Repairing blade retention dismantle - Garden

1. Disconnect the spark plug wire at the front of the mower, siphon any excess fuel from the gas tank and verify that the oil dipstick is securely fastened to avoid oil leakage.

2. Remove the screw located on the side of the mower deck, next to the right rear tire, then tilt the mower onto its side so the air filter is facing up.

3. Unfasten the blade retention bolt. The blade retention bolt is located in the center of the blade. Slide the blade off the mower.

4 Unfasten and remove the screws holding the engine baffle to the mower deck, then remove the baffle. The baffle is the circular piece located beneath the blade.

5. Remove the screw fastening the belt cover to the mower deck. Remove the spring between the belt cover and transmission pulley, then remove the belt cover to expose the belt.

6. Adjust the belt to the desired tension by manipulating the engine and transmission pulleys. If the belt has become slack due to age, you need to replace it. To remove it, slide it off the engine pulley first, then slide it off the transmission pulley.

7. Replace the removed items in reverse order.

Sounds like the shaft bearing has gone bad. If you can access or dismantle the blade shaft from the motor housing, (NOTE: unit must be unplugged first, ie NOT connected to any power supply) you can try to lubricate the shaft/bearing with a silicone grease. Odds are this will not solve your problem for long.
If it is an expensive unit, and you do not want to discard your investment, try finding a kitchen appliance repair centre for a more permanent solution.

Use a large pipe wrench, or in extreme situations, buy new retention rings and drill carefully through the old ones... Help Me Find My Model Number RepairClinic com

Use a safety pin (one of the larger, stout versions) to poke into the assembly and depress the retention bearing...

there are 2 methods of blade retention
1-- is a small screw in the side of the retainer that jams the blade in place
2--- the blade is held in place by a collet actio pull the blade shaft all the way back into the machine -- pull the retainer at the ed of the shaft back further up against the machine and the old blade will fall out -- put in the new blade and release the collet retainer

Do Ray:

I pull my machine up so the front tires are on a ramp. make sure the key is out of the ignition. Raise the deck to its top position (every little bit of room to work helps!) I think that the spindle nuts are 1 inch. lodge a two-by-four piece of wood between the tip of the blade that you are removing and the blade deck and remove the nut at the bottom of the blade (make sure you are turning your wrench in the correct direction!) It will take a two-grunt pull to loosen the nut. The blade should fall off when the nut is loosened. Make sure to not put the new blade on upside down! (Use the other two blades for reference). Repeat for the other two blades. Make sure that the blade retention nuts are Very Tight.

Check out the manual here
Hampton Bay Ceiling Fan Manuals
If you need repairs or replacement parts check out the article here
Hampton Bay Replacement Parts

There are diffrent blades for difrent makes ,Did you by the correct make e.g if its bosh by bosh blads .The slot might also be worn out if you used the wrong blade in it or the screw that holds it in is warn ,Hope this helps

The Fuse Box is directly under the steering. There are two retention pins with slot for flat blade srewdriver turn 1/4 turn panel hinges down to gain access to the fuses.