Table of Contents
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Console and Seat Fore-aft Adjustment .........................1-128
Seat Fore-Aft Adjustment ..................................................1-128
Suspension Adjustment .....................................................1-129
Fore-Aft Position Adjustment of Seat Surface ............1-129
Angle Adjustment of Seat Surface..................................1-129
Backrest Adjustment ...........................................................1-129
Armrest Adjustment ............................................................1-129
Console Height Adjustment ...................................................1-130
Adjusting Procedures ..........................................................1-130
Installation and Adjustment of Mirrors ..............................1-131
Seat Belt .........................................................................................1-132
Battery Disconnect Switch ......................................................1-133
Switch Operation ..................................................................1-133
BREAK-IN ....................................................................... 2-1
Observe Engine Operation Closely ...........................................2-1
Every 8 Hours or Daily ....................................................................2-1
After the First 50 Hours .................................................................2-1
After the First 100 Hours ...............................................................2-1
OPERATING THE ENGINE .............................................. 3-1
Inspect Machine Daily Before Starting ....................................3-1
Before Starting Engine ..................................................................3-2
Starting the Engine .........................................................................3-3
Check Instruments After Starting ..............................................3-7
Using Booster Batteries .................................................................3-8
Stopping the Engine ................................................................... 3-10
Engine Auto-Stop in Extremely Low Temperature ........... 3-11
DRIVING THE MACHINE ................................................ 4-1
Drive the Machine Carefully ........................................................4-1
Steering the Machine Using Pedals ..........................................4-2
Steering the Machine Using Levers ..........................................4-3
Travel Mode Switch ........................................................................4-4
Travel Alarm .......................................................................................4-4
Operating on Soft Ground ...........................................................4-5
Raise One Track Using Boom and Arm ....................................4-5
Towing Machine a Short Distance .............................................4-6
Operating in Water or Mud ..........................................................4-7
Parking the Machine on Slopes ..................................................4-8
Parking the Machine ......................................................................4-8
OPERATING THE MACHINE ........................................... 5-1
Control Lever (ISO Pattern) ..........................................................5-1
Attachment Pedal (Hydraulic Breaker) (Optional) ...............5-2
Attachment Pedal (Hydraulic Crusher) (Optional) ...............5-3
Pilot Control Shut-Off Lever ........................................................5-4
Warming Up Operation .................................................................5-5
Engine Speed Control ....................................................................5-6
Auto-Idle .............................................................................................5-7
Auto Shut-Down ..............................................................................5-9
Muffler Filter Manual Regeneration ....................................... 5-12
Work Mode ..................................................................................... 5-14
Power Boost Switch ..................................................................... 5-17
Power Mode ................................................................................... 5-18
Operating Backhoe ...................................................................... 5-19
Shovel ............................................................................................... 5-20
Grading Operation ....................................................................... 5-21
CONTENTS
Do Not Strike the Ground with Bucket Teeth ..................... 5-22
Avoid Hammer Work ................................................................... 5-22
Avoid Abusive Operation .......................................................... 5-23
Avoid Side Load the Bucket ...................................................... 5-23
Do Not Use Wide Track Shoes on Rough Ground. ............ 5-24
Quick Coupler........................................................................... 5-25
Piping for Breaker and Crusher ............................................... 5-26
Selection Valve. ........................................................................ 5-26
Secondary Relief Pressure Adjustment ................................ 5-27
Precautions for Breaker Operation ......................................... 5-28
Element ...................................................................................... 5-32
Precautions for Crusher Operation ........................................ 5-33
Attachment ..................................................................................... 5-36
Attachment Connection Parts ................................................. 5-40
Operation ................................................................................... 5-42
Shackle Hole Usage ..................................................................... 5-42
Pilot Accumulator Functions .................................................... 5-43
When Engine Stops ................................................................ 5-44
Precautions for After Operations ............................................ 5-45
TRANSPORTING ............................................................ 6-1
Transporting by Road ....................................................................6-1
Loading/Unloading on a Trailer .................................................6-2
Fastening Machine for Transporting ........................................6-5
Unloading ..........................................................................................6-5
Lifting Machine ................................................................................6-7
MAINTENANCE .............................................................. 7-1
Correct Maintenance and Inspection Procedures ...............7-1
Check the Hour Meter Regularly ................................................7-3
Preparations for Inspection and Maintenance .....................7-6
Hood and Access Covers ...............................................................7-7
Daily Check ........................................................................................7-9
Maintenance Guide ..................................................................... 7-10
Periodic Replacement of Parts ................................................. 7-15
Kind of Oils ...................................................................................... 7-16
Recommended Engine Oil ................................................... 7-16
A. Greasing ...................................................................................... 7-19
Front Joint Pins ........................................................................ 7-19
Swing Bearing .......................................................................... 7-21
Swing Internal Gear................................................................ 7-22
B. Engine .......................................................................................... 7-23
Engine Oil Level ....................................................................... 7-23
Change Engine Oil ................................................................. 7-25
Replace Engine Oil Filter ....................................................... 7-25
Check and Clean Around the Engine ............................... 7-27
C. Transmission .............................................................................. 7-28
Pump Transmission ............................................................... 7-28
Swing Reduction Gear .......................................................... 7-29
Travel Reduction Gear ........................................................... 7-30
D. Hydraulic System ..................................................................... 7-32
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