This document provides instructions for removing and installing various components on a 302.4D Mini Hydraulic Excavator, including the final drive, travel motor, swivel, swing motor, swing drive, and adjustable undercarriage ball valve. The procedures describe draining hydraulic oil, removing bolts and hoses, and lifting components out of the excavator. Installation is done in the reverse order of removal. Safety precautions are provided to prevent contamination of the hydraulic system.
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.
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.
What Are The Immediate Steps To Take When The VW Temperature Light Starts Fla...Import Motorworks
Learn how to respond when the red temperature light flashes in your VW with this presentation. From checking coolant levels to seeking professional help, follow these steps promptly to prevent engine damage and ensure safety on the road.
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!
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.
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.
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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.
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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.:
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.
The Octavia range embodies the design trend of the Škoda brand: a fusion of
aesthetics, safety and practicality. Whether you see the car as a whole or step
closer and explore its unique features, the Octavia range radiates with the
harmony of functionality and emotion
2. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 302.4D MINI HYD EXCAVATOR LJN
Configuration: 302.4D Mini Hydraulic Excavator LJN00001-UP (MACHINE)
Disassembly and Assembly
301.7D, 302.2D and 302.4D Mini Hydraulic Excavators Machine Systems
Media Number -UENR3254-01 Publication Date -01/05/2015 Date Updated -12/05/2015
i05221254
Final Drive and Travel Motor - Disassemble
SMCS - 4050-015; 4351-015
Disassembly Procedure
Start By:
A. Remove the final drive.
Illustration 1 g03337634
1. Remove sprocket (1).
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3. Illustration 2 g03337638
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
Illustration 3 g03337661
2. Remove plugs (2) and O-ring seals (6). Remove springs (5). Remove washers (4) and valve
spool (3).
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4. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 302.4D MINI HYD EXCAVATOR LJN
Configuration: 302.4D Mini Hydraulic Excavator LJN00001-UP (MACHINE)
Disassembly and Assembly
301.7D, 302.2D and 302.4D Mini Hydraulic Excavators Machine Systems
Media Number -UENR3254-01 Publication Date -01/05/2015 Date Updated -12/05/2015
i05221337
Final Drive and Travel Motor - Assemble
SMCS - 4050-016; 4351-016
Specifications
Illustration 1 g03176957
Table 1
Specification for 399-3043 Travel Motor Gp
Item Qty Part Specification Description
1 - -
Maximum displacement per revolution is
20.7 cc (1.3 cubic inch).
Maximum motor speed is 1250 rpm.
Assembly Procedure
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5. Illustration 2 g03337703
Illustration 3 g03337715
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
1. Install valve spool (3) and washers (4). Install springs (5). Install O-ring seals (6) onto plugs
(2) .
2. Install plugs (2) into the final drive motor.
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6. Illustration 4 g03337724
3. Install sprocket (1).
End By: Install the final drive and travel motor.
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7. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 302.4D MINI HYD EXCAVATOR LJN
Configuration: 302.4D Mini Hydraulic Excavator LJN00001-UP (MACHINE)
Disassembly and Assembly
301.7D, 302.2D and 302.4D Mini Hydraulic Excavators Machine Systems
Media Number -UENR3254-01 Publication Date -01/05/2015 Date Updated -12/05/2015
i05210988
Swivel - Remove and Install
SMCS - 5060-010
Specifications
Illustration 1 g03184037
Table 1
Specification for 394-5494 Swivel
Item Qty Part Specification Description
1 4 209-8296 Bolt
Before assembly, lubricate the threads.
Torque to
64 N·m (47 lb ft).
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8. Removal Procedure
Start By:
A. Remove Cab
NOTICE
Keep all parts clean from contaminants.
Contamination of the hydraulic system with foreign material will
reduce the service life of the hydraulic system components.
To prevent contaminants from entering the hydraulic system, always
plug or cap the lines, fittings, or hoses as they are disconnected. Cover
any disassembled components and clean them properly before
assembly.
Clean the hydraulic system properly after any major component
exchange or especially after a component failure, to remove any
contamination.
1. Drain Hydraulic Oil. Refer to Operation and Maintenance Manual, "Hydraulic System Oil -
Change"for the correct draining and filling procedure.
Illustration 2 g03335419
1. Remove floor plate (1) .
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9. Illustration 3 g03335436
Illustration 4 g03335437
2. Remove bolts (2) in order to relocate pedal assembly (3). Remove hose assemblies (4) and
relocate pedal assembly (3) out of the way.
Illustration 5 g03335442
3. Disconnect hose assemblies (5) from the top of swivel (6) .
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10. Illustration 6 g03335451
4. Disconnect hose assemblies (7) from the side of swivel (6) .
Illustration 7 g03335457
5. Remove remaining hose assemblies (8) .
Illustration 8 g03335462
1. Remove bolts (9) from the swivel base plate.
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11. 2. Remove swivel (6) .
Installation Procedure
1. Install swivel (6) in the reverse order of removal.
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12. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 302.4D MINI HYD EXCAVATOR LJN
Configuration: 302.4D Mini Hydraulic Excavator LJN00001-UP (MACHINE)
Disassembly and Assembly
301.7D, 302.2D and 302.4D Mini Hydraulic Excavators Machine Systems
Media Number -UENR3254-01 Publication Date -01/05/2015 Date Updated -12/05/2015
i05206404
Swing Motor and Swing Drive - Remove and Install
SMCS - 5058-010-ZW; 5459-010-ZW
Removal Procedure
Start By:
A. Remove cab.
1. Drain hydraulic oil. Refer to Operations and Maintenance Manual, "Hydraulic System Oil -
Change"for the correct draining and filling procedures.
Illustration 1 g03334376
2. Remove floor plate (1) .
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14. 5. Attach a suitable lifting device to swing motor and swing drive (4). Remove swing motor
and swing drive (4). The weight of swing motor and swing drive (4) is approximately 27 kg
(60 lb).
Installation Procedure
1. Install swing motor and swing drive (4) in the reverse order of removal.
2. Tighten bolts (3) to a torque of 108 N·m (80 lb ft)
Copyright 1993 - 2020 Caterpillar Inc.
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15. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 302.4D MINI HYD EXCAVATOR LJN
Configuration: 302.4D Mini Hydraulic Excavator LJN00001-UP (MACHINE)
Disassembly and Assembly
301.7D, 302.2D and 302.4D Mini Hydraulic Excavators Machine Systems
Media Number -UENR3254-01 Publication Date -01/05/2015 Date Updated -12/05/2015
i05212046
Ball Valve (Adjustable Undercarriage) - Remove and Install
SMCS - 5051-010
Removal Procedure
Start By:
A. Raise seat platform (trim)
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting, and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat products.
Dispose of all fluids according to local regulations and mandates.
1. Drain hydraulic oil. Refer to Operation and Maintenance Manual, "Hydraulic System Oil -
Change".
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16. Illustration 1 g03335508
2. Disconnect hose assemblies (1) from ball valve assembly (2) .
Illustration 2 g03335518
3. Remove handle (3). Remove bolts (4) and ball valve assembly (2).
Installation Procedure
1. Install ball valve assembly (2) in the reverse order of removal.
Copyright 1993 - 2020 Caterpillar Inc.
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17. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 302.4D MINI HYD EXCAVATOR LJN
Configuration: 302.4D Mini Hydraulic Excavator LJN00001-UP (MACHINE)
Disassembly and Assembly
301.7D, 302.2D and 302.4D Mini Hydraulic Excavators Machine Systems
Media Number -UENR3254-01 Publication Date -01/05/2015 Date Updated -12/05/2015
i05224914
Undercarriage Cylinder (Adjustable Gauge) - Remove and
Install
SMCS - 7562-010-UK
Specifications
Illustration 1 g03340100
Table 1
Specification for 395-1280 Hydraulic Cylinder Gp
Item Qty
Part Specification Description
1 1 -
Before assembly, apply Locktite 638 to the bearing
surfaces.
2 1 -
Tighten the head to
220 to 250 N·m (162 to 184 lb ft).
3 1 -
Tighten the nut to
290 to 340 N·m (214 to 251 lb ft).
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18. A 1 395-1254 Cylinder As Bore is
50 mm (2.0 inch).
B 1
395-1290 Piston Rod Diameter is
30 mm (1.2 inch).
C 2 Bushing
Bore after assembly is
36.08 to 36.18 mm (1.420 to 1.424 inch).
- - -
Stroke length is
320.0 ± 1.5 mm (12.60 ± 0.06 inch).
Removal Procedure
Start By:
A. Remove track.
B. Remove undercarriage frame (one side).
Cylinders equipped with lock valves can remain pressurized for very
long periods of time, even with the hoses removed.
Failure to relieve pressure before removing a lock valve or
disassembling a cylinder can result in personal injury or death.
Ensure all pressure is relieved before removing a lock valve or
disassembling a cylinder.
Illustration 2 g03338777
1. Remove bolts (1) from opposite side of undercarriage cylinder (2)
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21. Installation Procedure
1. Install undercarriage cylinder (2) in the reverse order of removal.
Copyright 1993 - 2020 Caterpillar Inc.
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22. Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 302.4D MINI HYD EXCAVATOR LJN
Configuration: 302.4D Mini Hydraulic Excavator LJN00001-UP (MACHINE)
Disassembly and Assembly
301.7D, 302.2D and 302.4D Mini Hydraulic Excavators Machine Systems
Media Number -UENR3254-01 Publication Date -01/05/2015 Date Updated -12/05/2015
i05204265
Undercarriage Frame (Adjustable Gauge) - Remove and
Install
SMCS - 7050-010-AE
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 189-0408 Shackle As 2
Illustration 1 g03334559
1. Remove bolts (1) and plate (2) .
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