The Precor Resolute™ Strength Selectorized Line Diverging Lat Pulldown RSL 314 is a piece of fitness equipment designed for strengthening the latissimus dorsi muscles through a diverging pulldown motion. This assembly guide provides detailed instructions for setting up, using, and maintaining the equipment.
Function Description:
The RSL 314 is a selectorized strength machine, meaning it uses a weight stack and a pin to select the desired resistance level. The "diverging" aspect of the lat pulldown indicates that the handles move outward and downward during the exercise, mimicking a more natural and effective range of motion for the lats. This design aims to provide a more comprehensive muscle contraction and improved user experience compared to traditional converging or fixed-path pulldown machines. The machine features adjustable components such as the seat and thigh pads to accommodate users of various body types, ensuring proper form and comfort during workouts. The gas spring mechanism facilitates easy seat height adjustments. The inclusion of a roller adjustment tool allows for precise customization of roller clearance, further enhancing user comfort and stability.
Important Technical Specifications:
The assembly process for the RSL 314 typically takes about 90 minutes for an experienced assembler, with more time recommended for first-time users. The equipment requires a solid, flat surface for stable operation and should be located at least 40 inches (1 meter) away from walls, furniture, or other objects on all sides. Precor strongly recommends that all strength equipment be bolted to the flooring at all anchoring points for maximum stability and safety.
Key fasteners and their torque specifications are crucial for safe operation:
- M12 fasteners should be tightened to a torque of 55 ft-lb (75 N-m).
- M10 screws for the guide rods should be tightened to 32 ft-lb (43 N-m).
- Cable locking bolt against the select stem requires a torque of 50 ft-lb (81 N-m).
- Shroud crown M10 x 40 mm SHCS fasteners have a recommended torque of 25 ft-lb (34 N-m).
The cable system is designed with specific requirements:
- The distance from the underside of the jam nut to the top of the washer should not exceed 1.61 inches (41 mm).
- At least six turns of the threads on the cable bolt must extend into the add-on weight selector stem.
The weight stack includes 23 individual 10 lb (4.5 kg) weight plates, along with a 5 lb (2.2 kg) add-on weight and a 3-inch add-on weight spacer, allowing for fine-tuned resistance adjustments.
Usage Features:
The RSL 314 is designed for user-friendliness and adaptability:
- Adjustable Seat and Thigh Pads: The seat assembly and thigh adjustment bar allow users to customize their position for optimal comfort and biomechanics. The thigh adjustment bar connects to the main frame and features thigh bars pointing upwards, with a bracket that slides around the frame for secure positioning.
- Roller Adjustment: A preinstalled roller adjustment tool (part of the seat assembly) allows users to fine-tune the roller clearance. This ensures that the rollers just contact the plastic ratchet plate, providing stability without excessive pressure.
- Weight Selection: The selectorized weight stack allows for quick and easy changes in resistance by inserting a pin into the desired weight plate. The add-on weight handle and additional weight plates provide incremental resistance options.
- Cable Routing: The cable system is routed around multiple pulleys, including lower and upper pulleys on the weight stack tower, to provide a smooth and consistent resistance profile throughout the exercise. Proper cable routing and tension are critical for the machine's functionality and safety.
- Ergonomic Design: The diverging arm movement is intended to provide a more natural and effective path of motion for the lat muscles, enhancing the quality of the workout.
Maintenance Features:
Regular maintenance is essential to ensure the longevity and safe operation of the RSL 314:
- Lubrication: The guide rods and chrome pad adjustment tubes should be lubricated with a Teflon-based lubricant, such as Tri-Flow Superior Lubricant. Any excess lubricant should be wiped away with a clean cloth or tissue.
- Fastener Checks: All fasteners, including M12 and M10 screws, and the cable retention nut, must be regularly checked and tightened to their specified torque values. This prevents loosening during use and maintains structural integrity.
- Cable Inspection: Cables should be inspected to ensure they sit fully in cams (if applicable) and pulleys, move smoothly without rubbing, and are free from wear or damage. Cable retainers should be properly in place.
- Adjustment Pin Verification: For all movable arm and pad frames, the adjustment pin should fully engage and insert freely into each position. This ensures secure positioning during exercise.
- Weight Stack and Selector Pin Check: The selector pin should be easily inserted into each weight plate. The top weight should separate from the second weight when the cable is properly tensioned, and the add-on weight should engage when the latch is in the down position.
- Shroud Installation: The shrouds, which cover the internal mechanisms, should be installed after verifying that all cable connections are correct, cables move smoothly, and all fasteners are tightened. The shrouds protect components and enhance the aesthetic appeal of the machine.
- Anchoring: Precor recommends that the equipment be bolted down at all anchoring points to the flooring. The oblong feet on the frame have rubber caps with slits to allow access to anchor points. Consulting a licensed contractor for proper bolting techniques and fastener types is advised due to varying floor materials.
The RSL 314 is designed for durability and performance, with a focus on user safety and effective muscle targeting. Adhering to the assembly and maintenance guidelines is crucial for maximizing the equipment's lifespan and ensuring a safe workout environment.
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