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
SAFE OPERATION-2
9. Check the surroundings carefully before using the
excavator or when attachments are being attached.
A Pay attention to the overhead clearance with electric
wires.
A Check for pipes and buried cables before digging.
A Check for hidden holes, obstacles, soft underground,
and overhangs.
A Do not allow any persons within the working range of
the excavator during operation.
A Check local regulations before digging and call
diggers hotline before working,
www.diggershotline.com or 811 (WI) and www.ne-
diggers.com or 1-800-331-5666 (NE).
10.Do not allow anyone to use the excavator until they
have been advised of the work to be performed and
they have indicated that they have read and
understood the operator's manual.
11.Do not wear baggy, torn or oversized clothing when
working with the excavator as such clothing can get
caught in rotating parts or control elements which can
cause accidents or injuries. Wear adequate safety
clothing, e.g. safety helmet, safety shoes, eye
protection, ear protection, working gloves, etc., as
necessary and as prescribed by law or statutes.
12.Do not allow passengers to ride on any part of the
excavator at anytime. The operator must remain in the
excavator seat during operation.
13.Check levers, pedals and all mechanical parts for
correct adjustment and wear. Replace worn or
damaged parts immediately. Check nuts and bolts
regularly for correct torque.
14.Keep your excavator clean. Heavy soiling, grease,
dust and grass can cause fires, accidents or injuries.
15.Use only KUBOTA authorized attachments.
16.Before starting the excavator, be absolutely sure that
the excavator has been filled with fuel, lubricated,
greased and undergone all necessary maintenance.
17.Do not modify the excavator, as such it could lead to
unforeseen safety problems.
18.Do not operate a hydraulic hammer on anything that is
above the operator's seat level as objects may fall into
the operator station.
19.Make sure attachments, particularly those utilizing
quick attach systems, are securely mounted.
20.Install protective guards on the excavator when
working in areas where objects may fall or be thrown.
(1) Helmet
(2) Clothing fit for work
(3) Tight seams
(4) Good grip footwear
(5) Well fitting cuffs
(6) Working gloves
(7) Straw hat
(8) Towel
(9) Baggy trousers
(10) Loose cuffs of the shirt
(11) Baggy shirt
(12) Rubber sandals