This is a Genuine OEM replacement part used on a variety of Riding Mowers and Lawn Tractors. This is the Shaft fits in the Jackshaft Housing and spins the Blade. This is a Metal Shaft which is sold individually. If the mower cutting grass uneven or stepped your shaft may be bent and should be replaced to avoid further damage to the unit.
Remove drive belt then remove the deck from the mower. Take the guards off, then the blade then the jack shaft housing and shaft. Install new one , don\'t forget to grease it an the others too.. Put all back together an your done.
Removed deck from mower.
Removed flange nut from top of pulley.
Removed pulley and spacer from jackshaft
Removed old mower blades..
Removed bolts holding mandrel housing and pulley guards.
Bolted on new mandrel housing.
Inserted new jackshaft and replaced pulley and spacer.
Greased new bearing in
... Read moremandrel housing.
Replaced mower blades and tightened all nuts and bolts.
Placed deck back onto mower.
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Noisy when blades were engaged. Excessive vibration from deck when engaged
Tony from Kathleen, Georgia
6 of 6 peoplefound this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Socket set, Wrench (Adjustable), Wrench set
Removed the mower deck from mower. The mandrel spindles simply unfolded from deck with help of impact wrench. Replaced in that order. Replaced pulleys. Be careful not to lose the spacer bushing for the idler pulley! The new mandrel spindle bolt holes were not threaded. But the weight that came out of them were tapered fine threaded bolts
... Read morethat will simply thread themselves into the aluminum mandrel spindles. I highly recommend going to a special you faster shop to replace all the bolts that go into the mandrel spindles. It was worth the extra $12!
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Lawn tractor mower deck needed spindles replaced and new belts.
1. Removed mower deck from tractor.
2. Removed belt guards from deck and removed belts.
3. Removed old blades.
4. Removed all necessary brackets and pulleys to access spindles.
5. Removed all three spindles.
6. Cleaned mower deck, bead blasted rust from deck, primered and painted deck.
7. Installed ne
... Read morew parts in spindles and installed spindles in mower deck, lubed spindles with synthetic grease through grease zerts on spindles.
8. Reattached all brackets and installed new blades.
9. Reinstalled pulleys and new belts.
10. Reinstalled belt guards and reconnected mower deck to lawn tractor.
11. Adjusted and leveled mower deck to factory specs.
Remove the deck from the mower
Remove the the upper jack shaft nut and pulley
Unbolted old broken hub(jackshaft housing) & blade
I replaced bolts hub (jackshaft)& (shaft)spindle
Reinstalled blade & belt
Note: The jackshaft housing is not threaded but the bolts are self tapping
Mower has two blade
... Read mores, so I used other side as reference
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Jack-shilf bearings & shaft wore out, the blades were bad, all new parts purchased fit great.
I used my 2 ton engine lift to raise the lawn tractor mower front end high enough to do the repair job easily. 3 of 5 screws attaching jack-shaft to housing broke. Could not remove the spacer from old main shaft to replace with new shaft. Hardware store for new screws, I had metal tubing on hand to make a new spacer. This old machine i
... Read mores working again.
Thanks, for having all the parts I needed.
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Jackshaft bearings came apart, wrecking the other parts used in the repair.
Removed pulley, wrecked jackshaft housing, splined shaft, spacer, and blade adapter.
Cleaned all deck surfaces.
Reassembled jackshaft housing, splined shaft, spacer and blade adapter.
Installed the assembly on the mower deck, using original mounting bolts.
Installed pulley on top of assembly, and blade below the de
... Read moreck.
Threaded the belt through all the pulleys, making sure the tension was good.
Started up, and began mowing.
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Both blade shafts were bent and bearings needed replacing.
1. Removed the cutting deck from the mower.
2. Used an impact wrench to dis-assemble and remove the components.
3. Replaced the upper pulleys, the spindle shafts, the shaft housings (mandrills) and the cutting blades.
4. Reassembled the components.
5. Replaced the cutting deck.
had to remove the mower deck to replace the shaft and reinstall deck
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Stock Status
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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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.
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_WW_6.gif "Part Location Diagram of 94129MA Murray Shaft Splined")
