Kubota M5040, Workshop Manual

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8-S2
M5040, M6040, M7040, WSM HYDRAULIC SYSTEM
2. SERVICING SPECIFICATIONS
HYDRAULIC PUMP
W1013874
RELIEF AND SAFETY VALVE
W1013874
POSITION AND DRAFT CONTROL LINKAGE
W1013874
Item Factory Specification Allowable Limit
Hydraulic Pump for Three Point Linkage
Condition
• Engine speed :
Approx. 2600 min
-1
(rpm)
• Rated pressure : 18.6 MPa
190 kgf/cm
2
2703 psi
• Oil temperature : 50 to 60 °C
122 to 140 °F
Delivery Above
38.3 L/min.
10.12 U.S.gals/min.
8.42 Imp.gals/min.
32.2 L/min.
8.51 U.S.gals/min.
7.08 Imp.gals/min.
Relief Valve Setting Pressure 18.2 to 19.1 MPa
185 to 195 kgf/cm
2
2632 to 2773 psi
–
Safety Valve Opening Pressure 23.1 to 24.5 MPa
235 to 250 kgf/cm
2
3342 to 3556 psi
–
Position Control Rod (ROPS) Length Approx. 159 mm
6.26 in.
–
Draft Control Rod (ROPS) Length Approx. 146 mm
5.75 in.
–
Position Control Rod (CABIN) Length Approx. 185 mm
7.28 in.
–
Draft Control Rod (CABIN) Length Approx. 182 mm
7.17 in.
–
Position Feedback Rod
(ROPS and CABIN) Length 156 mm
6.14 in.
–
Draft Feedback Rod
(ROPS and CABIN) Length 252 mm
9.92 in.
–
Position Control Floating Range 10 to 30 mm
0.39 to 1.18 in.
–
Uppermost Position of Lift Arm Cylinder Free Play 5 to 8 mm
0.197 to 0.315 in.
–
Draft Lever Free Range Floating Range Less than 25.0 mm
0.984 in.
–
Draft Floating Range Check Floating Range More than 15.0 mm
0.59 in.
–
Position and Draft Control Lever Operating Force 20 to 40 N
2.0 to 4.1 kgf
4.5 to 9.0 lbf
–
KiSC issued 06, 2008 A