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
EXCAVATOR OPERATION34
TWO PATTERN SELECTION
SYSTEM(TPSS)
To avoid personal injury:
A Study control lever pattern A and pattern B.
Then choose the one which is most familiar.
A Position the pattern selector lever (located on
the right side of operator's seat) in either the
lower position (Pattern A) or the upper position
(Pattern B).
A Engage the lever lock to prevent accidental
pattern change.
A Familiarize yourself with the pattern selected
by operating slowly.
BPattern Change
1. Disengage the lever lock to open the cover and
position the pattern selector lever to the desired
position.
2. Close the cover and engage the lever lock.
(1) Pattern selector lever
(Two Pattern Selection System:TPSS)
(2) Lever lock
(A) "Pattern A"
(B) "Pattern B"
Lever Position Pattern A Pattern B
Attachment
Control Lever
(Left)
A
B
C
D
Boom down
Boom up
Swing left
Swing right
Arm up
Arm crowd
Swing left
Swing right
Attachment
Control Lever
(Right)
Arm up
Arm crowd
Bucket crowd
Bucket dump
Boom down
Boom up
Bucket crowd
Bucket dump