This item is an authentic replacement part that has been OEM sourced and is intended to be used with lawnmowers from Toro and Lawn Boy. The metal pinion is part of the transmission assembly. This item is driven by the pulley and is used to driver the transaxle gear. This item 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.
Removed plastic cover over self propel belt
Detached activation cable and removed drive belt from self propel gear box
Removed bolt holding left front wheel
Removed C clips holding left front drive gear to drive shaft, washers and gear. Note the direction that the gear is installed in, where C clips and washers are inst
... Read morealled and metal piece inserted into drive shaft.
Removed two bolts attaching left front gear drive plate to mower deck and slid off drive shaft
Removed four bolts holding cover on self propel drive gear box (after cleaning off grass etc.)
Removed self propel ring gear, drive shaft and gear box bushings from gear box
Put deep socket on pinion gear attachment nut inside gear box and wrench on bolt on other end of pinion shaft holding drive pulley on pinion, removed pinion bolt and removed pinion. Note location of washers and spacer
Removed worn left output shaft bushing
Lubricated output shaft with heavy automotive wheel bearing grease
Replaced pinion and left output shaft bushing
Installed self propel ring gear, bushings and drive shafts
Packed self propel gear box with heavy automotive wheel bearing grease
Installed gear box cover, drive plate and drive gear
Lubricated wheel bearing with spray grease and replaced wheel
Replaced
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.
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Self propel drive went out.
Kim from Cross Lanes, West Virginia
1 personfound this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Pliers, Screw drivers, Socket set, Wrench (Adjustable), Wrench set
1. Removed the blade.
2. Removed the drive cable from the transmission.
3. Removed the drive belt.
4. Removed the belt cover.
5. Removed the transmission.
6. Removed the drive pulley.
7. Removed the pinion gear.
8. Removed the pinion gear bearing.
9. Put the new parts in and reassembled the
... Read more unit. All fit perfectly.
1. Had to take rear wheels, and all shafts off wheels { watch half moon keys and springs under}. mark R/L sides. remove gear box
2 take gear box apart
2 a , Had to clean out old grease , clean up gear box
3 take pinion gear out{ can put socket on both ends to unscrew}
4 Didn\'t have to replace ring gear
5. pu
... Read moret grease in gear box , put gear box together
6 reinstall gear box.
7. taking gear box out of mower was hardest part, I watch u-tube 1st ,Kinda made it easier.
8
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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.
Removed front wheels then gear box
Disassembled the gear box and cleaned it
Replaced wheel shaft bushings and pinion shaft gear
Filled with gear box grease and reassembled and replaced on mower
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Model Cross Reference
This part works with the following models:
ERP Number: ERP9159341
Manufacturer Part Number: 92-5790
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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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
(2006)_WW_12.gif "Part Location Diagram of 92-5790 Toro Pinion")
(2006)_WW_12.gif "Part Location Diagram of 92-5790 Toro Pinion")
