The GRACO 198612 SHIELD DISTANCE SENSOR is a replacement part designed for use in GRACO LineLazer™ airless line striping equipment. It is typically constructed from durable materials suitable for industrial environments and is intended to accurately detect and maintain the correct distance between the striping equipment and the surface being painted, ensuring consistent line quality.

Key Features:

• Distance sensor
• 198612
• GRACO LineLazer™ III and IV 3900, 5900 Airless Line Stripers
• Precision distance measurement
• Designed for easy replacement and maintenance
• Reliable performance in harsh environments

Applications:
Used in GRACO LineLazer™ airless line striping equipment for road, parking lot, and pavement marking applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Relieve pressure before installation or maintenance.
• Remove the wheel and dust cap to access the sensor.
• Adjust sensor assembly height using two 17 mm nuts so the bottom surface of the sensor is 0.638 ±0.020 inches from the bottom surface of the shield. Torque to 8 ±2 in-lb.
• Reassemble the sensor and wheel, ensuring proper alignment with the gear.
• Install the nut until tight, then back off 1/4 turn before replacing the dust cap.
• Follow manufacturer’s instructions for sensor height adjustment and gear alignment.
• Regularly inspect and clean the sensor for optimal performance.
• Use only genuine GRACO replacement parts.