A long case clock, commonly known as a grandfather clock, is a timeless piece of craftsmanship that adds elegance and heritage to any home. However, like all mechanical timepieces, long case clocks require regular maintenance and occasional repairs to keep them functioning accurately.
In this comprehensive guide, we will explore everything you need to know about long case clock repairs, from common issues to DIY fixes and professional restoration services.
1. Understanding Long Case Clocks: A Brief History
1.1. What is a Long Case Clock?
A long case clock is a weight-driven pendulum clock housed in a tall wooden case. These clocks were first developed in the 17th century and remain valuable heirlooms today.
1.2. Types of Long Case Clocks
- Grandfather Clocks: Typically over 6 feet tall with elaborate designs.
- Grandmother Clocks: Smaller versions, usually around 5 feet tall.
- Granddaughter Clocks: Even more compact, often around 4 feet in height.
2. Common Issues with Long Case Clocks
2.1. Clock Not Running or Stopping Frequently
- Cause: Dirt buildup in gears, incorrect pendulum positioning, or broken parts.
- Solution: Cleaning, lubrication, and resetting the pendulum.
2.2. Timekeeping Inaccuracy
- Cause: Pendulum length adjustment or excessive friction in the mechanism.
- Solution: Fine-tune the pendulum bob and ensure proper lubrication.
2.3. Chimes Not Working Properly
- Cause: Jammed hammers, incorrect weights, or worn-out strike mechanism.
- Solution: Adjust hammer positions and inspect chime rods.
3. Essential Tools for Long Case Clock Repairs
Before you begin any DIY clock repairs, ensure you have the following tools:
- Clock oil and cleaning solution
- Precision screwdrivers and tweezers
- Pendulum regulating tools
- Brass and steel polish for restoration
4. How to Clean and Maintain a Long Case Clock
4.1. Regular Dusting and Exterior Cleaning
Use a soft microfiber cloth to remove dust and apply wood polish for a glossy finish.
4.2. Lubricating the Mechanism
- Apply clock oil to the gear pivots and moving parts to prevent wear and tear.
- Avoid over-lubrication, which can attract dirt.
4.3. Checking and Adjusting the Weights
Ensure the weights are properly positioned to maintain accurate timekeeping and chime function.
5. Fixing a Stopped Long Case Clock
5.1. Checking the Pendulum
- If the clock stops suddenly, make sure the pendulum is swinging evenly.
- Adjust the pendulum bob to regulate timekeeping.
5.2. Verifying the Leveling of the Clock
- Uneven placement can cause the clock to stop.
- Use a level tool to ensure the case is properly aligned.
6. Adjusting the Timekeeping Accuracy
6.1. Lengthening or Shortening the Pendulum
- If the clock runs too fast, lengthen the pendulum.
- If it runs too slow, shorten the pendulum by adjusting the bob.
6.2. Fine-Tuning the Escapement Mechanism
Ensure the escapement wheel and pallet are clean and properly engaged to avoid skipping or inconsistent ticking.
7. Repairing the Chime Mechanism
7.1. Fixing Chime Rods and Hammers
- Check for misaligned hammers that are not striking the chime rods properly.
- Adjust hammer positions to ensure clear and melodious chimes.
7.2. Resolving a Silent Chime Issue
- Inspect worn-out or tangled cables in weight-driven chime systems.
- Ensure the chime activation levers are correctly positioned.
8. Restoring the Aesthetics of a Long Case Clock
8.1. Polishing the Brass and Metal Components
Use brass polish to restore the original shine to pendulums, weights, and dial faces.
8.2. Refinishing the Wooden Case
- Use furniture wax to enhance the natural wood grain.
- For deep scratches, consider wood filler and re-staining.
9. Preventing Common Long Case Clock Problems
9.1. Avoiding Overwinding
- Only wind the clock until you feel resistance, to prevent damaging the gears.
9.2. Protecting Against Humidity and Temperature Changes
- Keep the clock in a stable environment to prevent wood warping and metal expansion.
10. When to Seek Professional Help for Clock Repairs
10.1. Identifying Complex Repairs
If your clock has missing parts, extensive damage, or requires wheel replacement, professional restoration is recommended.
10.2. Choosing a Qualified Clock Repair Specialist
- Look for a certified horologist with experience in antique clock restoration.
- Ensure they offer warranties on repairs.
11. Cost of Long Case Clock Repairs
11.1. Estimated Costs for Common Repairs
- Basic cleaning and lubrication: $100–$300
- Pendulum and chime adjustments: $200–$400
- Full restoration: $500–$1,500+
11.2. Factors Affecting Repair Costs
- Age and condition of the clock
- Availability of replacement parts
- Complexity of internal mechanisms
12. Where to Find Replacement Parts for Long Case Clocks
12.1. Online Suppliers
- Websites like Timesavers, Merritt’s Antiques, and Ronell Clock Co. offer authentic replacement parts.
12.2. Local Antique Clock Repair Shops
- Specialized clock shops often carry vintage and reproduction parts for long case clocks.
FAQs About Long Case Clock Repairs
Q1: How often should a long case clock be serviced?
It’s recommended to service a long case clock every 5 to 10 years to maintain its accuracy and longevity.
Q2: Why does my grandfather clock keep stopping?
The most common reasons are incorrect leveling, dust accumulation in the movement, or improper weight distribution.
Q3: Can I repair my long case clock myself?
Basic maintenance like cleaning, lubrication, and pendulum adjustments can be done at home, but complex repairs should be handled by a professional.
Q4: How do I move a long case clock without damaging it?
Always remove the pendulum and weights before transporting the clock to prevent internal damage.
Q5: Where can I find an expert to repair my long case clock?
Look for certified clockmakers through organizations like the National Association of Watch & Clock Collectors (NAWCC).
Final Thoughts on Long Case Clock Repairs
Proper maintenance and timely repairs will ensure your long case clock remains functional and beautiful for generations. Whether you choose DIY fixes or professional restoration, preserving these timeless heirlooms is well worth the effort.
By following these expert repair techniques, you can keep your grandfather clock ticking accurately for years to come.
