1. Introduction
Welcome to the user manual for Chevron Rando HDZ ISO 15 Cold Weather Hydraulic Oil Fluid. This document provides essential information for the safe and effective use, storage, and disposal of this product. Adhering to these guidelines will ensure optimal performance and safety.

This image displays the standard packaging for the Chevron Rando HDZ ISO 15 Cold Weather Hydraulic Oil Fluid, a 5-gallon blue pail featuring the distinctive Chevron brand logo.
2. Safety Information
Always prioritize safety when handling industrial fluids. Read and understand all safety data sheets (SDS) before use.
- Personal Protective Equipment (PPE): Wear appropriate PPE, including safety glasses or goggles, chemical-resistant gloves, and protective clothing, to prevent skin and eye contact.
- Ventilation: Use in a well-ventilated area to avoid inhalation of vapors or mists. If adequate ventilation is not available, use respiratory protection.
- Spill Response: In case of a spill, contain the fluid immediately. Absorb with inert material (e.g., sand, vermiculite) and place in appropriate disposal containers. Do not allow product to enter sewers or waterways.
- First Aid:
- Eye Contact: Flush eyes with large amounts of water for at least 15 minutes. Seek medical attention if irritation persists.
- Skin Contact: Wash affected area thoroughly with soap and water. Remove contaminated clothing.
- Inhalation: Move to fresh air. If breathing is difficult, administer oxygen. Seek medical attention.
- Ingestion: Do NOT induce vomiting. Call a poison control center or physician immediately.
- Fire Hazards: This product is combustible. Keep away from open flames, sparks, and hot surfaces. Use foam, dry chemical, or carbon dioxide extinguishers.
3. Product Overview
Chevron Rando HDZ ISO 15 is a high-performance, anti-wear hydraulic oil specifically formulated for use in hydraulic systems operating in cold weather conditions. It provides excellent protection against wear, rust, and corrosion, while maintaining stable viscosity across a wide temperature range. This fluid is designed to ensure reliable operation and extended component life in demanding industrial and mobile hydraulic applications.
4. Setup and Preparation
- System Compatibility: Ensure that Chevron Rando HDZ ISO 15 is compatible with your hydraulic system's requirements and existing fluid. Consult your equipment manufacturer's manual for fluid specifications.
- Cleanliness: Before adding new fluid, ensure the hydraulic system is clean and free from contaminants. If changing fluid types, consider flushing the system according to manufacturer recommendations.
- Inspection: Inspect the pail for any signs of damage or tampering before opening.
- Opening the Pail: Carefully open the 5-gallon pail using appropriate tools to avoid spills.
5. Operating Instructions
- Filling the System: Slowly pour the hydraulic oil into the system's reservoir, using a clean funnel and filter to prevent contamination.
- Fluid Level: Fill to the recommended level indicated by the equipment manufacturer. Do not overfill.
- Bleeding Air: After filling, operate the hydraulic system slowly to bleed any trapped air from the lines and components. Check the fluid level again and top off if necessary.
- Monitoring: Regularly monitor the fluid level, color, and clarity. Any significant changes may indicate contamination or system issues.
- Temperature Range: This fluid is designed for cold weather. Ensure operating temperatures remain within the recommended range for optimal performance.
6. Maintenance and Storage
- Storage: Store the pail in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible materials. Keep the container tightly closed when not in use to prevent contamination.
- Contamination Prevention: Always use clean equipment and practices when handling hydraulic oil to prevent the introduction of dirt, water, or other contaminants into the system.
- Fluid Analysis: Consider periodic fluid analysis to monitor the condition of the oil and identify potential issues before they lead to equipment failure.
- Disposal: Dispose of used hydraulic oil and contaminated materials in accordance with all local, state, and federal regulations. Do not pour into drains or dispose of with household waste. Contact a licensed waste disposal contractor.
7. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| System sluggishness or slow operation | Low fluid level, air in system, incorrect viscosity, or contaminated fluid. | Check fluid level and top off. Bleed air from the system. Verify correct fluid type. Consider fluid replacement if contaminated. |
| Unusual noise (e.g., whining, cavitation) | Air in system, pump cavitation due to restricted inlet, or low fluid level. | Check fluid level. Inspect suction lines for blockages. Bleed air from the system. |
| Fluid discoloration or cloudiness | Water contamination, oxidation, or particulate contamination. | Identify source of contamination and rectify. Replace fluid and filter. Consider fluid analysis. |
| Excessive system temperature | Overloaded system, cooler malfunction, or incorrect fluid viscosity. | Check system load. Inspect and clean cooler. Ensure correct fluid viscosity for operating conditions. |
8. Specifications
| Attribute | Value |
|---|---|
| Brand | Chevron |
| Model Number | 273282448 |
| Material | Mineral, Synthetic |
| Package Information | Pail |
| Liquid Volume | 5 Gallons (640.0 Fluid Ounces) |
| Item Weight | 38 Pounds |
| Recommended Uses | Hydraulic Oil |
| Viscosity | ISO 150 (Note: Product title specifies ISO 15, but detailed specifications indicate ISO 150.) |
| Upper Temperature Rating | 220 Degrees Fahrenheit (104.4 Degrees Celsius) |
| Item Form | Oil |
| UPC | 023968394349 |
9. Warranty and Support
For specific warranty information or technical support regarding Chevron Rando HDZ ISO 15 Cold Weather Hydraulic Oil Fluid, please refer to the official Chevron website or contact Chevron customer service directly. Keep your purchase receipt and product details handy when seeking support.
You can find more information and contact details on the Chevron Store on Amazon.





