Case CX260C, Руководство по обслуживанию

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INTRODUCTION
Tank front
surface 24V 70W x1
Cab top 24V 70W x2 (option)
Working light
Boom up 24V 70W x1
Interior light 24V 70W x1
Horn Electric horn x2
Other Wiper with intermittent function, window washer, air
conditioner, clock, rear view mirrors (left and right, total
of 2), DC converter, AM/FM radio, feed pump (option),
rear view camera/side camera (option)
Swing units
Swing circle Swing bearing type (with inner gear)
Swing hydraulic motor Fixed displacement piston motor x 1
Reduction gear Planetary gear 2–stage reduction gear
Swing parking brake Mechanical lock (operational lever linkage type)
Undercarriage
Travel hydraulic motor Variable displacement piston motor x2
Reduction gear Planetary gear 2-stage reduction gear
Travel brake
Hydraulic lock
Parking brake Mechanical lock (travel lever linkage type)
Track shoe
Type Assembly-type triple grouser shoe
No. of shoe plates (per side) 49
Shoe width
600 mm ( 23.622 in ) (option 800 mm ( 31.496 in ))
Grouser height 26 mm ( 1.024 in )
Link pitch 190 mm ( 7.480 in )
Roller
No. of upper rollers (per side)
2
No. of lower rollers (per side) 9
Track belt tension adjuster Grease cylinder type (with cushion spring)
Hydraulic equipment
Hydraulic device
Hydraulic pump drive type Direct engine link (no transmission)
Hydraulic pump
Type Double variable displacement piston pump x 1
Gear pump x 1
Discharge volume Piston pump 2 x 234 L/min ( 61.816 US gpm )
Gear pump 20 L/min ( 5.283 US gpm )
Pump control method Simultaneous output full-horsepower control
Set pressure of main relief valve
34.3 MPa ( 4975 psi ) [ 38 MPa ( 5512 psi ) for pressure
boost]
Set pressure of overload relief valve
29.4 MPa ( 4264 psi ) (boom down) 38.7 MPa
( 5613 psi ) (other)
Control valve and cylinder
Control valve
Model
Quadruple spool
Quintuple spool
One-piece type x 1
Operating method Hydraulic pilot type: Travel, swing, and operating machine
Cylinder No. of cylinders x tube bore - rod diameter - stroke
Boom cylinder
2 x Ø130 mm ( 5.118 in ) - Ø90 mm ( 3.543 in ) - 1335 mm ( 52.559 in )
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