OPERATOR’S MANUAL
HYDRAULIC EXCAVATOR
SK850
SUPER ACERA
TIER 3
S2LY00001ZE06
Issued April, 2010
APPLICABLE:
SK850 . . . . . . . . . . . . . . . . LY01-00101~
SK850 SUPER ACERA
TIER 3
CRAWLER EXCAVATOR
OPERATOR’S MANUAL
APPLICABLE NO. LY01-00101
NOTE: CNH America LLC reserves the right to make improvements in design or changes in
specifications at any time without incurring any obligation to install them on units previously sold.
KOBELCO CONSTRUCTION TECHNICAL MANUALS
Manuals are available from your Dealer for the operation, service, and repair of your machine. For
prompt convenient service, contact your Dealer for assistance in obtaining the manuals for your
machine.
Your Dealer can expedite your order for Operator’s Manuals, Parts Catalogs, Service Manuals, and
Maintenance records.
Always give the Machine Name, Model, and P.I.N. (Product Identification Number) or S.N. (Serial
Number) of your machine so your Dealer can provide the correct manuals for your machine.
Part Number: S2LY00001ZE06
CALIFORNIA
PROPOSITION 65 WARNING
Diesel engine exhaust and some of its constituents are known to the State of
California to cause cancer, birth defects, and other reproductive harm.
Battery post, terminals and related accessories contain lead and lead compounds.
Wash hands after handling.
Copyright © 2010 Kobelco Construction, LLC Rac S2LY00001ZE06 NA
All Rights Reserved Issued April 2010
Kobelco is a registered trademark of CNH America LLC
M171D
Safety Decals on this machine use the words Danger, Warning, or Caution, which are defined as follows:
● DANGER: Indicates an immediate hazardous situation that, if not avoided, will result in death or
serious injury. The color associated with Danger is RED.
● WARNING: Indicates a potentially hazardous situation that, if not avoided, could result in death or
serious injury. The color associated with Warning is ORANGE.
● CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury. It may also be used to alert against unsafe practices. The color associated with
Caution is YELLOW.
If Safety Decals on this machine are ISO two panel Pictorial, decals are defined as follows:
● The first panel indicates the nature of the hazard.
● The second panel indicates the appropriate avoidance of the hazard.
● Background color is YELLOW
● Prohibition symbols such as and if used, are RED.
WARNING_01_NA
THIS SAFETY ALERT SYMBOL INDICATES IMPORTANT SAFETY MESSAGES IN THIS MANUAL.
WHEN YOU SEE THIS SYMBOL, CAREFULLY READ THE MESSAGE THAT FOLLOWS AND BE
ALERT TO THE POSSIBILITY OF DEATH OR SERIOUS INJURY.
IMPROPER OPERATION OF THIS MACHINE CAN CAUSE DEATH OR SERIOUS INJURY. BEFORE
USING THIS MACHINE, MAKE CERTAIN THAT EVERY OPERATOR:
● Is instructed in safe and proper use of the machine.
● Reads and understands the Manual(s) pertaining to the machine.
● Reads and understands ALL Safety Decals on the machine.
● Clears the area of other persons.
● Learns and practices safe use of machine controls in a safe, clear area before operating this
machine on a job site.
It is your responsibility to observe pertinent laws and regulations and follow Kobelco Construction, LLC
instructions on machine operation and maintenance.
STOP
I
TABLE OF CONTENTS
CHAPTER 1
GENERAL INFORMATION
To the Owner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Right, Left, Front, and Rear of the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Machine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Identification Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
CHAPTER 2
SAFETY, DECALS, AND HAND SIGNALS
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Safety Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Operator Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Hand Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
CHAPTER 3
INSTRUMENTS AND CONTROLS
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Operator Cab and Operator Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Operator’s Compartment Controls and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Switch and Meter Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Operating Levers and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
CHAPTER 4
OPERATING INSTRUCTIONS
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Before Operating the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Operating the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Machine Warm Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Control Decal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Hydraulic Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Using Auto Acceleration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Practices to Improve Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Machine Operation in Adverse Weather Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Recommendation for Longer Undercarriage Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Bucket Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Use of Optional Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
Transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
Machine Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
CHAPTER 5
LUBRICATION, FILTERS, AND FLUIDS
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Fluids and Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Lubricant Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
CHAPTER 6
MAINTENANCE AND ADJUSTMENTS
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Lubrication And Maintenance Quick Reference Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Daily Inspection & Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14
50 Hour Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
120 hour maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23
II
250 hour maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
500 hour maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29
1000 Hour Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-39
2000 Hour Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-43
5000 Hour Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-50
Periodical Inspection Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-52
Maintenance for Nibbler/Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-63
Special Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-65
Disassembly and Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-70
Attachment and Counterweight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-71
Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-81
CHAPTER 7
ELECTRICAL
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Electrical Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
CHAPTER 8
SPECIFICATIONS
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
SK850 General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
SK850 Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Lifting Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12
CHAPTER 9
INDEX
CHAPTER 1 - GENERAL INFORMATION
1-1
CHAPTER 1
GENERAL INFORMATION
TO THE OWNER
SK850-LC CRAWLER EXCAVATOR
Your machine has been designed and built to the highest standards of quality. It conforms to all current safety
regulations. The risk of accidents can never be completely excluded. That is why it is essential to observe
elementary safety rules and precautions.
Read this manual carefully, paying particular attention to the instructions concerning safety, operation and
maintenance so as to avoid the risk of injury while operating or servicing the machine.
The standard attachments and tools of this machine are designed to carry out all kinds of earth moving and
rehandling operations. If you want to use this machine to handle a load (pipes, culverts, formwork, etc.), make sure
that it is equipped to carry out this kind of work. For this type of application, the machine must be equipped with
safety valves, a load handling chart corresponding to the type of machine and its attachment and a load fixing
point. All legal requirements must also be strictly observed.
Do not use this machine for any application or purpose other than those described in this manual. If the machine is
to be used for work involving the use of special attachments, accessories or equipment, consult your Kobelco
Dealer in order to make sure that any adaptations or modifications made are in keeping with the machine's
technical specifications and with prevailing safety requirements.
Any modification or adaptation which is not approved by the manufacturer may invalidate the machine's initial
conformity with safety requirements.
The machine must undergo regular inspections, the frequency of which varies according to the type of use. Consult
your authorized Kobelco Dealer.
Before permitting a new operator on this machine, make certain:
The operator has received the necessary training to operate the machine correctly and safely.
The operator has read and understands the instructions given in this manual and the Operator’s Manual.
The operator possesses a valid local vehicle permit and/or other applicable local age work permits.
Always keep this manual in the operator's compartment (in the seat back, behind the operator's seat). Make sure it
is complete and in good condition. If you wish to obtain extra copies, or copies in languages other than that of the
country of use, consult your authorized Kobelco Dealer.
Your Kobelco Dealer is available for any further information. They will also provide any after-sales service you may
need, and genuine Kobelco spare parts, your guarantee of quality and match. Contact your dealer for operator
manuals translated into Spanish or French Canadian.
The information in this manual is provided on the basis of information that was available at the time the manual was
written. Settings, procedures, part numbers, software and other items can change. These changes can affect the
service that is given to the machine. Ensure that you have complete and current information from you dealer before
you start any machine operation.
CHAPTER 1 - GENERAL INFORMATION
1-2
RIGHT, LEFT, FRONT, AND REAR OF THE MACHINE
The terms Right-hand, Left-hand, Front, and Rear are used in this manual to indicate the sides as they are seen
from the operator's seat when the cab is over the idler wheels.
Figure 1 below shows the machine in normal TRAVEL position. In normal TRAVEL position, the cab is over the
idler wheels. The travel reduction gears are at the rear of the upper structure.
DC03H142
Figure 1
6 6
3 4
5 5
1
2
1. FRONT 3. RIGHT HAND SIDE 5. TRAVEL REDUCTION GEARS (TRAVEL MOTORS)
2. REAR 4. LEFT HAND SIDE 6. IDLER WHEELS
CHAPTER 1 - GENERAL INFORMATION
1-3
MACHINE COMPONENTS
DC03H141
Figure 2
MACHINE COMPONENTS
1. ENGINE 10. BOOM 19. TRACK IDLER 28. TRAVEL MOTOR
2. HYDRAULIC PUMP 11. ARM CYLINDER 20. TRACK SPRING 29. BATTERY
3. ENGINE MUFFLER 12. ARM 21. ENGINE AIR CLEANER 30. ENGINE RADIATOR
4. MAIN CONTROL VALVE 13. BUCKET CYLINDER 22. CAT WALK 31. POWER DIVIDER
5. HYDRAULIC OIL TANK 14. IDLER LINK 23. STEP 32. ENGINE HOOD
6. FUEL TANK 15. BUCKET LINK 24. UPPER ROLLER 33. COUNTERWEIGHT
7. SWING MOTOR 16. BUCKET 25. ACCESS DOOR 34. OIL COOLER
8. HAND RAIL 17. OPERATOR CAB 26. SWING RING
9. BOOM CYLINDER 18. TRACK SHOE ASSEMBLY 27. ELECTRIC GREASE PUMP
31
26
25
27
28
23
22
20
19
18
17
7
8
9
10
11
12
13
14
15
24
34
29
30
21
33
2
32
1
3
4
5
6
16
CHAPTER 1 - GENERAL INFORMATION
1-4
IDENTIFICATION NUMBERS
MODEL, SERIAL NUMBER, AND YEAR OF
MANUFACTURE
When ordering parts, obtaining information or
assistance, always supply your Kobelco
Construction, LLC Dealer with the type and serial
number of your machine or accessories.
Write the following in the spaces below: The type,
serial number and year of manufacture of your
machine, accessories and the serial numbers of the
various hydraulic and mechanical components.
DC03H140
Figure 3
ENGINE
DC03H139
Figure 4
COMPONENT SERIAL NUMBERS
PRODUCT IDENTIFICATION PLATE
➤
Model
➤
Serial Number
➤
Manufacturing Year
ENGINE
➤
Make and Model
➤
Serial Number
COMPONENT SERIAL NUMBERS
➤
Hydraulic Pump
➤
Swing Reduction Gear
➤
Travel Reduction Gears
➤
Travel Control Valve
➤
Attachment Control Valve
➤
Swing Control Valve
CHAPTER 2 - SAFETY, DECALS, AND HAND SIGNALS
2-1
CHAPTER 2
SAFETY, DECALS, AND HAND SIGNALS
TABLE OF CONTENTS
SAFETY RULES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Personal Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Safety Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Utility Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
OPERATOR PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Mounting and Dismounting Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Starting and Stopping Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Operating Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Maintenance Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Fuel Handling Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Burn Prevention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Hazardous Chemical Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Transporting Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Roll-Over Protective Structure (If equipped) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Fire Extinguisher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Seat Belt Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
emergency exit Hammer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Specific Precautions to this Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
DECALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Counterweight Lifting Eyes - Danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Working Above Ground - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Lifting Fuel Tank - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Working Above Ground - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Adjusting Track Tension - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Hot Parts - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Stop Engine - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Hot Coolant - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Booster Cable - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Booster Cable - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
California Proposition 65 - Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Handling Pilot Hoses - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Hot and Rotating Parts - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Hot Parts - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Swing - Danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Operating Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Attachment Operation By Foot Pedal - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Nibbler & Breaker Hydraulic Oil Maintenance (Optional) - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Machines Equipped with Pattern Control Change Valve (Optional) - Warning . . . . . . . . . . . . . . . . . . . . . . . 2-21
Work Mode Selection - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Do Not Pinch Your Hand(s) - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Lock Front Window at the Housed Position - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Swing Brake Release - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
Nibbler & Breaker Operation (Optional) - Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
Keep Clear Of Machine - Danger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
HAND SIGNALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Raise Load Vertically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Lower Load Vertically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Move Load In Horizontally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Move Load Out Horizontally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
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Description
The Kobelco SK850 Excavators Operator's Manual is a comprehensive guide for operating and maintaining the powerful Kobelco SK850 Super Acera Tier 3 Hydraulic Excavator. Whether you're a professional mechanic or a DIY enthusiast, this manual is packed with valuable information to help you get the most out of your machine.
Inside, you'll find detailed instructions on safely and efficiently operating the SK850 Excavator. From starting and stopping procedures to advanced techniques for digging and lifting, this manual has it all. It also includes essential maintenance tips to ensure your excavator stays in top shape, as well as important safety guidelines to keep you and your crew protected on the job site.
Key features of the Kobelco SK850 Super Acera Tier 3 Hydraulic Excavator Operator's Manual:
- Comprehensive operating instructions
- Detailed maintenance procedures
- Essential safety guidelines
- Service information for troubleshooting and repairs
Invest in the Kobelco SK850 Excavators Operator's Manual today and unlock the full potential of your machine. Whether you're a construction professional or a DIY enthusiast, this manual is an invaluable resource for anyone operating the SK850 Super Acera Tier 3 Hydraulic Excavator.
