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KX61-3, KX71-3 WSM-M
j. Accessories of hydraulic components
Unload valve (Change valve) :
1.
1-1 Structure
Maker : Nishina
North America and Oceanea - version
2) Specifications
Red
Gray
(19)
M-IV-35
Hydraulic System
Red
Black
(1) Shim
(11) Plug
(2) spring
(12) Hollow bolt
(3) Name plate
(13) Washer
(4) Plunger
(14) Screw
(5) Spring
(15) O-ring
(6) Spool
(16) O-ring
(7) Body
(17) O-ring
(8) Solenoid
(18) Cable clamp
(9) Cover
(19) Protection tube
(1) Rated voltage:
DC 10.8 ~ 14.4V
(2) Current:
1.2 A at 20 °C
(3) Insulation:
JIS C 4003 H
(4) Coil resistance: Approx. 12 Ω
(5) Surge killer:
Diode
+0.2
Relief valve set
3.9
MPa (40
0
(6)
pressure:
at 6l/min
Cracking
3.4 MPa (35kgf/cm
(7)
pressure:
at 2l/min
p → A, B
(8) Back pressure:
0.2 MPa (2.0 kgf/cm
less
A, B, G = pF 1/4
(9) Port size:
P, T = pF 3/8
Tightening torque : PF 1/4:26.5 N·m (2.7kgf·m)
(10)
M5:3.92 N·m (0.4kgf·m)
M10:21.6N·m (2.2kgf·m)
2
+0.2
kgf/cm
)
0
2
)
2
) or
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