Original TTI Industries spare part - GUARD CAP Part number: 5131049560

Original Spare Part - TTI Industries (Techtronic Industries) for Line Trimmer RY18LT23A-0

1. Component Identification

•     Manufacturer: TTI Industries / Ryobi Technologies
•     Component Description: Guard Cap / Protective Guard (Carter di Sicurezza)
•     Part Number (SKU): 5131049560
•     Status: OEM (Original Equipment Manufacturer) Factory Spare Part

2. Technical Description and Intended Use

The guard cap part no. 5131049560 is a passive safety structural component injection-molded from high-resistance engineering polymer (typically fiberglass-reinforced polyamide or high-impact ABS).

Its primary function is twofold:

•     Operator Safety: To intercept and prevent the projection of debris, chips, dust, or foreign bodies toward the user during power tool operation.
•     Machine Protection: To isolate moving mechanical parts (gears, drive shafts, or trimmer heads) from abrasive dust and accidental impacts against fixed obstacles.

3. Professional Installation and Replacement Instructions

MANDATORY SAFETY GUIDELINE: Before commencing any maintenance work, disconnect the power tool from the mains supply or completely remove the battery pack (ONE+ / Max Power system). Wear protective workshop gloves (EN 388).

Phase 1: Disassembly of the Damaged Component

•     Preliminary Cleaning: Remove any accumulation of dust, dirt, or debris around the fastening area of the old guard using compressed air or a soft-bristle brush.
•     Removing Fasteners: Locate the anchoring points. Depending on the specific tool model, loosen the retention screws (usually Torx or PH crosshead) or unclip the snap-fit retention tabs.
•     Removal: Slide off the worn/damaged guard cap, taking care not to damage the underlying metal or plastic housing.

Phase 2: Inspection and Preparation

•     Check the integrity of the mounting seat on the power tool housing.
•     Ensure that the threads of the original fastening screws are not stripped.

Phase 3: Mounting the New Guard Cap (Part No. 5131049560)

•     Positioning: Align the guides or holes of the new guard cap perfectly with the mounting points on the tool body.
•     Manual Threading: Insert the screws and start tightening them by hand to avoid cross-threading the plastic.
•     Final Tightening: Tighten the screws using the correct tool.

        Technical Note: Do not overtighten (recommended torque: 1.5 - 2.5 Nm) to prevent cracking the fastening holes in the engineering polymer of the new cap.

    Fitment Check: Visually verify that the guard cap is stable, exhibits no abnormal mechanical play, and does not rub against the rotating parts of the tool.

4. Periodic Maintenance and Wear Criteria

To ensure optimal safety standards, visually inspect the guard cap before each working session. The component must be replaced immediately if it shows:

•     Cracks, fissures, or structural fracture lines.
•     Evident thermal or plastic deformations.
•     Wear on the fastening holes that compromises its stability on the machine body.

5. Storage and Conservation of the Spare Part

•     Keep the component in its original TTI packaging until installation to protect it from direct UV rays and chemical agents (solvents, hydrocarbons) that could embrittle the polymer.
•     Recommended storage temperature: between +5°C and +40°C.

All product specifications in this catalog are based on information taken from official sources, including the official manufacturer’s RYOBI websites, which we consider as reliable. Unfortunately, even the official documents may contain mistakes and printing errors – we are not able to confirm that all of these data are precise and represent the facts. Most of the manufacturers reserve the right to change the product characteristics or complement without notice.We strongly recommend using the published information as a basic information subject to RYOBI brand review. Please refine the important parameters by the selling assistant when making a purchase. All content included in this catalog is the intellectual property of www.bricoutensili.com. Any publication or copying (full or partial) without a reference to the source page is prohibited.