6
-
7
42hw-201601
Chapter 6 hydrauliC system
6
3015r(h)/3515r(h)/4015r(h)/F36r(h)/F42r(h) traCtOr
3. majOr COmpONeNt speCiFiCatiONs
3.1 pst valve
type
OpeN CeNter, NON-lOad reaCtiON type
iNteGral relieF valve
Relief valve setting pressure
Capacity
74 cc/rev
Rated flow
8 ℓ/min
Max. system pressure
13.7 MPa
140 kgf/cm
2
1,988 psi
Maximum back pressure
3.4 MPa
35 kgf/cm
2
498 psi
Max. temperature
95
℃
203
℉
Steering input torque (when energized)
Filter
Nominal 10
µ
m
12.8 - 13.5 MPa
130 - 137 kgf/cm
2
1,857 - 1,959 psi
at 8 ℓ/min
1.47 N.m
0.15 kgf.m
1.08 lbf.ft
Reference
Primary pump
Secondary pump
Theoretical discharge volume
13.0 cc/rev
7.0 cc/rev
Maximum pressure
210 kgf/cm
2
210 kgf/cm
2
Revolving speed
500 - 2,500 rpm
500 - 3,000 rpm
Turning direction (when seeing from
end of shaft)
Counterclockwise
Clockwise
3.2 hydrauliC pump
Max. flow
45 ℓ/min.
Operating pressure
180 kgf/cm
2
3.3 CONtrOl valve
Summary of Contents for 3015h
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