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Is timeing a motor with high dome pistons the same as timeing one with flat top

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As long as the mechanical timing is okay so that you dont have a collision with the valves, the ignition timing is the same. Mechanical timing is not an issue if the heads allow enough space between the valves and the piston. approx 15 degrees advanced is where you want to be with ignition timing.

Posted on May 17, 2014

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Suzuki 1998 rm 250


The RM250W has a compression release, but I don't think the RM250 does.
If you have one, is it hooked up?

Also, isn't stock with a FLAT top piston?

Feb 17, 2014 | Motorcycles

1 Answer

1989 yz 125 has a flat piston or dome piston


hiya

flat piston

hope this helps

John

Nov 02, 2011 | 2003 Yamaha YZ 125

1 Answer

Pump needs replacing


I have the Bissell Big Green model 1672 and have used it for many years. Recently, the fan or suction blower began to emit a burnt smell so I shut it off. I had difficulty figuring out how to dissemble the top motor unit. Here is what I found.

Don't pry up on the very top disk, which is an air outlet. It will only break off and won't allow access to anything. If you do break it off, drill holes through the four posts and use stainless steel screws to re-attach the disk to the plastic posts it sits on.

Now, beneath the air outlet is the rest of the motor unit. The motor unit consists of three pieces. The bottom piece is the lid to the waste water receptacle. It is concave pointing down (lid shaped). The top piece is the domed lid for the motor unit. The middle piece is a flat plate between the other two pieces. The top of the flat plate (inside the unit) has mountings for the suction fan and the pump.

The flat plate is bolted to the bottom piece and the top piece (domed lid) is simply snapped down to the flat plate. If you take a flashlight and look inside the area where the AC cord is stored, you can see that the domed lid is a distinct piece from the flat plate. The model 1672 and 1680 (or 1680-3 if you wish) are nearly identilcal.

To access the internal parts in the motor unit, you cannot pry between bottom piece and the the flat plate because they are bolted together. But you can remove the top domed lid. To remove the domed lid, position the motor unit in front of you with the switches at 9 o-clock. Three snap-downs which attach the domed lid to the flat plate are at 1 o'clock, 2:30, and 7 o'clock. Wedge a flat bladed screwdriver or pocketknife between the edge of the domed lid and the flat plate at those locations and the lever the domed lid out and then up. The domed lid will separate from the bolted-together flat plate and bottom piece.

Wiring from the switches remain attached to to the electrical components. You will see that the AC cord has white, black, and green wires. The green ground wire connects to the fan ground at the 9 o'clock position. The white power connects to upper connector on the pump and also to the fan at the 7:30 position. Black feeds both switches on model 1672 and then a black wire runs from the correct switch to the bottom connector on the pump or to the connector on the fan at the 1:30 position.

Model 1680 has a third switch which feeds power to the floor sweeper. It has its own connection to the green ground and white power and goes through the third switch to connect to black.

If you need to replace the pump or the fan, shop around carefully. The pump, for example, can be found for $30 plus shipping2_bing.gif, but some will want to charge you $80.

Feb 15, 2010 | Bissell 1672 BIGgreen Wet/Dry Vacuum

2 Answers

How are the two top sections held together? I need to get at the wiring.


I have the Bissell Big Green model 1672 and have used it for many years. Recently, the fan or suction blower began to emit a burnt smell so I shut it off. I had difficulty figuring out how to dissemble the top motor unit. Here is what I found.

Don't pry up on the very top disk, which is an air outlet. It will only break off and won't allow access to anything. If you do break it off, drill holes through the four posts and use stainless steel screws to re-attach the disk to the plastic posts it sits on.

Now, beneath the air outlet is the rest of the motor unit. The motor unit consists of three pieces. The bottom piece is the lid to the waste water receptacle. It is concave pointing down (lid shaped). The top piece is the domed lid for the motor unit. The middle piece is a flat plate between the other two pieces. The top of the flat plate (inside the unit) has mountings for the suction fan and the pump.

The flat plate is bolted to the bottom piece and the top piece (domed lid) is simply snapped down to the flat plate. If you take a flashlight and look inside the area where the AC cord is stored, you can see that the domed lid is a distinct piece from the flat plate. The model 1672 and 1680 (or 1680-3 if you wish) are nearly identilcal.

To access the internal parts in the motor unit, you cannot pry between bottom piece and the the flat plate because they are bolted together. But you can remove the top domed lid. To remove the domed lid, position the motor unit in front of you with the switches at 9 o-clock. Three snap-downs which attach the domed lid to the flat plate are at 1 o'clock, 2:30, and 7 o'clock. Wedge a flat bladed screwdriver or pocketknife between the edge of the domed lid and the flat plate at those locations and the lever the domed lid out and then up. The domed lid will separate from the bolted-together flat plate and bottom piece.

Wiring from the switches remain attached to to the electrical components. You will see that the AC cord has white, black, and green wires. The green ground wire connects to the fan ground at the 9 o'clock position. The white power connects to upper connector on the pump and also to the fan at the 7:30 position. Black feeds both switches on model 1672 and then a black wire runs from the correct switch to the bottom connector on the pump or to the connector on the fan at the 1:30 position.

Model 1680 has a third switch which feeds power to the floor sweeper. It has its own connection to the green ground and white power and goes through the third switch to connect to black.

If you need to replace the pump or the fan, shop around carefully. The pump, for example, can be found for $30 plus shipping, but some will want to charge you $80.

Nov 30, 2009 | Bissell 1672 BIGgreen Wet/Dry Vacuum

1 Answer

Just bought from garage sale: Circuit tested with meter, and seems intact; however no power to vacuum unit when switched on. Pump unit works ok.


You'll need to open up the top motor unit, check the switch for the suction and test the fan itself. My model 1672 ran for many years, but recently it started to smell burnt when the fan was on. When I opened it up, you could see the fan spitting out sparks. I suspect the brushes are gone.

Here are instructions for opening up the motor unit. Don't pry up on the very top disk, which is an air outlet. It will only break off and won't allow access to anything. If you do break it off, drill holes through the four posts and use stainless steel screws to re-attach the disk to the plastic posts it sits on.

Now, beneath the air outlet is the rest of the motor unit. The motor unit consists of three pieces. The bottom piece is the lid to the waste water receptacle. It is concave pointing down (lid shaped). The top piece is the domed lid for the motor unit. The middle piece is a flat plate between the other two pieces. The top of the flat plate (inside the unit) has mountings for the suction fan and the pump.

The flat plate is bolted to the bottom piece and the top piece (domed lid) is simply snapped down to the flat plate. If you take a flashlight and look inside the area where the AC cord is stored, you can see that the domed lid is a distinct piece from the flat plate. The model 1672 and 1680 (or 1680-3 if you wish) are nearly identilcal.

To access the internal parts in the motor unit, you cannot pry between bottom piece and the the flat plate because they are bolted together. But you can remove the top domed lid. To remove the domed lid, position the motor unit in front of you with the switches at 9 o-clock. Three snap-downs which attach the domed lid to the flat plate are at 1 o'clock, 2:30, and 7 o'clock. Wedge a flat bladed screwdriver or pocketknife between the edge of the domed lid and the flat plate at those locations and the lever the domed lid out and then up. The domed lid will separate from the bolted-together flat plate and bottom piece.

Wiring from the switches remain attached to to the electrical components. You will see that the AC cord has white, black, and green wires. The green ground wire connects to the fan ground at the 9 o'clock position. The white power connects to upper connector on the pump and also to the fan at the 7:30 position. Black feeds both switches on model 1672 and then a black wire runs from the correct switch to the bottom connector on the pump or to the connector on the fan at the 1:30 position.

If you need to replace the fan, shop around carefully. The pump, for example, can be found for $30 plus shipping2_bing.gif, but some will want to charge you $80.

Nov 16, 2009 | Bissell 1672 BIGgreen Wet/Dry Vacuum

1 Answer

Pump will not run


You will need to disassemble the top motor unit and try putting power directly to the pump. The switch may be bad, the connections may be dislodged, or you may need to replace the pump. I am reading your question and I assume that you cannot hear the pump kick on (low thrumming sound).

Here is how to disassemble the motor unit. Don't pry up on the very top disk, which is an air outlet. It will only break off and won't allow access to anything. If you do break it off, drill holes through the four posts and use stainless steel screws to re-attach the disk to the plastic posts it sits on.

Now, beneath the air outlet is the rest of the motor unit. The motor unit consists of three pieces. The bottom piece is the lid to the waste water receptacle. It is concave pointing down (lid shaped). The top piece is the domed lid for the motor unit. The middle piece is a flat plate between the other two pieces. The top of the flat plate (inside the unit) has mountings for the suction fan and the pump.

The flat plate is bolted to the bottom piece and the top piece (domed lid) is simply snapped down to the flat plate. If you take a flashlight and look inside the area where the AC cord is stored, you can see that the domed lid is a distinct piece from the flat plate. The model 1672 and 1680 (or 1680-3 if you wish) are nearly identilcal.

To access the internal parts in the motor unit, you cannot pry between bottom piece and the the flat plate because they are bolted together. But you can remove the top domed lid. To remove the domed lid, position the motor unit in front of you with the switches at 9 o-clock. Three snap-downs which attach the domed lid to the flat plate are at 1 o'clock, 2:30, and 7 o'clock. Wedge a flat bladed screwdriver or pocketknife between the edge of the domed lid and the flat plate at those locations and the lever the domed lid out and then up. The domed lid will separate from the bolted-together flat plate and bottom piece.

Wiring from the switches remain attached to to the electrical components. You will see that the AC cord has white, black, and green wires. The green ground wire connects to the fan ground at the 9 o'clock position. The white power connects to upper connector on the pump and also to the fan at the 7:30 position. Black feeds both switches on model 1672 and then a black wire runs from the correct switch to the bottom connector on the pump or to the connector on the fan at the 1:30 position.

If you need to replace the pump or the fan, shop around carefully. The pump, for example, can be found for $30 plus shipping2_bing.gif, but some will want to charge you $80.

Nov 01, 2009 | Bissell 1672 BIGgreen Wet/Dry Vacuum

1 Answer

How do i open the power unit on a genesis 1672 vacuum cleaner?


I assume that yours is the same as the Bissell model 1672.

Here is how to disassemble the top motor unit. Don't pry up on the very top disk, which is an air outlet. It will only break off and won't allow access to anything. If you do break it off, drill holes through the four posts and use stainless steel screws to re-attach the disk to the plastic posts it sits on.

Now, beneath the air outlet is the rest of the motor unit. The motor unit consists of three pieces. The bottom piece is the lid to the waste water receptacle. It is concave pointing down (lid shaped). The top piece is the domed lid for the motor unit. The middle piece is a flat plate between the other two pieces. The top of the flat plate (inside the unit) has mountings for the suction fan and the pump.

The flat plate is bolted to the bottom piece and the top piece (domed lid) is simply snapped down to the flat plate. If you take a flashlight and look inside the area where the AC cord is stored, you can see that the domed lid is a distinct piece from the flat plate. The model 1672 and 1680 (or 1680-3 if you wish) are nearly identilcal.

To access the internal parts in the motor unit, you cannot pry between bottom piece and the the flat plate because they are bolted together. But you can remove the top domed lid. To remove the domed lid, position the motor unit in front of you with the switches at 9 o-clock. Three snap-downs which attach the domed lid to the flat plate are at 1 o'clock, 2:30, and 7 o'clock. Wedge a flat bladed screwdriver or pocketknife between the edge of the domed lid and the flat plate at those locations and the lever the domed lid out and then up. The domed lid will separate from the bolted-together flat plate and bottom piece.

Wiring from the switches remain attached to to the electrical components. You will see that the AC cord has white, black, and green wires. The green ground wire connects to the fan ground at the 9 o'clock position. The white power connects to upper connector on the pump and also to the fan at the 7:30 position. Black feeds both switches on model 1672 and then a black wire runs from the correct switch to the bottom connector on the pump or to the connector on the fan at the 1:30 position.

Model 1680 has a third switch which feeds power to the floor sweeper. It has its own connection to the green ground and white power and goes through the third switch to connect to black.

If you need to replace the pump or the fan, shop around carefully. The pump, for example, can be found for $30 plus shipping2_bing.gif, but some will want to charge you $80.

Sep 05, 2009 | Bissell 1672 BIGgreen Wet/Dry Vacuum

1 Answer

How do i get to the pump on a big green carpet machine


Here is how to disassemble the top motor unit. Don't pry up on the very top disk, which is an air outlet. It will only break off and won't allow access to anything. If you do break it off, drill holes through the four posts and use stainless steel screws to re-attach the disk to the plastic posts it sits on.

Now, beneath the air outlet is the rest of the motor unit. The motor unit consists of three pieces. The bottom piece is the lid to the waste water receptacle. It is concave pointing down (lid shaped). The top piece is the domed lid for the motor unit. The middle piece is a flat plate between the other two pieces. The top of the flat plate (inside the unit) has mountings for the suction fan and the pump.

The flat plate is bolted to the bottom piece and the top piece (domed lid) is simply snapped down to the flat plate. If you take a flashlight and look inside the area where the AC cord is stored, you can see that the domed lid is a distinct piece from the flat plate. The model 1672 and 1680 (or 1680-3 if you wish) are nearly identilcal.

To access the internal parts in the motor unit, you cannot pry between bottom piece and the the flat plate because they are bolted together. But you can remove the top domed lid. To remove the domed lid, position the motor unit in front of you with the switches at 9 o-clock. Three snap-downs which attach the domed lid to the flat plate are at 1 o'clock, 2:30, and 7 o'clock. Wedge a flat bladed screwdriver or pocketknife between the edge of the domed lid and the flat plate at those locations and the lever the domed lid out and then up. The domed lid will separate from the bolted-together flat plate and bottom piece.

Wiring from the switches remain attached to to the electrical components. You will see that the AC cord has white, black, and green wires. The green ground wire connects to the fan ground at the 9 o'clock position. The white power connects to upper connector on the pump and also to the fan at the 7:30 position. Black feeds both switches on model 1672 and then a black wire runs from the correct switch to the bottom connector on the pump or to the connector on the fan at the 1:30 position.

Model 1680 has a third switch which feeds power to the floor sweeper. It has its own connection to the green ground and white power and goes through the third switch to connect to black.

If you need to replace the pump or the fan, shop around carefully. The pump, for example, can be found for $30 plus shipping2_bing.gif, but some will want to charge you $80.

Jun 28, 2009 | Bissell 1672 BIGgreen Wet/Dry Vacuum

1 Answer

No problems yet


It is okay as you specified. feel safe drive it.

I love Toyota.

rate this

Apr 05, 2009 | 1983 Toyota Pickup

1 Answer

Open power unit on Bissell 1672


I have the Bissell Big Green model 1672 and have used it for many years. Recently, the fan or suction blower began to emit a burnt smell so I shut it off. I had difficulty figuring out how to dissemble the top motor unit. Here is what I found.

Don't pry up on the very top disk, which is an air outlet. It will only break off and won't allow access to anything. If you do break it off, drill holes through the four posts and use stainless steel screws to re-attach the disk to the plastic posts it sits on.

Now, beneath the air outlet is the rest of the motor unit. The motor unit consists of three pieces. The bottom piece is the lid to the waste water receptacle. It is concave pointing down (lid shaped). The top piece is the domed lid for the motor unit. The middle piece is a flat plate between the other two pieces. The top of the flat plate (inside the unit) has mountings for the suction fan and the pump.

The flat plate is bolted to the bottom piece and the top piece (domed lid) is simply snapped down to the flat plate. If you take a flashlight and look inside the area where the AC cord is stored, you can see that the domed lid is a distinct piece from the flat plate. The model 1672 and 1680 (or 1680-3 if you wish) are nearly identilcal.

To access the internal parts in the motor unit, you cannot pry between bottom piece and the the flat plate because they are bolted together. But you can remove the top domed lid. To remove the domed lid, position the motor unit in front of you with the switches at 9 o-clock. Three snap-downs which attach the domed lid to the flat plate are at 1 o'clock, 2:30, and 7 o'clock. Wedge a flat bladed screwdriver or pocketknife between the edge of the domed lid and the flat plate at those locations and the lever the domed lid out and then up. The domed lid will separate from the bolted-together flat plate and bottom piece.

Wiring from the switches remain attached to to the electrical components. You will see that the AC cord has white, black, and green wires. The green ground wire connects to the fan ground at the 9 o'clock position. The white power connects to upper connector on the pump and also to the fan at the 7:30 position. Black feeds both switches on model 1672 and then a black wire runs from the correct switch to the bottom connector on the pump or to the connector on the fan at the 1:30 position.

Model 1680 has a third switch which feeds power to the floor sweeper. It has its own connection to the green ground and white power and goes through the third switch to connect to black.

If you need to replace the pump or the fan, shop around carefully. The pump, for example, can be found for $30 plus shipping2_bing.gif, but some will want to charge you $80.

Jan 08, 2009 | Bissell 1672 BIGgreen Wet/Dry Vacuum

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