Graco LD Series Electronic Dispense Meter User Manual

Introduction

The Graco LD Series Electronic Dispense Meter is engineered for precise and efficient fluid dispensing in light-duty applications. This meter is ideal for motor oil, gear lube, and antifreeze, supporting pressures up to 1,000 psi. Its design focuses on accuracy, durability, and user comfort, making it suitable for small service shops, fast lubes, and low-volume industrial settings.

• Dispenses in gallons, quarts, pints, and liters for versatile use.
• Features an easy-to-read LCD display with durable switches for extended operational life.
• Constructed from rugged engineered material, providing superior impact resistance and long-term reliability.
• Ergonomically designed handle ensures optimum comfort during prolonged use.
• Designed for indoor use, accommodating standard flow rates up to 5 GPM.

Safety Information

Always observe the following safety precautions to prevent injury or damage to the equipment:

• Read and understand all instructions before operating the meter.
• Wear appropriate personal protective equipment (PPE), including safety glasses and gloves, when handling fluids.
• Ensure the meter is rated for the fluid and pressure being dispensed. Do not exceed the maximum operating pressure of 1,000 psi.
• Do not use the meter with flammable liquids or in explosive atmospheres unless specifically rated for such use.
• Regularly inspect the meter, hose, and connections for wear, damage, or leaks. Replace damaged components immediately.
• Keep children and unauthorized personnel away from the dispensing area.
• Dispose of waste fluids and materials according to local environmental regulations.

Product Overview

Figure 1: Graco LD Series Electronic Dispense Meter with flexible extension. This image shows the meter's main body with the LCD display and control buttons, the ergonomic handle, and the flexible hose extension leading to the dispense nozzle. The Graco logo is visible on the handle and the meter body.

The Graco LD Series Electronic Dispense Meter consists of several key components designed for accurate and controlled fluid dispensing:

• Meter Body: Houses the electronic components, LCD display, and control buttons.
• LCD Display: Provides real-time dispense volume readings and unit indications.
• Control Buttons: Used for setting presets, changing units, and resetting the display.
• Ergonomic Handle: Designed for comfortable grip and operation.
• Trigger Guard: Protects the dispense trigger from accidental activation.
• Flexible Extension: Allows for easy access to various fill points.
• Automatic Shut-off Nozzle: Ensures precise dispensing and prevents overfilling.
• Battery Compartment: Located within the handle, for power supply.

Setup

Follow these steps to set up your Graco LD Series Electronic Dispense Meter:

1. Unpacking: Carefully remove the meter from its packaging. Inspect for any shipping damage. Report any damage to your supplier immediately.
2. Battery Installation:
   • Locate the battery compartment, typically at the base of the handle.
   • Open the compartment cover.
   • Insert the required batteries (e.g., AA or AAA, refer to the meter's label if unsure) ensuring correct polarity.
   • Close the battery compartment securely. The LCD display should illuminate.
3. Connecting to Fluid System:
   • Ensure the fluid supply system (pump, hose, etc.) is clean and free of debris.
   • Connect the 1/2 inch NPT (f) swivel inlet of the meter to your fluid supply hose. Use appropriate thread sealant and tighten securely to prevent leaks.
   • Verify all connections are tight before pressurizing the system.
4. Initial Check: Briefly open the fluid supply to purge any air from the system and check for leaks. Close the supply once fluid flows smoothly.

Operating Instructions

The Graco LD Series meter offers precise control over fluid dispensing. Familiarize yourself with the display and buttons before operation.

Display and Button Functions

• LCD Display: Shows the current dispense volume, total accumulated volume, and selected unit of measure.
• UNIT Button: Press to cycle through available units (Gallons, Quarts, Pints, Liters).
• RESET Button: Press to clear the current dispense volume to zero before a new dispense cycle.
• PRESET Button: Used to set a desired volume for automatic shut-off.

Dispensing Fluid (Manual Mode)

1. Ensure the fluid supply is open and pressurized.
2. Point the nozzle into the receiving container.
3. Press the RESET button to clear the display to zero.
4. Squeeze the dispense trigger to begin fluid flow. The LCD will show the dispensed volume in real-time.
5. Release the dispense trigger to stop the flow. The meter will automatically shut off.
6. The total accumulated volume can be viewed by pressing a specific button (refer to meter's specific button layout if available, otherwise assume it's always visible or accessible via a mode button).

Dispensing Fluid (Preset Mode)

1. Ensure the fluid supply is open and pressurized.
2. Press the PRESET button. The display will show the current preset value or allow you to enter a new one.
3. Use the appropriate buttons (e.g., UP/DOWN or numerical entry) to set the desired dispense volume. Confirm the setting.
4. Point the nozzle into the receiving container.
5. Squeeze the dispense trigger. The meter will begin dispensing and automatically shut off once the preset volume is reached.
6. If you need to stop dispensing before the preset is reached, release the trigger. The meter will stop, and the dispensed volume will be displayed.

Maintenance

Proper maintenance ensures the longevity and accuracy of your Graco LD Series Electronic Dispense Meter.

• Cleaning: Wipe the exterior of the meter with a clean, damp cloth. Do not immerse the meter in liquids. Avoid using harsh chemicals or solvents that could damage the display or housing.
• Battery Replacement: When the display becomes dim or erratic, replace the batteries. Follow the battery installation steps outlined in the Setup section. Dispose of old batteries responsibly.
• Storage: Store the meter in a clean, dry environment when not in use. Protect it from extreme temperatures and direct sunlight.
• Inspection: Periodically inspect the hose, nozzle, and connections for signs of wear, cracks, or leaks. Replace any worn or damaged parts immediately.
• Calibration: While the meter is factory calibrated, if you suspect accuracy issues, consult a qualified service technician for recalibration.

Troubleshooting

This section addresses common issues you might encounter with your dispense meter.

Specifications

Warranty and Support

Graco products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your product or visit the official Graco website. For technical support, parts, or service, please contact Graco customer service or an authorized Graco distributor.

You can find additional resources and contact information on the Graco Store on Amazon or through the official Graco website.