Graco 120236 Screw Shoulder

Graco 120236 Screw Shoulder — Product Overview

The Graco 120236 Screw Shoulder is a precision-engineered shoulder screw designed to secure components in Graco spray equipment with exact alignment and stability. Its durable construction ensures reliable performance under high-pressure and high-stress conditions.

Compatible Machines

• Graco GH 130 — secures internal assemblies and pump modules
• Graco GH 200 — maintains alignment of pistons and valve assemblies
• Graco GH 230 — ensures stable fastening in high-pressure spray systems
• Graco GH 300 — supports reliable component retention in pumps and motors

Key Features & Benefits

• Precision alignment: Shoulder design ensures accurate positioning of pump, valve, and motor components
• Durable material: Heat-treated steel resists wear and corrosion in demanding industrial environments
• OEM fit: Built to Graco specifications for exact replacement and performance
• Reliable fastening: Maintains tight, secure connections under vibration and high pressure
• Easy maintenance: Simple to install or remove without affecting surrounding components

Applications

The 120236 Shoulder Screw is used in Graco airless sprayers to secure pump modules, valve assemblies, and internal drive components, providing precise alignment and preventing axial or lateral movement during operation.

Installation & Maintenance Guidelines

• Ensure the equipment is powered off and depressurized before installation or removal.
• Align shoulder correctly with mating surfaces to avoid misalignment or damage.
• Do not overtighten; follow Graco’s torque specifications to prevent stripping threads or deforming components.
• Periodically inspect screws for wear, corrosion, or loosening and replace if necessary.

Frequently Asked Questions