This genuine item is supplied directly from the original equipment manufacturer for use with lawn mowers made by Toro and Lawn Boy. The bevel gear goes between the washer-plain and the bushing-shaft and helps to rotate the pinion. When replacing this part it may require a screwdriver, pliers, and a wrench. This metal gear is available as an individual replacement part.
Removed back wheels, gears and axel.
Removed mower blade and belt.
Rebuilt transmission and repackaged with grease.
Reassembled and found an extra spacer. Eventually found it went in between the main engine shaft and the blade\'s shaft-bracket. If you leave this off then the engine won\'t turn due to clamping friction
... Read more of the bracket against the engine\'s bottom.
After reassembling with all new parts and testing, the left wheel gears still sounded bad (grinding). Read different website forums from 2010-now where some people fixed this design/tolerance issue by adding spacers between the left wheel mount and the mower body. I added those and the grinding went away.
Remove belt cover and cable and drive belt. Remove front wheels. Remove gear drives from each wheel by removing snap ring and washers. Remove height adjuster and wheel bearing. Remove belt pulley. Remove transmission cover and housing. Recommend careful inspection of bushing. Bearings and all hardware. Best to have a full tear down before
... Read more placing parts order. Will probably need bushing and bearings when replacing ring and pinion. Remove axle, place in a vice and drive out pin using a punch. Do the same for the pinion bearing and wheel bearing if replacing. Be sure to pack new bearing with grease. Reverse everything to reassemble. Be sure to grease the transmission. Each wheel gear is stamped with a L and R. Pay attention or you get the drive direction reversed and you\'ll be taking it apart again.
1. Remove the rear wheels to access the transmission.
2. Remove the blade and belt, cover.
3. Remove the belt.
4. Remove the transmission.
5. I then rebuilt the entire unit and replaced the belt.
6. Pay close attention when removing the wheels and the washers.
7. Replace all of the moving parts, (Gear b
... Read moreevel, Pinon gasket and maybe the bearing ball).
8. Replace the old grease in the unit.
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Drive gears worn out.
Roger from Milford, Michigan
0 of 1 peoplefound this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Nutdriver, Pliers, Screw drivers, Socket set, Wrench set
1.Got Toro manual for drive system on line.
2.Disassembled drive system by removing front axle and removing gears from gear box.
3.Ordered gears and gasket from ereplacementparts.
4.Reassembled, greased gear box and axle assembly. Works great.
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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(2006)_WW_12.gif "Part Location Diagram of 104-8671 Toro Gear-bevel, 37t")
(2006)_WW_12.gif "Part Location Diagram of 104-8671 Toro Gear-bevel, 37t")
