Caltric 52 inch Deck Blade Instruction Manual

1. Product Overview

This manual provides essential information for the installation and maintenance of Caltric 52 inch Deck Blades. This product includes a set of six (6) replacement deck blades, designed for specific Husqvarna lawn mower models. The part number for these blades is 574870801.

Regular inspection and replacement of mower blades are crucial for maintaining cutting performance and ensuring safety during operation.

Image: A single Caltric 52 inch deck blade, showing its design and finish.

Image: A top-down view of six Caltric 52 inch deck blades, as included in the package.

2. Product Specifications

The Caltric 52 inch Deck Blades are manufactured to precise dimensions to ensure optimal performance and compatibility.

• Part Number: 574870801
• Quantity: 6 blades per order
• Item Weight: Approximately 14 pounds (for the set)

Blade Dimensions:

Image: Detailed diagram of the Caltric 52 inch deck blade, illustrating its key dimensions.

• Length: 17 3/4 inches (450.8 mm)
• Width: 2.5 inches (63.5 mm)
• Thickness: 0.2 inches (5 mm)
• Center Hole Type: 5-Point Star
• Center Hole Width: 0.82 inches (21 mm)

3. Compatibility

These Caltric 52 inch Deck Blades are compatible with various Husqvarna lawn tractor models. It is essential to verify your mower's model number and existing blade specifications before installation to ensure proper fitment.

Compatible Husqvarna Models:

• GT52 XLS - (96043015901) (2013-08) - 52"
• GT52 XLS - (96043015902) (2015-04) - 52"
• GT52 XLS - (96043016000) (2012-11) - 52"
• GT52 XLS - (96043016001) (2013-09) - 52"
• GT52 XLS - (96043020601) (2015-09) - 52"
• GT52 XLS - (96043020700) (2014-10) - 52"
• GT52 XLS - (96043020701) (2015-09) - 52"
• GT52 XLS - (96048008600) (2014-11) - 52"
• GT52XLSI - (96043017800) (96048006600) (2013-11) - 52"
• GTH 27 V 52 LS (96043009100) (2010-04)
• GTH 27 V 52 LS (96043009101) (2010-03)
• GTH 27 V 52 LS (96043009900) (2009-12)
• GTH 2752 TF (96041017500) (2010-05)
• GTH24V52LS - (96043013500) (96043013600) (2011-08)
• GTH24V52LS - (96048003600) (2012-02)
• GTH24V52LS - (96048003601) (2012-08)
• GTH26V52LS - (96043011802) (2011-06)
• GTH3052 TDF - (96041028501) (2012-11)
• GTH3052 TDF - (96041028502) (2013-05)
• GTH3052 TDF - (96041028503) (2014-05)
• GTH3052TDF - (96041028500) (2012-04)
• GTH3052TF - (96041026500) (2011-06)
• GTH3052TF - (96041026501) (2012-01)
• GTH52XLS - (96045005700) (2015-08)
• GTH52XLS - (96048006900) (2013-09)
• TS 352 - (96041038800) (2015-04)

We strongly suggest comparing the posted picture and dimensions to the unit(s) that needs to be replaced to ensure correct fitment.

4. Safety Information

WARNING: Always exercise extreme caution when working with lawn mower blades. Blades are sharp and can cause severe injury.

• Disconnect Power: Before performing any maintenance or installation, always disconnect the spark plug wire(s) or remove the battery to prevent accidental starting of the engine.
• Wear Protective Gear: Always wear heavy-duty work gloves and safety glasses when handling blades.
• Stable Surface: Ensure the lawn mower is on a flat, stable surface and properly supported before lifting or tilting.
• Read Mower Manual: Refer to your lawn mower's owner's manual for specific safety instructions and procedures related to blade replacement.
• Proper Disposal: Dispose of old blades responsibly and safely.

5. Installation Instructions

Follow these general steps for replacing your lawn mower deck blades. Always consult your specific lawn mower's owner's manual for detailed instructions and torque specifications.

1. Prepare the Mower:
   • Ensure the engine is off and cool.
   • Disconnect the spark plug wire(s) or remove the battery to prevent accidental starting.
   • Engage the parking brake if applicable.
2. Access the Deck:
   • Carefully lift or tilt the mower to access the underside of the cutting deck. Use jack stands or sturdy blocks to secure the mower in a stable position.
3. Remove Old Blades:
   • Wearing heavy-duty gloves, use a wrench to loosen the blade retaining nut(s). You may need a block of wood to prevent the blade from turning while loosening the nut.
   • Remove the old blade(s) and any washers or spacers. Note their orientation for correct installation of the new blades.
4. Install New Blades:
   • Place the new Caltric blade onto the spindle, ensuring the cutting edge is facing the correct direction (usually upwards towards the deck). The 5-point star hole should align perfectly with the spindle.
   • Reinstall any washers or spacers in their original positions.
   • Hand-tighten the blade retaining nut(s).
5. Tighten Blades:
   • Using a torque wrench, tighten the blade retaining nut(s) to the manufacturer's specified torque. If torque specifications are unavailable, tighten securely. Over-tightening or under-tightening can cause damage or unsafe operation.
6. Final Steps:
   • Carefully lower the mower.
   • Reconnect the spark plug wire(s) or reinstall the battery.
   • Test the mower in a safe, clear area to ensure proper operation and cutting.

6. Maintenance

Proper maintenance of your mower blades ensures a clean cut and extends the life of your equipment.

• Regular Inspection: Inspect blades before each use for signs of wear, damage, or dullness. Replace blades if they are bent, cracked, or excessively worn.
• Cleaning: After each use, clean grass clippings and debris from the underside of the deck and blades. This prevents rust and maintains balance.
• Sharpening: While these are replacement blades, if you choose to sharpen them, ensure they are balanced after sharpening to prevent excessive vibration and damage to the mower. It is often more efficient and safer to replace worn blades with new ones.
• Storage: Store replacement blades in a dry place to prevent rust.

7. Troubleshooting

While blades are relatively simple components, issues can arise from improper installation or severe wear.

• Uneven Cut: If your mower is producing an uneven cut, check the following:
  • Ensure all blades are installed with the cutting edge facing the correct direction.
  • Verify that all blades are securely tightened.
  • Check for bent or damaged blades.
  • Ensure the mower deck is level.
• Excessive Vibration: If the mower vibrates excessively after blade replacement, it could indicate:
  • Improperly tightened blades.
  • Bent or damaged blades.
  • Unbalanced blades (if sharpened).

If troubleshooting steps do not resolve the issue, consult a qualified service technician or refer to your mower's owner's manual.

8. Warranty and Support

For information regarding warranty coverage or technical support for Caltric products, please refer to the official Caltric website or contact their customer service directly. Always provide the product part number (574870801) when seeking support.

For specific issues related to your Husqvarna lawn mower, please consult your Husqvarna dealer or their official support channels.