1. Introduction
This service manual provides detailed instructions and procedures for the maintenance, troubleshooting, and repair of the Bobcat T190 Track Loader. It is an essential resource for technicians and owners performing service operations on the specified models.
This manual specifically covers Bobcat T190 Track Loader units with the following serial numbers:
- S/N 531611001 - 531659999
- S/N 531711001 - 531759999
Refer to your machine's serial number plate to ensure this manual is applicable to your specific Bobcat T190 model. Using the correct manual is crucial for accurate service and repair.
Figure 1: Example cover of the Bobcat T190 Workshop Repair Manual. This manual provides comprehensive service information.
2. Safety Information
Always prioritize safety when performing any service or repair on the Bobcat T190 Track Loader. Failure to follow safety precautions can result in serious injury or death. This section outlines general safety guidelines; always refer to specific warnings within each procedure.
2.1 General Safety Precautions
- Read the Manual: Thoroughly read and understand all instructions and warnings in this manual and the machine's Operation & Maintenance Manual before attempting any service.
- Personal Protective Equipment (PPE): Always wear appropriate PPE, including safety glasses, gloves, and protective footwear.
- Machine Stability: Ensure the machine is on a level, stable surface. Engage the parking brake and block the tracks to prevent movement.
- Hydraulic System: Relieve hydraulic pressure before disconnecting hydraulic lines or components. Hydraulic fluid under pressure can penetrate skin.
- Engine Off: Always turn off the engine and remove the key before performing any service, unless specifically instructed otherwise for a diagnostic procedure.
- Battery Disconnection: Disconnect the battery ground cable before working on electrical components to prevent accidental starting or electrical shock.
- Lifting and Supporting: Use approved lifting devices and stands to support the machine or components. Never work under an unsupported machine.
- Cleanliness: Keep the work area clean and free of debris. Clean components before disassembly to prevent contamination.
2.2 Warning Decals
Pay close attention to all warning and informational decals located on the Bobcat T190 machine. These decals provide critical safety information specific to various machine areas and operations.
3. Preparation for Service
Before commencing any repair or maintenance task, proper preparation of the machine and work environment is crucial for safety and efficiency.
3.1 Machine Positioning and Securing
- Park the Bobcat T190 on a firm, level surface.
- Lower the lift arms and attachment to the ground.
- Turn off the engine and remove the key.
- Engage the parking brake.
- Place blocks or chocks securely under the tracks to prevent any unintended movement.
3.2 Accessing Components
Depending on the repair, various panels or covers may need to be removed. Always follow the specific instructions for removal and reinstallation to avoid damage.
- Engine compartment access.
- Hydraulic system access.
- Electrical system access.
4. Maintenance Procedures
Regular maintenance is vital for the longevity and optimal performance of your Bobcat T190 Track Loader. This section details routine maintenance tasks and schedules.
4.1 Daily / Every 10 Hours Maintenance
- Check engine oil level.
- Inspect hydraulic fluid level.
- Check coolant level.
- Inspect air filter restriction indicator.
- Check track tension and condition.
- Inspect for leaks (fluid, fuel).
- Verify operation of lights, gauges, and safety systems.
4.2 Every 50 Hours / Weekly Maintenance
- Lubricate all grease points.
- Check battery electrolyte level and terminals.
- Inspect drive belts.
- Clean radiator and oil cooler fins.
4.3 Every 250 Hours / Monthly Maintenance
- Change engine oil and filter.
- Replace fuel filter.
- Inspect and clean air filter elements.
- Check and adjust track tension.
4.4 Every 500 Hours / 6 Months Maintenance
- Replace hydraulic filter.
- Inspect hydraulic hoses and lines.
- Check and adjust valve clearances.
4.5 Every 1000 Hours / Annually Maintenance
- Change hydraulic fluid.
- Replace hydraulic reservoir breather filter.
- Flush and replace engine coolant.
- Inspect and clean fuel tank screen.
5. Troubleshooting Guide
This section provides a guide to diagnose common issues that may arise with your Bobcat T190 Track Loader. For complex problems, consult a qualified Bobcat service technician.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine Fails to Start | Low battery charge, fuel system issue, starter motor fault, safety interlock engaged. | Check battery voltage, ensure fuel supply, inspect starter connections, verify safety interlocks (seat bar, parking brake). |
| Loss of Hydraulic Power | Low hydraulic fluid level, clogged hydraulic filter, faulty hydraulic pump, relief valve issue. | Check hydraulic fluid level, replace hydraulic filter, inspect pump for damage, test relief valve pressure. |
| Overheating Engine | Low coolant level, clogged radiator, faulty thermostat, damaged fan belt. | Check coolant level, clean radiator fins, test thermostat, inspect fan belt tension and condition. |
| Track Derailment | Incorrect track tension, worn track components, debris in tracks. | Adjust track tension, inspect idlers, rollers, and sprockets for wear, clear debris from tracks. |
6. Specifications
This section provides key specifications related to this service manual and the Bobcat T190 Track Loader.
- Manual Part Number: 6904146
- Applicable Model: Bobcat T190 Track Loader
- Manual Type: Service Manual
- Number of Pages: 896
- Binding Type: Loose Leaf
- Condition: Brand New (as supplied)
- Covered Serial Numbers: S/N 531611001 - 531659999, S/N 531711001 - 531759999
7. Warranty and Support
This service manual is provided as an informational resource. For specific warranty information regarding your Bobcat T190 Track Loader, please refer to the original purchase documentation or contact an authorized Bobcat dealer.
For technical support or assistance with complex repairs, it is recommended to contact an authorized Bobcat service center. They have specialized tools, training, and diagnostic equipment to ensure proper service.