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Comprehensive program for Agricultural Finance, the Automotive Sector, and Empowerment . We will define the full scope and provide a detailed two-week plan for identifying strategic partners in each area within Limpopo, including target areas.:
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• Scope: Provide support solutions to enhance agricultural productivity and sustainability.
• Target Areas: Polokwane, Tzaneen, Thohoyandou, Makhado, and Giyani.
2. Automotive Sector: Partnerships with Mechanics and Panel Beater Shops
• Scope: Develop collaborations with automotive service providers to improve service quality and business operations.
• Target Areas: Polokwane, Lephalale, Mokopane, Phalaborwa, and Bela-Bela.
3. Empowerment : Focusing on Women Empowerment
• Scope: Provide business support support and training to women-owned businesses, promoting economic inclusion.
• Target Areas: Polokwane, Thohoyandou, Musina, Burgersfort, and Louis Trichardt.
We will also prioritize Industrial Economic Zone areas and their priorities.
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To be eligible:
1. You must have a registered business and operate in Limpopo
2. Generate revenue
3. Sectors : Agriculture ( primary and secondary) and Automative
Women and Youth are encouraged to apply even if you don't fall in those sectors.
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𝘼𝙣𝙩𝙞𝙦𝙪𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝙏𝙧𝙖𝙙𝙚𝙧𝙨 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙛𝙖𝙢𝙤𝙪𝙨 𝙛𝙤𝙧 𝙢𝙖𝙣𝙪𝙛𝙖𝙘𝙩𝙪𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨. 𝙒𝙚 𝙝𝙖𝙫𝙚 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙥𝙡𝙖𝙨𝙩𝙞𝙘 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙪𝙨𝙚𝙙 𝙞𝙣 𝙖𝙪𝙩𝙤𝙢𝙤𝙩𝙞𝙫𝙚 𝙖𝙣𝙙 𝙖𝙪𝙩𝙤 𝙥𝙖𝙧𝙩𝙨 𝙖𝙣𝙙 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙛𝙖𝙢𝙤𝙪𝙨 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙗𝙪𝙮 𝙩𝙝𝙚 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙛𝙧𝙤𝙢 𝙪𝙨.
Over the 10 years, we have gained a strong foothold in the market due to our range's high quality, competitive prices, and time-lined delivery schedules.
Daewoo doosan dx380 lc 5 excavator service repair manual (serial number 10001 and up)
1. Original InstructionsCopyright DOOSAN 2014
Serial Number 10001 and Up
Shop Manual
DX380LC-5 Excavator
950106-01236E
October 2014
DOOSAN and the DOOSAN logo are registered
trademarks of DOOSAN Corporation in the United
States and various other countries around the
world.
2. Table of Contents
Page I
1Table of Contents
1 Safety 1 Track Excavator Maintenance Safety
2 Specifications 1 Specifications
3 General Maintenance 1 General Maintenance Instructions
2 Standard Torques
4 Engine 1 Engine
2 Engine Coolant Heater (Option)
5 Upper Structure 1 Cabin
2 Counterweight
3 Hydraulic Oil Tank
4 Fuel Tank
5 Main Pump
6 Drive Coupling (Main Pump)
7 Main Control Valve
8 Swing Device
9 Fan Pump for Oil Cooler
10 Fan Motor for Oil Cooler
11 Joystick Valve (Work Lever)
12 Travel Control Valve (with Damper)
13 Solenoid Valve
14 Accumulator
15 Two Pump
16 Gear Pump (Rotating)
17 One Spool Valve (Rotating)
6 Lower Structure and Chassis 1 Swing Bearing
2 Center Joint
3 Travel Device
4 Track Assembly
3. Table of Contents
Page II
7 Front 1 Boom and Arm
2 Bucket
3 Cylinders
8 Hydraulic System 1 Hydraulic System
2 Hydraulic System Testing and Adjustment
3 Hydraulic System Troubleshooting
9 Electrical System 1 Electrical System
10 Options 1 One Way
2 Two-way
3 Rotating
4 Quick Coupler
11 Schematic 1 Hydraulic Schematic/Electrical Schematic
5. Track Excavator Maintenance Safety
1-1-5
DX380LC-5
SAFETY INSTRUCTIONS
SAFETY MESSAGES
Replace with Safety Messages Section on pages III and IV in
the Doosan Operation & Maintenance Manual.
WARNING
AVOID DEATH OR SERIOUS INJURY
Instructions are necessary before operating or servicing
machine. Read and understand the Operation &
Maintenance Manual and signs (decals) on machine. Follow
warnings and instructions in the manuals when making
repairs, adjustments or servicing. Check for correct
function after adjustments repairs or service. Untrained
operators and failure to follow instructions can cause death
or serious injury.
6. DX380LC-5Track Excavator Maintenance Safety
1-1-6
GENERAL
Safe Operation is Operator's
Responsibility
Only trained and authorized personnel should operate and
maintain the machine.
Follow all safety rules, regulations and instructions when
operating or performing maintenance on machine.
• Do not operate machine if you are under the influence of
drugs or alcohol. An operator who is taking prescription
drugs must get medical advice to determine if he or she
can safely operate a machine.
• When working with other personnel on a work site, be sure
that all personnel know nature of work and understand all
hand signals that are to be used.
• Be sure that all guards and shields are installed in their
proper location. Have guards and shields repaired or
replaced immediately if damaged.
• Be sure that you understand the use and maintenance of
all safety features such as safety lever and seat belt. Use
them properly.
• Never remove, modify or disable any safety features.
Always keep them in good operating condition.
• Always check for and know the location of underground
and overhead utility lines before excavating.
• Failure to use and maintain safety features according to
instructions in this manual, Safety Manual and Shop
Manual can result in death or serious injury.
Know Your Machine
Know how to operate your machine. Know the purpose of all
controls, gauges, signals, indicators and monitor displays. Know
the rated load capacity, speed range, braking and steering
characteristics, turning radius and operating clearances. Keep in
mind that rain, snow, ice, loose gravel, soft ground, slopes etc.,
can change operating capabilities of your machine.
7. Track Excavator Maintenance Safety
1-1-7
DX380LC-5
Proper Work Tools and Attachments
Only use work tools and attachments that are recommended by
DOOSAN for use on DOOSAN machines. When installing and
using optional attachments, read instruction manual for
attachment, and general information related to attachments in this
manual. Because DOOSAN cannot anticipate, identify or test all
attachments that owners may want to install on their machines,
contact DOOSAN for written authorization and approval of
attachments, and their compatibility with optional kits.
Attachments and attachment control systems that are
compatible with the machine are required for safe and reliable
machine operation. Do not exceed maximum operating weight
(machine weight plus attachment) that is listed on ROPS
certification plate.
Make sure that all guards and shields are in place on machine
and on work tool. Depending on type or combination of work
equipment, there is a potential that work equipment could
interfere with the cabin or other parts of machine. Before using
unfamiliar work equipment, check if there is any potential of
interference, and operate with caution.
While you are performing any maintenance, testing, or
adjustments to attachments, stay clear of the following areas:
cutting edges, pinch points, and crushing surfaces.
Never use attachment as a work platform or manlift.
Contact your DOOSAN distributor about auxiliary hydraulic kits
for attachments installation. If you are in doubt about
compatibility of a particular attachment with a machine, consult
your DOOSAN distributor.
Pressurized Fluids
Pressurized air or fluids can cause debris and/or fluids to be
blown out. This could result in death or serious injury.
Immediately after operations are stopped, coolant, engine oil,
and hydraulic oil are at their highest temperatures and the
radiator and hydraulic tank are still under pressure. Always wait
for temperature to cool down. Follow specified procedures when
attempting to remove caps, drain oil or coolant, or replacing
filters. Always wait for temperature to cool down, and follow
specified procedures when performing these operations. Failure
to do so can result in death or serious injury.
When pressurized air and/or pressurized water is used for
cleaning, wear protective clothing, protective shoes, and eye
protection. Eye protection includes goggles or a protective face
shield.
Pressure can be trapped in a hydraulic system and must be
relieved before maintenance is started.
Releasing trapped pressure can cause sudden machine
movement or attachment movement. Use caution if you
disconnect hydraulic lines or fittings.
FG018457
Figure 1
8. DX380LC-5Track Excavator Maintenance Safety
1-1-8
High-pressure oil that is released can cause a hose to whip or oil
to spray. Fluid penetration can result in death or serious injury. If
fluid enters skin or eyes, get immediate medical attention from a
physician familiar with this injury.
Obey all local laws and regulations for disposal of liquids.
To prevent hot coolant from spraying out, stop engine and wait
for coolant to cool. Using gloves, slowly loosen cap to relieve
pressure.
Flying or Falling Objects
On work sites where there is a potential hazard that flying or
falling objects can hit operator's cabin, select and use a guard to
match operating conditions for additional operator protection.
Working in mines, tunnels, deep pits, and loose or wet surfaces,
could produce hazard of falling rocks or flying objects. Additional
protection for operator's cabin could be required such as an
Operator Protection Guard (OPG) or window guards. Contact
your DOOSAN distributor for information on available protective
guards.
To prevent personnel from being struck by flying objects, keep
personnel out of work area.
HAOA110L
Figure 2
HAOA100L
Figure 3
10. DX380LC-5Engine
4-1-30
Tightening Torques for Engines
IMPORTANT
Tightening torques for threaded joints in engines.
If the tightening torque is not available in the table for each
engine, refer to the special and normal tightening torques
tables.
Engine Assembly
Cylinder Block
• Piston cooling nozzle: 23 N.m
Main Bearing Cap
NOTE: The screws can only be reused 3 times. Mark the
screws each time before fitting.
• Torx screw (M19): 110 N.m + 90°
• Hexagon screw (M19): 110 N.m + 90°
Connecting Rod Cap
NOTE: The screws can only be reused 3 times. Mark the
screws each time before fitting.
1 2 3 4
EX1301810
EX1301811
1 2 3 4
EX1301810
11. Engine
4-1-31
DX380LC-5
• Torx screw: 50 N.m + 90°
• Check torque: 170 N.m
Flywheel Housing
• Lead-in union: 40 N.m ±6
Cylinder Head and Valve Package
Cylinder Head
NOTE: The screws can only be reused 3 times. Mark the
screws each time before fitting.
Cylinder head bolt, tightened in four stages
• First stage: 60 N.m
• Second stage: 150 N.m
• Third stage: 250 N.m
• Fourth stage: 90°
EX1302070
1 2 3 4
EX1301810
1
2
3
4
5
6
FG020253
22. DX380LC-5Engine
4-1-42
Alternator 100A
• Pulley nut (M17): 139 N.m
• Connection B+
: 12.5 N.m
Hydraulic Pump
Pump gear
Tightening to be carried out in two stages.
• 1 Stage: 70 N.m
Wait a short while.
• 2 Stage: 110 N.m
NOTE: After the second tightening, check that the nut has
rotated between 20° and 110°.
Belt Transmission
• Belt tensioner: 50 N.m
• Fan coupling, double nut (M14): 165 N.m
AC Compressor
Turnbuckle lock nuts: 200 ±10 N.m
EX1301870
23. Engine
4-1-43
DX380LC-5
Compressor
Compressor gear: 90 N.m + 60°
Disengageable Compressor
Gear wheel screw
Tightening to be carried out in 2 stages
• 1 Stage: 10 N.m ±1 N.m
• 2 Stage: 90° ±10°
Flange nut
Tightening to be carried out in 2 stages
• 1 Stage: 45 N.m ±5 N.m
• 2 Stage: 90° ±10°
Cylinder head screw (M8)
Tightening to be carried out in 3 stages
• 1 Stage: 20 N.m ±2 N.m
• 2 Stage: 90° ±10°/-5°
• 3 Stage: 90° ±10°/-5°
Cylinder head screw (M6)
Tightening to be carried out in 2 stages
• 1 Stage: 7 N.m ±2 N.m
• 2 Stage: 90° ±10°/-5°
Coolant pipe: 30 Nm
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26. Engine
4-1-45
DX380LC-5
EGR System
Water Pipe
• Hose clamps: 6.5 N.m
• Retaining strap for EGR cooler, screw (M6): 8 N.m
• Coolant pipe to actuator: 30 N.m
• Banjo screw, bleed pipe at the control cylinder
(M12 x 1.5): 30 N.m
27. DX380LC-5Engine
4-1-46
Tightening Torques for Exhaust Gas Aftertreatment
Tightening Torque
IMPORTANT
Tightening torques for threaded joints in the system for
exhaust gas aftertreatment.
If the tightening torque is not in the table use the tightening
torque for normal tightening torques.
Sensor
• NOx sensor: 50 N.m
• Exhaust temperature sensor: 38 N.m
Attachment, Trucks
• Attachment, screw (M10): 59 N.m