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Specifications

Hydraulic Equipment

Hydraulic Device

Hydraulic pump drive type

Direct engine link (no transmission)

Hydraulic pump

Model

Double variable displacement piston pump x 1
Gear pump x 1

Discharge volume

Piston pump 2 x 285 L/min
Gear pump 28.5 L/min

Pump control method

Simultaneous output full-horsepower control

Set pressure of main relief valve

34.3 MPa (37.3 MPa for pressure boost)

Set pressure of overload relief valve

27.4 MPa (boom down)
39.2 MPa (boom up/arm/bucket)

Control Valve and Cylinder

Control valve

Model

Quadruple spool + quintuple spool 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 D145 mm - D100 mm - 1495 mm

Arm cylinder

1 x D170 mm - D120 mm - 1748 mm

Bucket cylinder

1 x D150 mm - D105 mm - 1210 mm

Capacities, Filters

Coolant and Oil Capacities

Coolant

35.4 L

Fuel

580 L

Engine lubricating oil (including remote oil filter)

49 L

Travel reduction gear lubricating oil (one side)

11 L

Swing reduction gear lubricating oil

5 L

Hydraulic oil

350 L

Hydraulic oil tank regulation amount

175 L

Hydraulic Oil Filters

Suction filter (inside tank)

105 μm

Return filter (inside tank)

6 μm

Pilot line filter (inside pump chamber)

8 μm

Fuel Filter

Main filter

2 μm

Pre-filter

7 μm

84402832 NA - May 2011

1002A-6

Summary of Contents for CX250C

Page 1: ...ght 2011 CNH America LLC All Rights Reserved Case is a registered trademark of CNH America LLC Racine Wisconsin 53404 U S A Part number 84402832 1st edition English August 2011 SERVICE MANUAL CX350C T...

Page 2: ...Section 1001 Safety general information and standard torque data 84402832 NA May 2011...

Page 3: ...84402832 NA May 2011...

Page 4: ...CONTENTS GENERAL INFORMATION 3 Safety 4 ROPS Judgment Method 6 Standard Torque Data For Cap Screws And Nuts 10 84402832 NA May 2011 1001 1 Copyright 2011 CNH FRANCE S A PRINTED IN FRANCE...

Page 5: ...ore information Please click here Then get the complete manual NOTE If there is no response to click on the link above please download the PDF document first and then click on it Have any questions pl...

Page 6: ...84402832 NA May 2011 1001 2 Copyright 2011 CNH FRANCE S A PRINTED IN FRANCE...

Page 7: ...ry DO NOT DRY BEARINGS WITH COMPRESSED AIR NEEDLE BEARINGS Before you press needle bearings in a bore always remove any metal protrusions in the bore or edge of the bore Before you press bearings into...

Page 8: ...on machine Clear the area of other persons Learn and practice safe use of controls before operating It is your responsibility to understand and follow manufacturers instructions on machine operation...

Page 9: ...ly encloses the eyes approved goggles or other approved eye protectors WARNING Use suitable floor service jacks or chain hoist to raise wheels or tracks off the floor Always block machine in place wit...

Page 10: ...r each class If the weight is exceeded there is a danger that the cab could be damaged and the operator could die or sustain a serious injury when the machine falls over If the weight exceeds the stip...

Page 11: ...etermined in the same way for all machines a Ground point With the tip of the bucket in contact with the ground surface at maximum work radius if the position in the diagram that overlaps with the cab...

Page 12: ...of the anchoring part at the left rear of the cab Modifications that effect the strength of the ROPS of a cab A forbidden all modifications red part All modifications grinding welding drilling holes...

Page 13: ...n and standard torque data B series Cab In general high cabs do not satisfy the ROPS criteria It is necessary to consult with our company to check if the high cab model satisfies the ROPS criteria 844...

Page 14: ...cking to the bolt when it is removed clean the old Loctite off with cleaning fluid dry the bolt then apply 2 3 drops of Loctite to the thread section of the bolt Torque table Bolt nominal diameter siz...

Page 15: ...Section 1002A Specifications 84402832 NA May 2011...

Page 16: ...84402832 NA May 2011...

Page 17: ...Side Work System 4 Operating Device 4 Swing Units 5 Travel Lower Body 5 Hydraulic Equipment 6 Hydraulic Device 6 Control Valve and Cylinder 6 Capacities Filters 6 Coolant and Oil Capacities 6 Hydrauli...

Page 18: ...84402832 NA May 2011 1002A 2 Copyright 2011 CNH FRANCE S A PRINTED IN FRANCE...

Page 19: ...Unit Dimensions Main unit length 6010 mm Main unit width 3200 mm 600 G shoe Upper swing body width 3030 mm Cab width 1000 mm Main unit height 3160 mm Swing radius rear end 3550 mm Swing body rear end...

Page 20: ...short 2 21 m Arm length 3250 mm 4040 mm 2630 mm 2210 mm Bucket radius 1680 mm Bucket wrist angle 173 Maximum digging radius 11170 mm 11900 mm 10670 mm 10200 mm Maximum digging radius at ground line 10...

Page 21: ...0 W x 2 Boom side 24 V 70 W x 1 Interior light 4 V 10 W x 1 Horn Electric horn x 2 Other Wiper with intermittent function window washer air conditioner 4 rear view mirrors 2 on cab sides 1 front right...

Page 22: ...spool 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 D145 mm D100 mm 1495 mm Arm cylinder 1 x D...

Page 23: ...Section 1002B Main Equipment Table 84402832 NA May 2011...

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