Question about Central Machinery 5-1/2 Horsepower Chipper Shredder

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I need to sharper the blades. How do I remove the fly wheel

I removed the bolt in front do I need a special pulley to get it off. And could I get it at a auto parts store.

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  • Tristan Martin
    Tristan Martin Mar 27, 2014

    No Go. Tech help at Harbor Freight had no idea on how get the blades out and they were looking at the manual. Does the key pin come out with the Blade Disk Bracket (manual ID for the flywheel that the blades mount to)

  • Brad Brown Mar 28, 2014

    The way that I see it, plate number 36 comes off and exposes the cutter. You can then access the bolt in the middle and remove that. Then you take the cutter out. If not the plate between the motor and the housing is removed and all the bolts that hold the motor to the frame are taken off, then the motor comes out in one piece and you can take the blades off.

  • Tristan Martin
    Tristan Martin Mar 28, 2014

    Thanks Brad but plate #36 is not the issue. #13 ,#6 and the engine can be removed AS one peice but then I'm stiil faced with getting #15 out to get to the blades. #15 are pins that look like they need to be knocked out. I called the 800# in the manule and they had no idea on how to remove the blades or the blade bracket #13. This is why Harbor Freight wanted to sell me blade sharping ins.utce

  • Tristan Martin
    Tristan Martin Mar 28, 2014

    I can't get #10(Key Pin ) out. Does this come out with#13 or must it be removed first?

  • Brad Brown Mar 28, 2014

    You are going to need a puller to get that whole assembly off the shaft to the engine. The key pin is a woodruff key that holds the blade assembly in place on the shaft. I see know that the blades function as "flails and they are loose on an axle. They go into chopping position due to centrifugal force from the rotation of the shaft. MY recommendation is to take the end cap bolt off, use a puller to removed the whole blade unit and then drive out the axles on the blades. If the plates that hold the axle pins are "set" with a punch and you have to drive them out, they may not hold the axles in again unless you set them with a punch. IF that is the case then you may need to replace them with bolts and lock washers with nuts or with locking nuts or with locktite. Make sure you get high tensile strength bolts though if you do that.



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The flywheel takes a puller, but you should not have to do that just to sharpen the blades.

Posted on Mar 24, 2014

Testimonial: "Thanks Brad but on my model(95964). It looks like the pic in the upper left corner if we are looking at same page.It looks like I would have to remove the engine with flywheel attached. It looks like it would squeeze through the back of hopper. (?)"

  • 1 more comment 
  • Brad Brown Mar 25, 2014

    Just for clarity the manual is here:

  • Brad Brown Mar 25, 2014

    Just for clarity the manual is here:

  • Brad Brown Mar 25, 2014

    But it appears that the blades are on the outside of the engine and there is a plate that you remove on the housing to get to a bolt that holds the blades to the crankshaft of the engine. The flywheel is on the same end as the pull rope so you should not have to remove it,



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1 Answer

How do you remove the crankshaft dumper pully?

Published: 11-May-2011
Engine - V8 4.4L Petrol - Crankshaft Pulley
In-vehicle Repair
Special Tool(s)

Holding Tool Crankshaft Pulley
Bolts and spacers
Remover, crankshaft pulley
Remover, crankshaft seal
Installer, crankshaft seal
Adapter - Crankshaft seal installer
303-1100-01 Removal
  1. Disconnect the battery ground cable.
    For additional information, refer to: Specifications (414-00 Battery and Charging System - General Information, Specifications).
  1. WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands. Raise and support the vehicle.
  1. Remove the accessory drive belt.
    For additional information, refer to: Accessory Drive Belt (303-05B Accessory Drive - V8 4.4L Petrol, Removal and Installation).

  1. Remove the cooling fan shroud.
    • Release 2 clips from the cooling fan lower shroud.
    • Release and remove the cooling fan lower shroud from the cooling pack.

  1. Using the special tools, retain the crankshaft pulley.
  1. CAUTION: Under no circumstances should the crankshaft setting peg, 303-645, be used in the following operations, to restrain the crankshaft. NOTE: The crankshaft pulley retaining bolt will be very tight.
    Remove the crankshaft pulley retaining bolt.
    • Discard the bolt.
  1. Remove the special tools.

  1. Using the special tools, remove the crankshaft pulley.
    • Collect the locking ring.
  1. Remove the special tools from the crankshaft pulley.

  1. Using the special tool, remove the crankshaft front seal.
    • Remove the outer section of the seal.
    • Repeat the process to remove the inner section of seal.
  1. Check the crankshaft damper pulley and locking ring for damage.
  1. Clean all the crankshaft pulley mating faces.

  1. Using the special tools, install the crankshaft front seal.
    • Lubricate the seal with clean engine oil.
    • Use the discarded crankshaft bolt with the service tool.
  1. Install the crankshaft pulley.
    • Lubricate the seal with clean engine oil.
  1. Install the crankshaft pulley locking ring.
  1. CAUTION: The screw thread in the crankshaft pulley must be cleaned out before installing a new crankshaft pulley bolt. Install, but do not tighten, the new crankshaft pulley bolt.
  1. CAUTION: Under no circumstances should the crankshaft setting peg, 303-645, be used in the following operations, to restrain the crankshaft. Using the special tools, retain the crankshaft pulley.
    • Tighten the crankshaft pulley bolt to 380 Nm (280 lb.ft).
  1. Remove the special tools.
  1. Install the cooling fan lower shroud.
  1. Install the accessory drive belt.
    For additional information, refer to: Accessory Drive Belt (303-05B Accessory Drive - V8 4.4L Petrol, Removal and Installation).
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    For additional information, refer to: Specifications (414-00 Battery and Charging System - General Information, Specifications).

Jan 27, 2016 | 2006 Land Rover Range Rover Sport

1 Answer

My craftsman 190cc 625 series lawn mower stopped and a friend said that there is a pin that drops when the mower blade gets caught and stops, I'm really in need of help on how to get to the pin if possible...

Wow it's a lot of work it's called the fly wheel key that is sheard. In every case like this you have to make sure you remove the spark plug or uncap the spark plug. Remove the pull cord assembly and then use a pipe or wooden board to keep the blade from moving underneath the mower. VERY VERY IMPORTANT TO USE A CLAMP TO HOLD DOWN THE CLUTCH BRAKE AND DO NOT REMOVE IT TILL YOUR FINISHED OR YOU'LL BRAKE OFF THE BRAKE FOOT ON THE LEVER. Use a breaker bar to remove the bolt holding the fly wheel down. Now here is the hard part. The fly wheel is made of aluminum and can brake easily as well as the fly wheels blades. If it cracks or the fly wheel blade is cracked or broken it's junk. If you don't have a Briggs and Straton puller you can use a lug wrench and pry the fly wheel up. You must first place the nut back on the 1 inch bolt on the center shaft so the threads are not showing at the top of the drive shaft. You have to hit the nut on the center hard but not like to hard to brake anything. After you get the fly wheel off you have to use the model and serial number to get the key from a lawn mower shop. Place the key under the fly wheel and very carefully watch to see if it lines up as you push the fly wheel down. Push it down from side to side so it fits flush. Tighten the bolt. Don't start it first see if when you pull the pull cord it moves with out pulling the rope back into the mower. You'll have to make sure the top bolt is tight like maybe 60 pounds. MJ

Sep 29, 2014 | Garden

1 Answer

Sharping the blades

I dont think you need to remove the fly wheel to sharpen blades. Remove the housing an the blades are visible an removed that way. Not a hard job at all.

Mar 24, 2014 | Central Machinery 5-1/2 Horsepower Chipper...

1 Answer

1999 ford taurus 3.0 dohc

this job does require some special tools to remove the crankshaft balancer....
1. Disconnect battery ground cable.
2. Remove drive belt.
3. Raise vehicle on hoist.
4. Remove RH front wheel and tire assembly.
5. Remove four crankshaft pulley to damper retaining bolts and remove crankshaft pulley.

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6. Remove crankshaft damper retaining bolt and washer.

7. CAUTION: Use care when removing damper so as not to damage crankshaft or create burrs.

Remove damper from crankshaft using Crankshaft Damper Remover 303-009 (T58P-6316-D) and Vibration Damper Remover Adapter 303-176 (T82L-6316-B).

Jun 15, 2012 | 1999 Ford Taurus

2 Answers

Where is the crankshaft sensor on a 3.8L in a 97 buick lesaber

The sensor is located to the right of the crankshaft behind the vibration dampner (harmonic balancer). You will need a balancer puller and a special tool to space the new sensor correctly.
(can be done also with eye spacing, but the tool is recommended to ensure proper spacing as to prevent damage to new sensor and / or harmonic balancer.) You will also need a strap wrench to hold balancer pulley in place while removing and re-installing balancer to crankshaft bolt. (helper required)

Procedure for replacement:
Remove negative battery cable.
Set parking (emergency) brake.
Release tension on serpentine drive belt and remove belt from harmonic balancer pulley. ( large pulley at bottom of engine)
Break loose lug nuts on passenger side front tire, do not remove bolts yet.
Raise and support vehicle on passenger side, remove wheel.
Remove plastic splash guard (cover) from passenger side wheel well.
Remove dampner / balancer center retaining bolt (counterclockwise, it is torqued very tight.) Use a strap wrench around pulley and have a helper hold that in place while using a 1/2" breaker bar and socket to turn pulley bolt out of crankshaft. Be careful not to rotate engine in a counterclockwise direction while breaking the bolt loose.
Using balancer puller, remove dampner / balancer pulley from engine.
You will now see the crank sensor to the right of the crankshaft bolted to the timing cover.
Disconnect sensor wiring and remove retaining bolts, remove sensor.
Put new sensor in place and screw in bolts, do not tighten them yet.
Reconnect wiring to sensor.
Now use special tool to properly space sensor. If you cannot find one at the parts store, you can space the sensor with the balancer pully held in place (not installed yet) and space the sensor evenly with the veins on the hub of the balancer pulley. Take your time and be sure it is as evenly spaced as possible.
Tighten sensor bolts.
Clean balancer hub free of any oil and dirt deposits using brake or carbeurator cleaner.
Reinstall balancer to crankshaft by tapping around the inner surface of pulley with a rubber hammer.
It is a press fit, so be sure you have it started evenly and progress slowly in a circular motion to ensure you are keeping it aligned straight with the crankshaft.
Reinstall balancer bolt using the same method as removal, torque bolt to 110 foot pounds, then tap around balancer again twice with rubber hammer, turn the engine 2 full revolutions clockwise using the balancer to crankshaft bolt, then tighten bolt an additional 1/4 turn.
Replace splash guard, put wheel on tightening lugs to finger tight and then wrench tight in a star pattern.
Lower vehicle until wheel makes contact with floor, tighten lug nuts to 115 foot pounds in a star pattern using a torque wrench.
Fully lower vehicle, remove jack.
Re-install serpentine drive belt
Re-connect negative battery cable.

End of procedure....Hope that helps!.....Mike

Jun 25, 2011 | 1997 Buick LeSabre

1 Answer

Hi i have a 2-ce engine and cannot extract bolt from crankshaft

I'd guess that your intending to replace the timimg belt and the engine is turning whenever you try to loosen the pulley bolt.
  • Your best and easiest way of going about the job is to remove the starter motor.
  • Disconnect the battery.
  • Remove the cables from the starter motor (The thin one for the solenoid and the thick cable for the HT power.
  • Remove the starter motor retaining bolts.
  • Remove the starter motor.
  • From here we can take two directions
  • a) Get a friend to help you, who should lock the fly wheel with a large flat screw driver by locking the rotation by placing the screw driver in the ring gear, while you loosen that bolt up front.
  • b) Get a toothed clamp made up that will fit into the ring gear and lock the fly wheel when fitted using one of the starter motor retaining bolts. This requires a job handed over to a machine shop. (a bit expensive for a single job)
  • When fitting the pulley bolt remember it should be tightened to a torque of 98nm
You have to watch out that the screw driver doen't slip while loosening or tightening
Have a good weekend
Regards Johngee10

Oct 30, 2010 | Toyota Corolla Cars & Trucks

1 Answer

Im replacing timing belt on 92 camry 30 v6 w/auto trans. i cannot breakloose he crankshaft balancer/pulley bolt. Are the threads lefthanded?is there any easy way to loosen this bolt without the crankshaft...

the fly wheel access is right there at the starter. it is a little piece of metal.remove it to gain access to the fly wheel or get someone to hold the crank will also need a wheel pulley to remove the crank pulley

Jun 27, 2010 | 1991 Toyota Camry

1 Answer

How can I un-bolt the Mandrel Pulley from the shaft?

If you have the deck removed from under the tractor you can try putting the blade back on tight if you have removed it and then use the blade to keep the mandrel shaft from turning. It takes quite a bit of torque to break the nut loose on the pulley so a socket and ratchet or breaker bar is the best thing to use. Other than that there is no "special" tool required

Sep 26, 2009 | Husqvarna Lawn Tractor 48" Deck, 23 Hp,...

1 Answer

Bottom center pulley

at the front of the transmission housing, there is an access plate that you can remove and place a LARGE flat blade screwdriver or pry-bar into the teeth of the fly wheel and jam it against a bolt in the housing. loosen the crank bolt (counter clock-wise). get a Y shaped "harmonic balancer puller" and follow the directions with the tool. good luck!

Jan 09, 2009 | 1992 Buick Century

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