IHI 9NX - Hydraulic Pump

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SPECIFICATIONS

9NX

HYDRAULIC PUMP

v~eliver~

port

PF3/8

Logical delivery volume

:

No.1 pump 4.64 cm3

No.2 pump 4.64 cm3

Rated pressure

:

18.6

MPa

(190

kgf/cm2)

Table of Contents

Specifications3
Overall Dimensions6
Working Range (Back Hoe)7
Weight Breakdown8
Engine Main Data and Specifications9
Lifting Capacities 9NX10
Load Rating Chart (SAE Method)10
Table of Contents12
Structure, Function12
Nomenclature13
Hydraulic System Diagram14
Engine and Auxiliary Components16
Hydraulic Tank Ass'y17
Pump Drive Device18
Hydraulic Pump19
- Control Valve Diagram20
- Swing Drive Device and Bearing23
Swing Motor Ass'y24
- Rotary Joint Assembly - Lower Piping Assembly25
- Travel Motor26
Crawler Shoe Adjusting Device27
Front Idler Ass'y28
Lower Roller Ass'y29
- Rubber Crawler Shoe Assembly30
- Travel Speed Shift Valve Ass'y31
- Boom Cylinder Ass'y32
- Arm Cylinder Ass'y33
- Bucket Cylinder Ass'y34
- Boom Swing Cylinder Ass'y35
- Blade Cylinder Ass'y36
- Spanner Cylinder Ass'y37
Attachment Ass'y38
Bucket Ass'y39
- Attachment Data40
- Electrical Wiring and Locations41
Electrical Wiring System Diagram42
- Operation43
- Controls and Instruments44
- Fuses45
- Meter45
- Monitor Lamps45
- Switches46
- Control Shut-Off Lever47
- Left Operating Lever47
- Machine Controls47
- Engine Throttle Lever48
- Right Operating Lever48
- High Speed Travel Pedal49
- Travel Lever49
- Blade Lever50
- Boom Swing Pedal50
- Before Starting the Engine51
- Walk-Around Inspection51
- Starting Engine52
- Jumper Cable Starting53
- "Break-In" Operation54
- After Starting the Engine54
- Backshoe Operation55
- Adjustment of the Pedal Stopper57
- Operating the Special Attachments and Actuators57
- Single Action Operation57
- Double Action Operation Used: Wrecking Fork and Others58
- Single Action Operation Used: for Power Port Works58
- Forward Direction Travel59
- Reverse Direction Travel59
- Straight Travel59
- Traveling the Machine59
- Pivot Left/Right Turn60
- Spot Turn60
- Steering Control60
- Caution on Travel on a Grade61
- High Speed Travel61
- Crawler Extension/Retraction62
- Towing63
- Lifting the Machine64
- Loading and Unloading the Machine65
- Machine Loading Onto a Truck65
- Securing the Machine65
- Precaution on Use of Rubber Track Shoe66
- Engine Stopping67
- Leaving the Machine67
- Machine Stopping67
- Parking the Machine67
- Maintenance68
- Maintenance Intervals69
- Lubrication Chart Maintenance and Checks70
- Recommended Lubrication Table71
  - Track Loosening72
  - Track Tightening72
  - Tracks Check/Adjust72
- When Required Maintenance and Checks72
  - Break of Steel Cords73
  - Crack of Covering Rubber73
  - Height of Lugs73
  - Rubber Track Shoe Maintenance73
  - Fuses Replacement74
  - Fusible Link74
  - Battery Maintenance75
  - Change the Bucket76
  - Check the Coolant Level77
  - Check the Engine Oil Level77
- Daily Maintenance and Checks77
  - Fill Fuel Tank78
  - Hydraulic Oil78
  - Water Sedimenter79
  - 50 Hours Maintenance and Checks81
  - 250 Hours Maintenance and Checks82
  - Service the Filter Elements83
  - Air Purge Method85
  - Clean the Fuel Filter Element85
  - Change the Coolant86
  - Fan and Alternator Belt86
  - 500 Hours Maintenance and Checks87
  - Check the Fixed Bolt Torque87
  - Torque Specifications87
  - Change the Return Filter88
  - Change the Fuel Filter Element89
  - Check the Travel Drives Oil Level90
  - Replacement of Fuel Pump Pre-Filters90
- 1000 Hours Maintenance and Checks91
  - Change the Travel Drive Oil91
  - Change Hydraulic Oil and Clean the Strainer92
  - 2 Years Maintenance and Checks94
  - Cooling System Coolant Check and Change94
  - Mixing Rate of Long-Life Coolant95
  - Selection of Coolant95
  - Extreme Cold96
- Unusual Operating Conditions96
  - Extreme Heat97
  - Sandy or Dusty Work Sites97
  - High Altitudes98
  - High Humidity or Saltwater98
- Long Term Storage99
- Hydraulic System Pressure Settings100
- Gauge Ports and Relief Valve Locations100
- Main Relief Valve Pressure Measuring and Adjusting Procedure101
- Overload Relief Valve Pressure Measuring and Adjusting Procedure103
- Swing Relief Valve Pressure Measuring and Adjusting Procedure105
- Performance Standards106

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