1. Product Overview and Application
This instruction manual provides essential information for the Unbrand DB58T DB58TIS Engine Overhaul Rebuild Kit. This kit is designed for comprehensive engine rebuilding, ensuring proper function and longevity of compatible machinery.
Application: This kit is specifically engineered for Doosan Daewoo DB58T DB58TIS Engines found in SOLAR 225LC, SOLAR 130, and DH220-5 Excavator models. Verify your engine and equipment model numbers for compatibility before installation.
2. Package Contents
The Unbrand DB58T DB58TIS Engine Overhaul Rebuild Kit includes the following components. Please inspect all items upon receipt to ensure completeness and absence of damage.
Image: A complete set of engine rebuild components, including cylinder liners, pistons, piston pins, pin clips, intake and exhaust valves, valve guides, valve seats, piston rings, crankshaft bearings, connect rod bearings, thrust washers, and a full gasket kit, laid out on a white background.
- 1 set Full Gasket Kit
- 6 pcs Cylinder Liners
- 6 pcs Pistons (STD size)
- 6 pcs Piston Pins
- 12 pcs Pin Clips
- 6 pcs Intake Valves
- 6 pcs Exhaust Valves
- 12 pcs Valve Guides
- 6 pcs Intake Valve Seats
- 6 pcs Exhaust Valve Seats
- 6 sets Piston Ring Sets (for 6 pistons, STD size)
- 1 set Crankshaft Bearings
- 1 set Connect Rod Bearings
- 1 set Thrust Washers
3. Installation Guidelines
Installation of this engine rebuild kit requires specialized knowledge, tools, and adherence to manufacturer specifications for the Doosan Daewoo DB58T DB58TIS engine. It is highly recommended that installation be performed by a certified mechanic or experienced professional.
- Preparation: Ensure the engine is clean and all old components are removed according to the engine service manual.
- Component Inspection: Before installation, carefully inspect each new component for any manufacturing defects or shipping damage.
- Lubrication: Apply appropriate engine assembly lubricant to all moving parts, such as piston skirts, cylinder walls, bearings, and valve stems, as specified by the engine manufacturer.
- Torque Specifications: Adhere strictly to the torque specifications provided in the official Doosan Daewoo DB58T DB58TIS engine service manual for all fasteners. Incorrect torque can lead to premature component failure.
- Gasket Installation: Install all gaskets from the full gasket kit according to the engine service manual, ensuring proper sealing surfaces and orientation.
- Timing: Ensure correct engine timing during reassembly, especially when installing valves and crankshaft components.
Refer to the official Doosan Daewoo DB58T DB58TIS engine service manual for detailed, step-by-step installation procedures, specific clearances, and torque values.
4. Post-Installation Procedures
After the engine rebuild is complete, follow these general guidelines:
- Fluid Levels: Refill all engine fluids (engine oil, coolant) to the manufacturer's recommended levels.
- Initial Start-up: Perform the initial engine start-up carefully, monitoring for any unusual noises, leaks, or warning lights.
- Break-in Period: Follow the engine manufacturer's recommended break-in procedure for newly rebuilt engines. This typically involves varying engine speeds and loads to properly seat new components.
- Inspection: After the break-in period, perform a thorough inspection for leaks, proper fluid levels, and overall engine performance.
5. Maintenance
Regular maintenance is crucial for the longevity and performance of your rebuilt engine. Adhere to the maintenance schedule outlined in your equipment's official service manual.
- Oil Changes: Perform oil and filter changes at recommended intervals using the specified oil type.
- Coolant System: Regularly check coolant levels and condition. Flush and replace coolant as per manufacturer guidelines.
- Air Filters: Inspect and replace air filters to ensure proper engine breathing and prevent contamination.
- Fuel System: Maintain the fuel system, including fuel filters, to prevent fuel contamination.
- Valve Clearances: Periodically check and adjust valve clearances if required by the engine manufacturer.
6. Troubleshooting Common Issues
This section provides general guidance for common issues that may arise after an engine rebuild. For specific diagnostic procedures, consult the official Doosan Daewoo DB58T DB58TIS engine service manual.
| Symptom | Possible Cause | Action |
|---|---|---|
| Engine Overheating | Low coolant level, faulty thermostat, clogged radiator, improper timing. | Check coolant, inspect cooling system, verify timing. |
| Excessive Smoke | Incorrect piston ring installation, valve seal issues, fuel system problems. | Verify ring gap and orientation, check valve seals, inspect fuel injectors. |
| Low Oil Pressure | Incorrect bearing clearances, faulty oil pump, low oil level. | Check oil level, verify bearing installation, inspect oil pump. |
| Unusual Engine Noises | Improperly torqued components, incorrect clearances, foreign objects. | Re-check all fasteners, verify clearances, investigate source of noise. |
7. Specifications
- Part Number: DB58T DB58TIS
- Application: Doosan Daewoo DB58T DB58TIS Engine
- Compatible Equipment: SOLAR 225LC, SOLAR 130, DH220-5 Excavators
- Piston Size: Standard (STD)
- Brand: Unbrand
- ASIN: B082TVPW5F
For detailed engine specifications, including bore, stroke, compression ratio, and specific component tolerances, refer to the official Doosan Daewoo DB58T DB58TIS engine service manual.
8. Warranty and Support
Information regarding warranty coverage for this Unbrand engine rebuild kit is typically provided by the seller at the time of purchase. Please retain your proof of purchase for any warranty claims.
For technical support or specific questions regarding component compatibility or installation, it is recommended to contact the seller or a qualified engine specialist. Always refer to the original equipment manufacturer's service manual for comprehensive engine repair and maintenance procedures.
