This document provides maintenance and repair information for the Doosan K1009096AE Shop Manual. It contains safety precautions and outlines procedures for repairing and replacing components of the DX420LC track excavator's main hydraulic pump. The summary includes exploded diagrams of the pump, descriptions of available seal kits and sub-assemblies, and step-by-step instructions for tasks like replacing shaft seals, disassembling the control housing, and removing the pump's control module.
5 Warning Signs Your BMW's Intelligent Battery Sensor Needs AttentionBertini's German Motors
IBS monitors and manages your BMW’s battery performance. If it malfunctions, you will have to deal with an array of electrical issues in your vehicle. Recognize warning signs like dimming headlights, frequent battery replacements, and electrical malfunctions to address potential IBS issues promptly.
In this presentation, we have discussed a very important feature of BMW X5 cars… the Comfort Access. Things that can significantly limit its functionality. And things that you can try to restore the functionality of such a convenient feature of your vehicle.
Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
Things to remember while upgrading the brakes of your carjennifermiller8137
Upgrading the brakes of your car? Keep these things in mind before doing so. Additionally, start using an OBD 2 GPS tracker so that you never miss a vehicle maintenance appointment. On top of this, a car GPS tracker will also let you master good driving habits that will let you increase the operational life of your car’s brakes.
Symptoms like intermittent starting and key recognition errors signal potential problems with your Mercedes’ EIS. Use diagnostic steps like error code checks and spare key tests. Professional diagnosis and solutions like EIS replacement ensure safe driving. Consult a qualified technician for accurate diagnosis and repair.
What Does the PARKTRONIC Inoperative, See Owner's Manual Message Mean for You...Autohaus Service and Sales
Learn what "PARKTRONIC Inoperative, See Owner's Manual" means for your Mercedes-Benz. This message indicates a malfunction in the parking assistance system, potentially due to sensor issues or electrical faults. Prompt attention is crucial to ensure safety and functionality. Follow steps outlined for diagnosis and repair in the owner's manual.
Why Is Your BMW X3 Hood Not Responding To Release CommandsDart Auto
Experiencing difficulty opening your BMW X3's hood? This guide explores potential issues like mechanical obstruction, hood release mechanism failure, electrical problems, and emergency release malfunctions. Troubleshooting tips include basic checks, clearing obstructions, applying pressure, and using the emergency release.
What Exactly Is The Common Rail Direct Injection System & How Does It WorkMotor Cars International
Learn about Common Rail Direct Injection (CRDi) - the revolutionary technology that has made diesel engines more efficient. Explore its workings, advantages like enhanced fuel efficiency and increased power output, along with drawbacks such as complexity and higher initial cost. Compare CRDi with traditional diesel engines and discover why it's the preferred choice for modern engines.
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.
Core technology of Hyundai Motor Group's EV platform 'E-GMP'Hyundai Motor Group
What’s the force behind Hyundai Motor Group's EV performance and quality?
Maximized driving performance and quick charging time through high-density battery pack and fast charging technology and applicable to various vehicle types!
Discover more about Hyundai Motor Group’s EV platform ‘E-GMP’!
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.:
1. Agricultural : Supporting Primary and Secondary Agriculture
• 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.
Sign up on https://profilesmes.online/welcome/
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.
Fleet management these days is next to impossible without connected vehicle solutions. Why? Well, fleet trackers and accompanying connected vehicle management solutions tend to offer quite a few hard-to-ignore benefits to fleet managers and businesses alike. Let’s check them out!
"Trans Failsafe Prog" on your BMW X5 indicates potential transmission issues requiring immediate action. This safety feature activates in response to abnormalities like low fluid levels, leaks, faulty sensors, electrical or mechanical failures, and overheating.
What Causes 'Trans Failsafe Prog' to Trigger in BMW X5
Daewoo doosan dx420 lc excavator service repair manual (serial number 5327 and up)
1. K1009096AE Shop Manual
Copyright 2008 Doosan
Doosan reserves the right to improve our products in a continuing process to provide the best possible
product to the market place. These improvements can be implemented at any time with no obligation to
change materials on previously sold products. It is recommended that consumers periodically contact their
distributors for recent documentation on purchased equipment.
This documentation may include attachments and optional equipment that is not available in your
machine's package. Please call your distributor for additional items that you may require.
Illustrations used throughout this manual are used only as a representation of the actual piece of
equipment, and may vary from the actual item.
Shop Manual
K1009096AE
Serial Number 5327 and Up
DX420LC
2. Table of Contents
Page I
1Table of Contents
Safety
Track Excavator Safety......................................................................... SP000907
Specifications
Specification for DX420LC.................................................................... SP001755
General Maintenance
General Maintenance Procedures........................................................ SP000016
Standard Torques................................................................................. SP000813
Upper Structure
Cabin .................................................................................................... SP001737
Counterweight....................................................................................... SP001756
Fuel Tank.............................................................................................. SP001757
Fuel Transfer Pump (Opt)..................................................................... SP000021
Swing Bearing....................................................................................... SP001856
Swing Reduction Gear.......................................................................... SP001740
Lower Structure and Chassis
Track Assembly .................................................................................... SP000263
Engine and Drive Train
Drive Coupling (Main Pump)................................................................. SP000026
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment ............... SP001758
Accumulator.......................................................................................... SP000028
Center Joint (Swivel)............................................................................. SP000181
Cylinders............................................................................................... SP000030
3. Table of Contents
Page II
Swing Motor.......................................................................................... SP000261
Travel Motor (With Gearbox) ................................................................ SP000266
Main Pump............................................................................................ SP000186
Gear Pump (Fan Cooling Drive) ........................................................... SP000208
Main Control Valve ............................................................................... SP000187
Remote Control Valve (Work Lever / Joystick)..................................... SP000189
Travel Control Valve (With Damper)..................................................... SP001743
Fan Motor (Vane Type)......................................................................... SP000209
Fan Cooling Flow In-Out Change Valve ............................................... SP000207
Solenoid Valve Assembly ..................................................................... SP001622
Breaker EPPR Valve (Opt) ................................................................... SP000192
Hydraulic Schematic (DX420LC).......................................................... SP001769
Electrical System
Electrical System .................................................................................. SP001759
Electrical Schematic DX420LC............................................................. SP001857
Attachments
Boom and Arm...................................................................................... SP001851
Bucket................................................................................................... SP001852
4. SP000186
Page 5
Main Pump
SAFETY PRECAUTIONS
APPLICABLE MODELS
The contents of this section apply to the following models and
serial number ranges.
CAUTION!
Follow all safety recommendations and safe shop practices
outlined in the front of this manual or those contained
within this section.
Always use tools and equipment that are in good working
order.
Use lifting and hoisting equipment capable of safely
handling load.
Remember, that ultimately safety is your own personal
responsibility.
MODEL SERIAL NUMBER RANGE
DX340LC 5980 and Up
DX350LC 5980 and Up
DX420LC 5327 and Up
DX480LC 5221 and Up
DX520LC 5117 and Up
7. SP000186Main Pump
Page 8
GENERAL REPAIR GUIDELINES
NOTE: Observe the following cautions when carrying
out repairs on hydraulic units.
1. Close off all openings of hydraulic unit.
2. Replace all seals.
Use only original spare parts
3. Check all sealing and sliding surfaces for wear.
NOTE: Rework of sliding surfaces using crocus cloth or
other similar materials, can damage the
surface.
ASS1140L
Figure 3
ASS0030L
Figure 4
ASS0040L
Figure 5
ASS0050L
Figure 6
8. SP000186
Page 9
Main Pump
4. Fill hydraulic unit with hydraulic oil before putting into
operation.
ASS0060L
Figure 7
9. SP000186Main Pump
Page 10
SEAL KITS AND SUB-
ASSEMBLIES
1. Seal kit for drive shaft.
2. Peripheral seal kit.
3. Rotary group 1, ready to install.
ASS0070L
Figure 8
ASS0080L
Figure 9
ASS0090L
Figure 10
10. SP000186
Page 11
Main Pump
4. Rotary group 2, ready to install.
5. Rotary group, hydraulic component (order rotary groups 1
and 2 separately).
NOTE: Adjustment is necessary. Pay attention to
direction of rotation.
6. Rotary group 1, mechanical section, ready to install.
7. Rotary group 2, mechanical section, ready to install.
ASS0100L
Figure 11
ASS0110L
Figure 12
ASS0120L
Figure 13
ASS0130L
Figure 14
12. SP000186
Page 13
Main Pump
11. Auxiliary drive.
12. Valve plate with valves.
13. Pipe, complete with fittings.
ASS0170L
Figure 18
ASS0180L
Figure 19
ASS0190L
Figure 20
13. SP000186Main Pump
Page 14
SEALING THE DRIVE SHAFT
1. Protect drive shaft. (e.g. with tape).
2. Remove retaining ring and shim.
ASS0200L
Figure 21
ASS0210L
Figure 22
ASS0220L
Figure 23
14. SP000186
Page 15
Main Pump
3. Screw sheet metal screw(s) into holes fitted with rubber.
Pull out seal with pliers.
4. Press in shaft seal ring and shim with bushing to stop.
NOTE: Take note of press-in depth. Install mark for
press-in depth of safety ring.
ASS0230L
Figure 24
ASS0240L
Figure 25
18. SP000186
Page 19
Main Pump
1. Place pump into a disassembly / assembly device with a
crane and secure it into position.
2. Remove screws holding port plate.
3. Using a suitable lifting device, remove port plate.
NOTE: Mark installation position.
NOTE: Be careful, control lenses can fall out.
ASS0290L
Figure 30
ASS0300L
Figure 31
19. SP000186Main Pump
Page 20
4. Remove paper seal, and clean sealing surface.
ASS0310L
Figure 32
2
3
2
3
1
1 ASS0320L
Figure 33
Number Description
1 Setting Screw: Qmax
2 Setting Screw: Hydraulic Stroke Limitation
3 Setting Screw: Power Characteristic (Begin of Regulation)
20. SP000186
Page 21
Main Pump
NOTE: Before carrying out setting or disassembly of
regulator, measure distance "X" of adjustment
screw and record value.
X
ASS0330L
Figure 34
21. SP000186Main Pump
Page 22
CONTROL MODULE
Control Module LR
Remove and disassemble control module LR.
ASS0340L
Figure 35
* *
ASS0350L
Figure 36
22. Thank you very much for
your reading. Please Click
Here. Then Get COMPLETE
MANUAL. NO WAITING
NOTE:
If there is no response to
click on the link above,
please download the PDF
document first and then
click on it.