OPERATOR'S MANUAL
Table Of Contents
- OPS - Excavator U48-4 (RD45881312)
- Abbreviation List
- General Symbols
- Foreword
- Safety First
- Contents Page
- Safe Operation
- Dealer Service
- Technical Data
- Description of Machine Parts
- Instrument Panel and Control Elements
- Checks Before Start
- Daily Checks
- Checking the Devices
- Starter Switch
- Display Selector Switch
- LCD Display for Normal Operation
- Warning Lamp
- LCD Display for Warning
- Setting the Clock
- Reordering the year/month/day and Changing the AM/PM System to the 24 hour one
- Log Record
- Periodic Check
- If all the Check Points are not Displayed at a Glance on a Single Screen
- When the Checkup is Completed
- Horn Switch
- Working Light Switch
- AUX Port Flow Rate Limit Switch
- Auto Idle Switch
- Throttle Potentiometer
- Travel Speed Switch
- CAB Type Machines
- Air Conditioner
- Handling the Safety Devices
- Operation of the Engine
- Excavator Operation
- Running-In of the New Excavator
- Starting
- Driving
- Turns
- Up and Downhill Driving
- Parking on a Slope
- Operation of the Dozer
- Two Pattern Selection System (TPSS)
- Operation of the Boom
- Operation of the Arm
- Operation of the Bucket
- Unit Swing and Boom Swing Operation
- Auxiliary Port Operation
- How to Release Pressure Trapped in the Hydraulic System
- 1 Way or 2 Way Circuit Selection Valve Operation
- Auto Idle (AI) Operation
- Important Information on Excavator Operation
- Transporting the Excavator on a Vehicle
- Lifting of the Excavator
- Maintenance
- Maintenance Intervals
- Opening and Closing of Covers
- Daily Checks
- Checking Coolant Level
- Checking Fuel Level
- Checking Engine Oil Level
- Checking Hydraulic Oil Level
- Checking V-Belt
- Checking Radiator and Oil Cooler
- Checking Washer Liquid
- Cleaning Pre-Cleaner
- Checking and Cleaning Engine and Electrical Wiring
- Greasing Boom Swing Fulcrum
- Washing Whole Machine
- Greasing Front Attachments (without Bucket Pin and Boom Swing Fulcrum)
- Greasing Bucket Pin and Bucket Link Pin
- Regular Checks and Maintenance Work
- Other Adjustments and Replacements
- Troubleshooting
- Operation Under Cold Weather Conditions
- Long Storage
- Recommended Oils
- Appendices
- Lifting Capacity
- List of Screens
CONTENTS
Cup Holder......................................................................................................................57
DAILY CHECKS..................................................................................................... 57
Checking Coolant Level.................................................................................................. 57
Checking Fuel Level ....................................................................................................... 58
Checking Engine Oil Level.............................................................................................. 58
Checking Hydraulic Oil Level.......................................................................................... 59
Checking V-belt .............................................................................................................. 59
Checking Radiator and Oil Cooler .................................................................................. 60
Checking Washer Liquid................................................................................................. 61
Cleaning Pre-Cleaner ..................................................................................................... 61
Checking and Cleaning Engine and Electrical Wiring..................................................... 61
Greasing Boom Swing Fulcrum ...................................................................................... 61
Washing Whole Machine ................................................................................................ 61
Greasing Front Attachments (without Bucket Pin and Boom Swing Fulcrum)................62
Greasing Bucket Pin and Bucket Link Pin ...................................................................... 62
REGULAR CHECKS AND MAINTENANCE WORK ................................................. 63
EVERY 50 SERVICE HOURS ............................................................................... 63
Draining the Water from the Fuel Tank........................................................................... 63
Draining Water Separator...............................................................................................63
Battery ............................................................................................................................ 64
Battery Charging............................................................................................................. 65
Greasing Swing Bearing Teeth....................................................................................... 65
EVERY 200 SERVICE HOURS ............................................................................. 66
Adjusting V-belt Tension................................................................................................. 66
Checking Radiator Hoses and Clamps........................................................................... 67
Inspection and Cleaning Air Filter Element.....................................................................67
Air Filter Maintenance.....................................................................................................68
Greasing Swing Ball Bearing .......................................................................................... 68
Checking Fuel Line and Intake Air Line .......................................................................... 69
AIR CONDITIONER............................................................................................... 69
Cleaning Air Filter ........................................................................................................... 69
Checking Air-Conditioner Condenser ............................................................................. 70
EVERY 250 SERVICE HOURS ............................................................................. 70
Changing Engine Oil (First Engine Oil Change after 50 Service Hours) ........................ 70
Replacing Engine Oil Filter ............................................................................................. 71
EVERY 500 SERVICE HOURS ............................................................................. 71
Drive unit Oil Change(First Oil Change of the 50 hours) ................................................71
Replacing Fuel Filter Cartridge....................................................................................... 72
Replacing Breather Filter ................................................................................................ 72
EVERY 1000 SERVICE HOURS ........................................................................... 72
Replacing the Hydraulic Pilot Filter Element................................................................... 72
Replacing Hydraulic Return Filter Element..................................................................... 73
Hydraulic Oil Change (Including Replacing of the Suction Filter in the Hydraulic Tank) 73
Hydraulic Oil Check with Hydraulic Hammers ................................................................ 74
EVERY 1000 SERVICE HOURS OR ONCE A YEAR ........................................... 75
Replacing Air Filter Element ........................................................................................... 75
EVERY 1500 SERVICE HOURS ........................................................................... 75
Checking Fuel Injection Nozzle(Injection Pressure) ....................................................... 75
EVERY 2000 SERVICE HOURS ........................................................................... 75
Changing Front Idler and Track Roller Oil ...................................................................... 75
Checking the Alternator and Starter Motor ..................................................................... 75