Gainsborough Non-Locking Bisque Porcelain & Satin Nickel Door Knob Set - Model 88577 Instruction Manual

1. Introduction

This manual provides comprehensive instructions for the installation, operation, and maintenance of your Gainsborough Non-Locking Bisque Porcelain & Satin Nickel Door Knob Set, Model 88577. Please read these instructions carefully before installation and retain for future reference. This product is designed for interior passage doors where a locking mechanism is not required.

2. Product Overview

2.1 Components

• Two (2) Bisque Porcelain Knobs
• Two (2) Satin Nickel Rosettes
• One (1) Latch Mechanism
• One (1) Spindle
• Mounting Screws and Hardware

2.2 Features

• Non-Locking Design: Ideal for hallway, closet, or other interior doors not requiring a lock.
• Genuine Porcelain Knobs: Bisque (Off-White) finish for a classic aesthetic.
• Satin Nickel Rosettes: Provides a durable and tarnish-resistant finish.
• Corrosion Resistant: Engineered for longevity and consistent performance.
• Easy Installation: Designed for straightforward setup on compatible doors.

3. Setup and Installation

Before beginning installation, ensure you have the necessary tools: Phillips head screwdriver, measuring tape, and a pencil. This knob set is designed for interior doors with a thickness of 1 3/8 inches and a standard backset of 2 3/8 inches.

3.1 Pre-Installation Check

• Verify door thickness is 1 3/8 inches.
• Confirm the backset (distance from the door edge to the center of the bore hole) is 2 3/8 inches.
• Ensure all components listed in Section 2.1 are present.

3.2 Installation Steps

1. Install the Latch Mechanism: Insert the latch mechanism into the bore hole on the edge of the door. Secure it with the provided screws, ensuring the latch bolt faces the correct direction for door closure.
2. Assemble Knobs and Rosettes: Attach one rosette to each knob. Insert the spindle through the latch mechanism from one side of the door.
3. Mount the Knob Sets: Place one knob assembly onto the spindle on each side of the door, aligning the mounting holes.
4. Secure the Assembly: Insert the long mounting screws through the rosette on one side and thread them into the corresponding posts on the other side's rosette. Tighten screws evenly until the knob set is secure, but do not overtighten.
5. Test Operation: Turn both knobs to ensure the latch retracts smoothly and fully.

Figure 1: Disassembled components of the Gainsborough Non-Locking Door Knob Set, showing the bisque porcelain knob, satin nickel rosette, and the latch mechanism.

4. Operation

The Gainsborough Non-Locking Door Knob Set is designed for simple passage door functionality. To open the door, simply turn either knob. The latch bolt will retract, allowing the door to open. This knob set does not feature a locking mechanism and is intended for use on interior doors where privacy or security is not required.

5. Maintenance

Regular maintenance will help preserve the appearance and functionality of your door knob set.

• Cleaning: Clean the porcelain knobs and satin nickel rosettes with a soft, damp cloth. Avoid using abrasive cleaners, harsh chemicals, or polishing agents, as these can damage the finish.
• Tightening: Periodically check all mounting screws for tightness. If any screws are loose, gently tighten them with a Phillips head screwdriver. Do not overtighten.
• Lubrication: If the latch mechanism becomes stiff, apply a small amount of silicone-based lubricant to the moving parts of the latch bolt. Avoid oil-based lubricants, which can attract dust and debris.

6. Troubleshooting

If you encounter issues with your door knob set, refer to the following common problems and solutions:

• Knob is Loose:
  • Solution: The mounting screws may have loosened over time. Tighten the screws that connect the two rosettes through the door.
• Latch Does Not Retract Smoothly:
  • Solution: The latch mechanism may require lubrication. Apply a small amount of silicone-based lubricant to the moving parts of the latch bolt. Ensure no debris is obstructing the latch.
• Door Does Not Close Properly:
  • Solution: Check if the strike plate on the door frame is properly aligned with the latch bolt. Adjust the strike plate if necessary.

7. Specifications

8. Warranty Information

Specific warranty details for the Gainsborough Non-Locking Bisque Porcelain & Satin Nickel Door Knob Set, Model 88577, are not provided in the product information. For warranty inquiries, please contact the retailer from whom you purchased the product or the Gainsborough manufacturer directly.

9. Support

Should you require further assistance with the installation, operation, or maintenance of your Gainsborough door knob set, please refer to the following:

• Retailer Support: Contact the store or online vendor where you purchased the product.
• Manufacturer Support: Visit the official Gainsborough website for contact information and additional resources.