1. Introduction
This instruction manual provides essential information for the REPLACEMENTKITS.COM Brand Snow Blower Thrower Gearcase Axle & Input Shaft Seal Gasket Kit. This kit is designed to replace worn or damaged seals and gaskets in the gearcase of compatible snow blowers, ensuring proper function and preventing fluid leaks. Please read this manual thoroughly before attempting any installation or maintenance.
2. Safety Information
Your safety is paramount. Adhere to the following safety guidelines when working with snow blowers and replacement parts:
- Always unplug or turn off the snow blower before performing any maintenance or replacement work. Ensure the engine is cool if it is a gasoline-powered unit.
- Wear appropriate protective gear, including gloves and eye protection, when handling moving parts or working with tools.
- Be aware of the risk of carbon monoxide poisoning when operating gasoline-powered snow blowers and ensure proper ventilation if working indoors.
- Always refer to the snow blower manufacturer's instructions for specific safety guidelines and disassembly/assembly procedures.
- Keep children and pets away from the work area.
- Use only the correct tools for the job.
3. Product Overview
The REPLACEMENTKITS.COM Snow Blower Gearcase Axle & Input Shaft Seal Gasket Kit provides the necessary components to restore the sealing integrity of your snow blower's gearcase.
Image 3.1: Complete kit showing the gasket and three seals. This kit is designed to replace worn components in your snow blower's gearcase.
Image 3.2: A close-up view of the three oil seals included in the kit. These seals prevent lubricant leakage from the axle and input shaft.
Image 3.3: A detailed view of the gearcase gasket. This gasket ensures a tight seal between gearcase components.
Kit Contents:
- 3 Oil Seals: Two for the axle and one for the input shaft. These seals replace part numbers 9566MA, 9566, and 726077.
- 1 Gasket: For the gearcase. This gasket replaces part numbers 51279MA and 51279.
This kit is manufactured by an American-owned company, providing high-quality aftermarket parts.
4. Compatibility
This kit is compatible with several snow blower models from various brands. It is crucial to verify your specific model number before purchasing and installing. The kit replaces original part numbers 9566MA, 9566, 726077 (seals) and 51279MA, 51279 (gasket).
Compatible Brands and Models (Partial List):
Please note that this is a partial list. Always cross-reference with your snow blower's manual or manufacturer's specifications.
Craftsman:
- 107889650
- 536884822
- 536886540
- 536886180
- 536886110
- 536886161
- 536886120
- 536886122
- 536886121
- 536886531
- 536886150
- 536886530
- 536886160
- 536881651
- 536881550
- 536881851
- 536881850
- 536881951
- 536882500
- 536882502
- 536882501
- 536887996
- 536886440
- 536886260
- 536886190
- 536888400
- 536881950
- 536881650
- 536881750
- 536884791
- 536887993
- 536881800
- 536887995
- 536887992
- 536884781
- 536886140
- 536885410
- 536885470
- 536885400
- 536885473
- 536885420
- 536885471
- 536885472
- 536887250
- 536886261
- 536886141
- 536884790
- 536887251
- 536918101
- 536887990
- 536884780
- 536884821
- C950-52009-1
- C950-52415-0
- 1695557 - C950-52846-0
- 1695558 - C950-52847-0
- 622505x105A
- 624604x43B
- 1695382 - C950-52729-0
- 1695427 - C950-52721-0
- C950-52405-0
- C950-52419-0
- C950-52419-2
- C950-52429-0
- C950-52429-1
Murray:
- 1695361 - 6240810x54
- 1695362 - 6240810x61
- 1695372 - 6240900x43
- 1695425 - 6240900x196A
- 1695459
- 1695539
- 1695540
- 1695541
- 1695575
- 1695731
- 6240810x110 - 18-2827-88
- 6240810x85 - 18-2857-28
- 622505x0A
- 622505x0B
- 622505x4A
- 622505x4B
- 622518x31C
- 622518x31D
- 622518x31E
- 624501x85A
- 624501x85B
- 624504x43A
- 624504x4B
- 624504x4C
- 624504x4D
- 624504x5B
- 624504x5C
- 624505x4D
- 624505x54C
- 624505x54E
- 624505x54F
- 624505x85C
- 624505x85D
- 624508x61D
- 624508x61E
- 624509x4A
- 624515x54A
- 624518x31A
- 624555x110A
- 624555x54A
- 624555x61A
- 624555x85A
- 624604x0A
- 624604x0C
- 624604x43A
- 624604x89B
- 624808x4E
- 624808x4F
- 624808x4NA627808x31A
- 627808x5A
- 627808x5B
- 627808x5C
- 627850x0A
- 627850x0A
- 627850x0B
- 627852x85A
- 622515x31B
- 624505x54B
- 624505x54B
- 624505x85B
- 624508x4B
- 624508x61A
- 624515x4B
- 624604x89A
- 624605x61A
- 624504x16B
- 626750x16B
- 624554x16A
- 626750x16C
- 627855x110A SN927
- LP1695444 - 726E
- 624650x16A ST6524
- 624650x16B ST6524
- 626752x16A ST7526
- 626752x16B ST7526
- 624555x110B SN624
- 624555x85B
- 6271200x110 - 18-2830-88
- 6271200x113A - 18-2830-38
- 6271270x85 - 18-2856-28
- 1695506 - 18-2830-39
- 1695507 - 18-2856-29
Snapper:
- H924RX 1696008
- L824E
- SNL824R
- SNL924R
- 924I 1695313
- 924IE 1695314
- 924IR 1695411
- H924RX 1695513
- H824RX 1695851
Simplicity:
- 1695302 924I
- 1695311 924Ie
- 1695410 924Ir
- 1695515 H924Rx
- 1695839 I924E
- 1695840 H924Rx
- 1695984 I924E
- 1695993 H924Rx
- 1696206-00 0 - Sil824R
- 1696207-00 0 - Sil924R
- 1696207-01 1 - Sil924R
Sno Blizzard:
- 1695505 - 18-2830-29
- 1695750 - 18-2830-30
- 6271200x85 - 18-2830-28
- 627852x85B
5. Installation Guide
Replacing gearcase seals and gaskets requires mechanical aptitude and adherence to the snow blower's specific service manual. The following steps are general guidelines. Always consult your snow blower's official service manual for detailed, model-specific instructions and torque specifications.
Required Tools (Typical):
- Socket/Wrench Set
- Screwdrivers
- Pry Tool (non-marring)
- Seal Puller (optional, but recommended)
- Clean Rags
- Gear Oil (specified by your snow blower manufacturer)
- Gasket Scraper
- Degreaser/Cleaner
General Installation Steps:
- Preparation:
- Ensure the snow blower is turned off, spark plug wire disconnected (for gas models), and cool.
- Position the snow blower on a stable, level surface.
- Drain any existing gear oil from the gearcase into an appropriate container.
- Disassembly:
- Carefully remove components obstructing access to the gearcase, such as wheels, axles, or covers, as per your snow blower's service manual.
- Unbolt and carefully separate the gearcase halves or covers. Note the orientation of all parts.
- Gently pry out the old axle and input shaft seals. A seal puller can be very helpful.
- Remove the old gearcase gasket.
- Cleaning:
- Thoroughly clean all mating surfaces where the new gasket will sit. Remove all traces of old gasket material and sealant using a gasket scraper.
- Clean the seal bores and shafts. Ensure surfaces are free of debris, rust, or burrs that could damage the new seals.
- Use a degreaser to remove any oil residue.
- Installation of New Parts:
- Lightly lubricate the lips of the new oil seals with clean gear oil before installation.
- Carefully press the new seals into their respective bores. Ensure they are seated squarely and fully. Avoid damaging the seal lips.
- Place the new gasket onto one of the clean gearcase mating surfaces. Ensure all bolt holes align.
- Carefully reassemble the gearcase halves or covers, ensuring the gasket remains properly seated.
- Reassembly & Refill:
- Reinstall all bolts, tightening them to the torque specifications provided in your snow blower's service manual. Tighten in a crisscross pattern to ensure even pressure.
- Reinstall any removed components (axles, wheels, covers).
- Refill the gearcase with the correct type and amount of gear oil as specified by your snow blower manufacturer. Do not overfill.
- Testing:
- Reconnect the spark plug wire.
- Start the snow blower and allow it to run for a short period.
- Visually inspect the gearcase area for any signs of leaks around the new seals and gasket.
- If leaks are detected, turn off the snow blower immediately and re-evaluate the installation.
6. Maintenance
Once installed, the seals and gasket are designed for long-term performance. Regular maintenance of your snow blower will help prolong their life:
- Regular Inspection: Periodically inspect the gearcase area for any signs of oil leaks, especially before and after the snow season. Early detection of a leak can prevent more significant damage.
- Proper Lubrication: Ensure the gearcase always has the correct type and level of gear oil as specified by your snow blower manufacturer. Running with low or incorrect oil can lead to premature wear of internal components and seals.
- Cleanliness: Keep the exterior of the gearcase clean to easily spot any potential leaks.
7. Troubleshooting
If you encounter issues after installing the seal and gasket kit, consider the following common problems and solutions:
Problem: Oil Leak from Gearcase After Replacement
| Possible Cause | Solution |
|---|---|
| Improper Seal Installation: Seal not seated squarely, lip damaged during installation, or installed backward. | Carefully remove the seal. Inspect for damage. If damaged, replace with a new seal. Reinstall, ensuring it is square and the lip is not folded or damaged. Use a seal installation tool if available. |
| Damaged Gasket: Gasket pinched, torn, or not properly aligned during reassembly. | Disassemble the gearcase. Inspect the gasket. If damaged, replace it. Ensure mating surfaces are clean and the gasket is perfectly aligned before reassembling. |
| Uneven Torque on Bolts: Gearcase bolts not tightened evenly or to specification, leading to an uneven seal. | Loosen all gearcase bolts slightly, then retighten them evenly in a crisscross pattern to the manufacturer's specified torque. |
| Scratched or Damaged Shaft/Bore: The shaft or seal bore has nicks, burrs, or excessive wear. | Inspect the shaft and bore. Minor burrs can sometimes be carefully smoothed with fine-grit sandpaper. Significant damage may require professional repair or replacement of the gearcase component. |
| Incorrect Oil Level/Type: Overfilling the gearcase or using the wrong type of oil can create excessive pressure or degrade seals. | Verify the correct oil type and fill level according to your snow blower's manual. Drain excess oil if overfilled. |
If troubleshooting steps do not resolve the issue, it is recommended to consult a qualified service technician or the snow blower manufacturer's support.
8. Specifications
Key specifications for the REPLACEMENTKITS.COM Snow Blower Gearcase Axle & Input Shaft Seal Gasket Kit:
- Product Type: Snow Blower Gearcase Axle & Input Shaft Seal Gasket Kit
- Brand: REPLACEMENTKITS.COM
- Model Numbers Replaced: 9566MA & 51279MA
- Replaces Oil Seals: 9566MA, 9566, 726077
- Replaces Gasket: 51279MA, 51279
- Kit Contents: 3 Oil Seals (2 Axle, 1 Input Shaft), 1 Gasket
- Package Dimensions: 5.24 x 4.61 x 0.67 inches
- Item Weight: 1.44 ounces
- UPC: 850059403013
9. Warranty & Support
Warranty Information:
Specific warranty details for this REPLACEMENTKITS.COM product are not provided in the available information. For warranty inquiries, please contact REPLACEMENTKITS.COM directly or refer to their official website or product packaging for terms and conditions.
Customer Support:
For further assistance, technical support, or questions regarding this product, please visit the official REPLACEMENTKITS.COM store on Amazon or contact their customer service department.
REPLACEMENTKITS.COM Amazon Store: Visit Store