
Z-6 2.
56-2 Counterbalance valve (for telescoping cylinder (No.2)) F-15
57 Telescoping cylinder (No.1) (for 2nd boom)
G-16
58 Telescoping cylinder (No.2) (for 3rd/top boom)
59 Hose real F-15
60-1 Hydraulic valve (for top cylinder selection)
G-14
- Solenoid (for top cylinder selection) (SL230)
60-2 Hydraulic valve (for top cylinder retraction prevention)
F-14
- Solenoid (for top cylinder retraction prevention) (SL238)
61-1 Main winch H-14
Z-6 1.
61-2 Aux. winch H-16
62 -
63 Hydraulic valve (winch brake) (main, aux.) J-15
Z-6 8.
64 Filter (for hydraulic valve (winch brake)) J-12
65 Check valve H-7
Z-6 5.
66 Accumulator H-8
67 -
68 Pressure sensor (for elevation cylinder extending) (CN584) E-15
Z-6 3.
69 Pressure sensor (for elevating cylinder retracting) (CN585) D-15
70-1 Orifice (for main winch hoisting down pilot circuit)
G-9
Z-6 9.
70-2 Orifice (for aux. winch hoisting down pilot circuit)
70-3 Orifice (for boom retracting pilot circuit) E-12
70-4 Orifice (for boom lowering pilot circuit) E-9
70-5 Orifice (for slewing brake release circuit) D-12 Z-6 5.
71 Check valve (for oil cooler) F-5 Z-7 5.
72 Check valve (for elevation cylinder) K-11
Z-6 9.
73 Hydraulic valve (for elevation cylinder) K-12
74 Jib set cylinder B-7
Z-6 14.
75 Pilot check valve B-8
76 Solenoid valve (for jib set) B-9 Z-6 5.
77 Oil cooler F-5 Z-7 5.
78 Filter assy (slewing, steering circuit) A-10 Z-6 10.
“Location” shows each applicable paragraph No. of this manual’s contents.
Refer to the contents.