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Graco 15G558 3400 HLS Black Cover

The Graco 15G558 Cover (3400 HLS Black) offers durable protection for the 3400 High-Load Series sprayers, keeping internal components safe from debris, impact, and corrosion.

  • Fits: Graco 3400 HLS (High-Load Series)
  • Material: Heavy-duty composite construction
  • Finish: Black protective coating for durability
  • Feature: Easy to remove for maintenance and service

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Graco 15G558 Cover – 3400 HLS Black

The Graco 15G558 Cover – 3400 HLS Black is an OEM-quality protective shell designed specifically for the 3400 series high-load spray systems configured in HLS (High-Load Series) versions. This cover blends durable construction with precise fitment to safeguard internal pump components, electrical systems and hydraulic modules under heavy industrial usage.

Key Features & Specifications

Model Fit Designed to fit the 3400 series HLS (High-Load Series) machines with black finish variant, ensuring factory-accurate mounting and alignment.
Material & Finish Constructed from rugged, job-site rated materials with a black textured finish for corrosion resistance, wear protection and professional appearance.
Protection Role Shields main pump block, motor housing, control modules and hoses from overspray, debris, UV exposure and incidental job-site impacts.
Serviceability Engineered for quick removal and reinstallation to grant fast access to internal components during maintenance and repair, reducing downtime.
OEM Part Number 15G558 – ensures exact match to original equipment geometry, mounting points and finish.

Why Choose This Cover?

For contractors and industrial users running the 3400 HLS series, the correct cover is vital not just for aesthetics but for equipment longevity. The 15G558 cover provides the exact fit and protection specified by the manufacturer, helping preserve system alignment, protect critical components and maintain performance under rugged conditions. By choosing this OEM cover, you minimise the risk of improper fit, hidden damage and increased maintenance costs.

Installation & Maintenance Tips

  • Before installation, shut down and relieve all system pressure and disconnect power to ensure safety.
  • Clean the mounting surfaces, remove any old fasteners, coatings or debris to ensure the new cover seats correctly.
  • Align the cover to its original mounting points, install fasteners in the sequence recommended by the manufacturer and torque to specification to avoid distortion.
  • Inspect the cover regularly for cracks, fading, warping or loose fasteners; replace promptly if any structural weakness or damage is visible.
  • Keep the finish clean of overspray or buildup to maintain access for inspection, cooling passages and overall job-site readiness.

Frequently Asked Questions

This cover is designed specifically for the HLS (High-Load Series) version of the 3400 system. Other variants may differ in mounting hole locations, dimensions or internal clearance—verify your model before installing.

The black finish provides aesthetic consistency and protective coating against environment and job-site grime. The performance of the system is not inherently changed by the finish, though correct fit and sealing are essential.

Inspect the cover at every major service interval, or sooner if the machine has been in heavy duty or harsh environments. Replace if fasteners are loose, structural damage is visible or finish has significantly degraded—protecting the internal parts helps prolong overall system life.

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