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
63REGULAR CHECKS AND MAINTENANCE WORK
REGULAR CHECKS AND MAINTENANCE WORK
To avoid personal injury:
A When operating, keep hands and body inside
of the ROPS / FOPS protective envelope.
A Do not touch the control levers and the pedals
from outside the cab during the engine
running.
EVERY 50 SERVICE HOURS
BDraining the Water from the Fuel Tank
To avoid personal injury:
A Before draining the water from the fuel tank, be
sure to stop the engine and remove the key.
A Do not smoke during inspection.
1. Open the cover.
2. Open the drain cock.
BDraining Water Separator
[Checking and Draining]
Water and dirt contained in fuel will settle down in the
water separator. When such foreign substances are
deposited, set the water separator handle to the
"CLOSE" position. Loosen the top screw first and then
the bottom cock to let the foreign substances out of the
separator.
Finally be sure to air-bleed the fuel system.
[Cleaning]
1. Set the water separator handle to the "CLOSE"
position.
2. Loosen and remove the cup proper, and clean its
inside with light oil.
3. Tighten up the cup proper.
A As water is collected, the red float goes up.
When the float has reached the specified line,
immediately drain the water separator.
A In reattaching the water separator, be careful to keep
off dust and dirt.
A Be sure to purge the fuel system before getting the
machine restarted.
(See "PURGING OF THE FUEL SYSTEM" in
"OTHER CHECKS AND REPLACEMENTS"
section.)
(1) Cover
(2) Drain cock
(A) Open
(B) Close
(1) Screw
(2) Cup
(3) Water separator handle
(4) Line
(5) Float
(6) Cock
(A) Close
(B) Loosen
(C) Tighten