How Often Should the Running Belt Be Lubricated on a NordicTrack Commercial 1750?
The walking belt is arguably the most service-intensive part of any treadmill, and the NordicTrack Commercial 1750 is no exception. Regular lubrication directly prevents premature wear on the belt, deck, and drive motor, keeping the machine running smoothly for years. For the Commercial 1750, the general recommendation is to lubricate the belt every three months or after every 40 hours of use, whichever comes first. This schedule should be shortened to every 30 hours if you use the incline feature heavily or run at high speeds (above 8 mph/12.8 km/h) frequently.
Ignoring this maintenance step can lead to belt slippage, increased friction noise, and eventual deck scoring. A well‑lubricated belt also reduces the load on the motor, which helps prevent overheating—a common factor in many error codes. For a deeper look at common issues, visit our guide on NordicTrack Commercial 1750 Common Error Codes and How to Fix Them.
What Type of Lubricant is Safe for the NordicTrack Commercial 1750?
Only 100% silicone lubricant without any additives, oils, or PTFE (Teflon) is safe for the NordicTrack Commercial 1750. Many generic lubricants contain petroleum distillates or surfacants that can degrade the belt material or leave a sticky residue that accelerates wear. The ideal lubricant is a food‑grade or medical‑grade 100% silicone spray or liquid.
Lubricant comparison table:
| Lubricant Type | Safe for Commercial 1750 | Effectiveness | Risk Level |
|---|---|---|---|
| 100% silicone spray (no additives) | Yes | Excellent – reduces friction by 80‑90% | Low |
| Silicone with PTFE/Teflon | No | Moderate – may leave residue after 3‑6 months | Medium-high |
| Petroleum‑based grease | No | Poor – attracts dust, degrades belt | Very high |
| Mineral oil | No | Poor – evaporates quickly, can damage electronics | High |
| Graphite powder | No | Moderate – conductive, risk of static discharge | High |
Look for products like “Super Lube 100% Silicone” or “Tri‑Flow 100% Silicone.” Avoid any lubricant marketed as “multi‑purpose” or “all‑in‑one,” as these typically contain solvents. The wrong lubricant can void your warranty, so stick with the manufacturer’s specification.
How to Properly Lubricate the Belt on a NordicTrack Commercial 1750
The process is straightforward when done correctly. Follow these steps:
- Step 1 – Power down and unplug the treadmill completely. Let it cool for at least 30 minutes if used recently.
- Step 2 – Locate the lubrication access point on the NordicTrack Commercial 1750. Most models have a small rubber plug on the deck near the front roller, or you can reach between the belt and deck from the underside.
- Step 3 – Clean the belt and deck with a dry, lint‑free cloth to remove dust and debris. Do not use water or any cleaner.
- Step 4 – Apply the lubricant in a thin, even line across the full width of the belt, about 2 inches from the center. Use 4‑6 small squirts (about 5‑8 ml total).
- Step 5 – Run the treadmill at 2–3 mph (3‑5 km/h) without anyone on it for 2‑3 minutes to distribute the lubricant evenly.
- Step 6 – Wipe off any excess that may have migrated to the rear roller or under the deck.
If the belt feels sticky after lubrication, you likely applied too much or used the wrong product. Excess lubricant can also cause the belt to drift sideways. If you notice misalignment after lubing, see our guide on NordicTrack Commercial 1750: How to Fix a Misaligned Running Belt.
Signs the Belt Needs Immediate Lubrication
Do not wait for a scheduled interval if you observe these symptoms:
– A loud squeaking or chirping noise during use.
– Feeling increased friction or drag underfoot.
– The belt stops suddenly when you step off, rather than coasting briefly.
– The motor seems to struggle, especially on inclines.
– The belt feels hot to the touch after 15 minutes of use (use a non‑contact infrared thermometer; deck temp above 40°C / 104°F indicates dry operation).
Running a dry belt for even a few miles can cause permanent damage. In severe cases, the belt can bind and create error codes such as “E‑1” (motor short circuit) or “Motor Failure.” Addressing lubrication early prevents these. For a comprehensive list of all warning signs, refer to our article on NordicTrack Commercial 1750 Common Error Codes and How to Fix Them.
Can You Over‑Lubricate the NordicTrack Commercial 1750 Belt?
Yes, over‑lubrication is a common mistake. Applying more than 10 ml of silicone per session will create a slick surface that causes the belt to slip on the front roller, reducing traction and potentially throwing off the alignment. Excess lubricant can also drip onto the motor, electronics, or the floor, creating a slip hazard. If you over‑lubricated, follow these steps:
- Unplug the treadmill and allow the excess to sit for 10 minutes.
- Use a clean, dry cloth to dab and wipe the belt and deck surfaces thoroughly.
- Run the treadmill at 1 mph for 5 minutes with no person to evaporate some of the excess, then wipe again.
- Check for belt alignment—if the belt has drifted, re‑center it by adjusting the rear roller bolts. See NordicTrack Commercial 1750: How to Fix a Misaligned Running Belt for detailed instructions.
In most cases, the belt will self‑correct after one or two runs. If the slipping persists after 24 hours, you may need to replace the belt or deck altogether—though this is rare with proper lubrication habits.
What Owners Say About Belt Lubrication on the Commercial 1750
Experienced owners on forums and reviews consistently praise the durability of the NordicTrack Commercial 1750’s belt system but offer strong warnings about lubricant quality. “I used a generic silicone spray from the hardware store and within two months the belt felt gummy. Switched to 100% silicone and it’s been perfect for over a year,” says user “RunnerJake” on a treadmill maintenance thread. Another owner notes: “The factory lubrication on mine lasted about 100 miles. After that, I religiously lube every 40 hours—no squeaks or issues.” Many owners also suggest marking a calendar or setting a phone reminder, as the 40‑hour interval is easy to forget. A common complaint is that the user manual does not explicitly mention the lubricant type, leading some to buy the wrong product. Overall, the consensus is that the treadmill itself is robust, but lubrication discipline is critical for long‑term reliability.
Frequently Asked Questions
Q1: Can I use WD‑40 on the NordicTrack Commercial 1750 belt?
No. WD‑40 is not a lubricant; it is a solvent and water displacer. It will strip existing lubricant, damage the belt rubber, and can cause the motor brushes to fail. Only use 100% silicone lubricant.
Q2: What is the correct lubricant amount for the Commercial 1750?
Two to four small squirts (approximately 5–8 ml total) applied in a thin line across the belt width. Do not soak the belt. More than 10 ml per session is considered over‑lubrication.
Q3: How long does a quart of silicone lubricant last on the Commercial 1750?
A standard 240 ml (8 oz) bottle of 100% silicone lubricant used properly will last 30–40 lubrication sessions, which is roughly 2–3 years for average users (assuming 40‑hour intervals).
Q4: Can I lubricate the belt without removing the motor cover?
Yes. On the NordicTrack Commercial 1750, you can access the deck from the side or front of the belt without removing the motor cover. However, if you need to clean the deck thoroughly, you may need to loosen the belt at the rear rollers. Always unplug the unit first.
Q5: Will a lack of lubrication cause error codes?
Yes, a dry belt increases motor current draw, which can trigger error codes like “E‑2” (overload) or “Motor Stall.” The console may show a warning message. If you see such codes, inspect the belt for dryness before calling support. See NordicTrack Commercial 1750 Common Error Codes and How to Fix Them for a full code list.
Q6: Does using the NordicTrack Commercial 1750 incline feature affect lubrication frequency?
Yes. Running on an incline increases friction between the belt and deck, accelerating lubricant breakdown. If you regularly use incline settings above 8%, lubricate every 30 hours instead of 40.
