Introduction
This instruction manual provides essential information regarding the Briggs & Stratton Murray PTO Belt, part number 1734131SM. This genuine OEM replacement part is designed for specific Murray Zero-Turn (ZT) mowers with a 50-inch deck. Please read this manual carefully to ensure proper understanding of the product and its application. For detailed installation and maintenance procedures specific to your equipment, always refer to your mower's original service manual.
Product Overview
The 1734131SM PTO (Power Take-Off) belt is a critical component in your lawn mower's drive system, responsible for transferring power from the engine to the cutting deck. This is an authentic Briggs & Stratton replacement part, ensuring compatibility and performance designed to meet original equipment specifications.
Image 1: Briggs & Stratton Murray PTO Belt 1734131SM. This image displays the genuine replacement belt, typically made of durable rubber or synthetic materials, designed for power transmission in lawn mowers.
Compatibility
This PTO belt (part number 1734131SM) is compatible with various Murray ZTS7500 series zero-turn mowers, particularly those equipped with a 50-inch mower deck. Verify your equipment's model number against the list below to ensure proper fitment.
- 107.277900-2690641, ZTS7500, 24HP B&S with 50" Mower Deck (2007)
- 107.287900-7800339, ZTS7500, 26HP B&S with 50" Mower Deck (2008)
- 107.287910-7800340, ZTS7500, 26HP Kohler with 50" Mower Deck (2008)
- 107.607010-2690713, ZTS7500, 24HP B&S with 50" Mower Deck (2007)
- Note: Also compatible with 107.277880-2690640, ZTS7500, 20HP KOH with 44" Mower Deck (2007) - verify deck size for optimal performance.
Installation / Setup
Safety First: Before attempting any installation or maintenance, ensure the mower engine is off, the spark plug wire is disconnected, and the parking brake is engaged. Refer to your mower's owner's manual for specific safety precautions and detailed instructions.
- Preparation: Park the mower on a flat, stable surface. Allow the engine and any hot components to cool down.
- Access: Depending on your mower model, you may need to remove the cutting deck or other covers to access the PTO belt. Consult your mower's manual for exact steps.
- Removal of Old Belt: Carefully observe the routing of the old belt before removal. Take photos if necessary. Release any tensioners or idler pulleys to remove the worn belt.
- Installation of New Belt: Route the new 1734131SM PTO belt exactly as the old one was installed, ensuring it sits correctly in all pulley grooves. Apply tension as specified in your mower's manual.
- Verification: Double-check all connections and ensure the belt is properly seated and tensioned before reassembling any removed parts.
Important: Incorrect belt installation can lead to premature wear, poor performance, or damage to your equipment. If you are unsure, consult a qualified service technician.
Operating Considerations
After installing the new PTO belt, operate your mower cautiously for the first few uses. Listen for unusual noises and observe the cutting performance. A properly installed and tensioned belt will ensure efficient power transfer to the mower blades.
- Avoid engaging the PTO at high engine RPMs to reduce shock load on the belt.
- Ensure the cutting deck is free of obstructions before engaging the PTO.
- If the belt slips or squeals, disengage the PTO immediately and inspect for proper tension and alignment.
Maintenance
Regular inspection and maintenance of your PTO belt will extend its lifespan and ensure consistent mower performance.
- Inspection: Periodically inspect the belt for signs of wear, cracking, fraying, glazing, or stretching. Replace the belt if any significant damage is observed.
- Cleaning: Keep the belt and pulleys free from grass clippings, dirt, and debris. Accumulations can cause slippage and premature wear.
- Tension: Check belt tension regularly as specified in your mower's manual. Incorrect tension can lead to slippage or excessive stress on bearings.
- Storage: If storing the mower for an extended period, ensure the belt is clean and free from tension if possible, as per your mower's recommendations.
Troubleshooting
Below are common issues related to PTO belts and potential causes:
| Symptom | Possible Cause | Action |
|---|---|---|
| Belt Slipping | Incorrect tension, worn belt, glazed belt, debris on pulleys. | Adjust tension, replace belt, clean pulleys. |
| Excessive Noise (Squealing) | Loose belt, misaligned pulleys, worn bearings. | Adjust tension, check pulley alignment, inspect bearings. |
| Belt Breaking Prematurely | Over-tensioning, incorrect belt type, misaligned pulleys, foreign object damage. | Verify tension, ensure correct belt, check alignment, inspect for damage. |
| Blades Not Engaging | Broken belt, disengaged PTO clutch, electrical issue. | Inspect belt, check PTO clutch, consult mower manual for electrical troubleshooting. |
Specifications
- Part Number: 1734131SM
- Brand: Briggs & Stratton
- Material: Plastic (Note: Belts are typically rubber or synthetic. "Plastic" might be a general category from the source data.)
- Compatible Devices: Tractors (specifically Murray Zero-Turn Mowers with 50" decks)
- Item Weight: 0.2 Kilograms
- UPC: 024847581690
Warranty and Support
This Briggs & Stratton OEM replacement part is manufactured to high standards. For specific warranty information regarding this part, please refer to the official Briggs & Stratton warranty policy or contact their customer support directly. Generally, replacement parts may carry a limited warranty against defects in material and workmanship.
Return Policy: If purchased from a retailer, this product may be eligible for a refund or replacement within 30 days of purchase, subject to the retailer's specific return policy.
For technical assistance, parts inquiries, or warranty claims, please contact Briggs & Stratton customer service or visit their official website. Always have your mower's model and serial number, along with the belt part number (1734131SM), ready when seeking support.
