Case CX500C, Service Manual

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INTRODUCTION
General specification - Main equipment
Lower component
Travel unit
Manufacturer Nabtesco Corporation
Motor type Variable displacement piston motor
Automatic 2-speed switchover with parking brake
Intake amount 290.7 - 170.1 cm³/rev ( 17.740 - 10.380 in³/rev )
Operating pressure 34.3 MPa ( 4975 psi )
Operating flow 360.4 l/min ( 360.4000 US gpm )
Brake torque 71012.16 N·m ( 52375.88 lb ft ) min. (including reduction gear)
Relief valve set pressure 35.8 - 37.8 MPa ( 5192.790 - 5482.890 psi )
Automatic 2-speed switch over pressure 26.5 MPa ( 3844 psi )
Reduction gear
Reduction gear type Planetary gear 2-stage reduction gear
Reduction ratio 60.652
Dry weight 613 kg ( 1351.434 lb )
Take-up roller
Weight 262.9 kg ( 579.5953 lb )
Upper roller
Weight 42.1 kg ( 92.8146 lb )
Lower roller
Weight 82.3 kg ( 181.4404 lb )
Recoil spring
Item Weight Quantity
Yoke 51 kg ( 112.4358 lb ) 1
Sems B M16
X
50 0.5 kg ( 1.1023 lb ) 4
Threaded rod
66.3 kg ( 146.1665 lb )
1
Groove height N M76
X
6 3.3 kg ( 7.2753 lb ) 1
SP pin 10 x 100 0.1 kg ( 0.2205 lb ) 1
Recoil spring 147.2 kg ( 324.5204 lb ) 1
Grease cylinder assembly 62.2 kg ( 137.1275 lb ) 1
Sems B M16
X
70 0.3 kg ( 0.6614 lb ) 2
Assembly (total) 340.6 kg ( 750.9 lb )
Mounting length of spring 740 mm ( 29.13 in )
Shoe
Weight or Quantity
600 grouser 2585 kg ( 5698.949 lb )
Link 1 set
Shoe 50
Bolt 200
Nut 200
750 grouser 2930 kg ( 6459.544 lb )
Link 1 set
Shoe
50
Bolt 200
Nut 200
900 grouser 3280 kg ( 7231.162 lb )
Link 1 set
Shoe 50
48032547 22/06/2016
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