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How to reassemble T20 tractor engine with clutch housing

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Where are the transmission filters located on a 1370 case tractor


The filters are located behind the engine under the clutch housing. It is an hour glass shape cover about 1 1/2 inch thick with six 3/8 bolts .Be careful it is heavy , will loose about 2 gallons oil.

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1 Answer

Removing bell housing


hello sir, ryobi trimmers and other models removal of the bell housing,removal of the metal bell housing,or clutch drum, on models 780R & 790R, here is what you do. after removing the trimmer & shaft assembly.remove the spark plug insert a screwdriver in the cylinder to keep piston from moveing. to remove the bell housing twist off the spring and using a T20 TORX screwdriver unscrew the retaining screw in the center of the bell housing (normal r/h thread) . push down firmely try not to strip screw head . you should be able to remove clutch housing.remove clutch using a pair of channel locks,works for me, (normal r/h thread) you should be able to remove front engine cover to repair what you need to.coil,pull stsrt, hope this works,. this solution applies to all trimmers with clutch removal~~~hope this helps,,any comments welcome,thank you. ``

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1 Answer

Homelite hlt25cs, pull starter cord, wont engage starter clutch, cant find how to access it


hello sir, ryobi trimmers and other models removal of the bell housing,removal of the metal bell housing,or clutch drum, on models 780R & 790R, here is what you do. after removing the trimmer & shaft assembly.remove the spark plug insert a screwdriver in the cylinder to keep piston from moveing. to remove the bell housing twist off the spring and using a T20 TORX screwdriver unscrew the retaining screw in the center of the bell housing (normal r/h thread) . push down firmely try not to strip screw head . you should be able to remove clutch housing.remove clutch using a pair of channel locks,works for me, (normal r/h thread) you should be able to remove front engine cover to repair what you need to.coil,pull stsrt, hope this works,. this solution applies to all trimmers with clutch removal~~~hope this helps,,any comments welcome,thank you. ``

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1 Answer

Change pull cord


hello sir, ryobi trimmers and other models removal of the bell housing,removal of the metal bell housing,or clutch drum, on models 780R & 790R, here is what you do. after removing the trimmer & shaft assembly.remove the spark plug insert a screwdriver in the cylinder to keep piston from moveing. to remove the bell housing twist off the spring and using a T20 TORX screwdriver unscrew the retaining screw in the center of the bell housing (normal r/h thread) . push down firmely try not to strip screw head . you should be able to remove clutch housing.remove clutch using a pair of channel locks,works for me, (normal r/h thread) you should be able to remove front engine cover to repair what you need to.coil,pull stsrt, hope this works,. this solution applies to all trimmers with clutch removal~~~hope this helps,,any comments welcome,thank you. 11

Jan 27, 2012 | Homelite Mighty Lite Lawn Trimmer

1 Answer

How do you remove the clutch so that the pull cord can be replaced


hello sir, ryobi trimmers and other models removal of the bell housing,removal of the metal bell housing,or clutch drum, on models 780R & 790R, here is what you do. after removing the trimmer & shaft assembly.remove the spark plug insert a screwdriver in the cylinder to keep piston from moveing. to remove the bell housing twist off the spring and using a T20 TORX screwdriver unscrew the retaining screw in the center of the bell housing (normal r/h thread) . push down firmely try not to strip screw head . you should be able to remove clutch housing.remove clutch using a pair of channel locks,works for me, (normal r/h thread) you should be able to remove front engine cover to repair what you need to.coil,pull stsrt, hope this works,. this solution applies to all trimmers with clutch removal~~~hope this helps,,any comments welcome,thank you. 11

Dec 31, 2011 | Garden

1 Answer

Need to remove flywheel ryobi RLH1100 mark2


hello sir, ryobi trimmers and other models removal of the bell housing,removal of the metal bell housing,or clutch drum, on models 780R & 790R, here is what you do. after removing the trimmer & shaft assembly.remove the spark plug insert a screwdriver in the cylinder to keep piston from moveing. to remove the bell housing twist off the spring and using a T20 TORX screwdriver unscrew the retaining screw in the center of the bell housing (normal r/h thread) . push down firmely try not to strip screw head . you should be able to remove clutch housing.remove clutch using a pair of channel locks,works for me, (normal r/h thread) you should be able to remove front engine cover to repair what you need to.coil,pull stsrt, hope this works,. this solution applies to all trimmers with clutch removal~~~hope this helps,,any comments welcome,thank you. 11

Nov 04, 2011 | Ryobi 15" Electric Factory Reconditioned...

1 Answer

How hard is it to replace the starter pull cord on a Ryobi 725r gas weed trimmer?


With the proper tools, it is a moderate level project for the DIY mechanic. You will need T15, T20 and T25 torx drivers. 5/8" spark plug socket, Large lip-joint pliers, phillips head screwdriver, 40" of #3.5 rope and about an hour. Start by removing the shaft from the engine. Take pictures as you go. This will make reassenbly easier. The black housing removes next. This will expose the clutch drum. There is a T15 or T20 screw in the middle of the drum. It removes counter-clockwise. Next is the clutch itself. Remove the sparkplug and lower the piston to the bottom of the cylinder. Push as much of the old rop down into the cylinder as you can, then raise the piston up to "lock the cylinder. Now you can use the pliers to turn the clutch counter-clockwise to remove. Don't lose the little washer that is ontop of the clutch, or the thick washer that is under the clutch. Be careful with the clutch, you don't want to damage or misposition the springs on it. They are pretty difficult to reinstall. Next, remove the airbox cover and disconnect the throttle cable. Remove the remaining screws form the tan plastic housing and take it off. Inside this housing is the recoil pulley. Remove the pulley, install the new rope. Wind the rope on the pulley and pass the loose end thru the eye and tie on the handle. To tension the spring, install the pulley and wind more of the rope around the pulley. Reassmble in reverse order. Make sure to get the clutch tight. Failure to tighten the clutch properly can cause major damage.
Good luck!

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1 Answer

The cutting head on my bolens bl160 2-cycle trimmer will not cut grass. The cutting head still turns, but when I try to cut grass the head will stop moving, but the engine is running fine?


The clutch is fouled with assembly grease. Separate the boom from the powerhead, then use a T20 screwdriver insert into the clutch drum. Remove spark plug and insert a small length of rope to hold piston, now remove screw in clutch hub. Slide off clutch hub and clean with soap and water. If excessive grease is on end of boom drive shaft remove the excess but leave a little. the rubber clutch shoe works by stretching with faster engine rpms.

Jul 29, 2010 | Garden

1 Answer

I have a poulan woodshark p 3314wsa it starts and runs, but chain doesn't turn


Does the chainsaw seem to rev up without any resistance, or does it bog down as you push the throttle? If it revs up quickly, then it sounds like the clutch plates may be frozen - usually due to rust. If it boggs down, then the chain and/or clutch housing are frozen or stuck somewhere.

The chain drive uses a centrifugal dry friction clutch with two weighted plates that are spring loaded. The springs keep the plates disengaged from the clutch housing to allow the engine to spin freely at an idle (or slip when the chain slows down due to the blade binding).

When you press the throttle, the engine revs up and the higher RPMs create centrifugal force causing the clutch plates to push outward - fighting against the springs, and begin creating friction on the inside of the clutch housing. If rust prevents the clutch plates from moving out to cause the necessary friction, the clutch housing (and drive gear which is permanently affixed to the housing) won't spin and the chain won't move.

With the engine OFF and cool...first take a thick towel or rag and place it over the chain with the engine switch in the OFF position. Try to move the chain in the normal rotation (top forward, bottom backward) to see if the chain moves freely or if it is stuck in position. If it does move, then take off the chain cover and then get a can of PB Blaster and spray the clutch plates and springs. Give it an hour or so and then take a rag and wipe off the excess and reassemble and try it. The excess PB Blaster will burn off with the heat of the clutch and the rust will no longer be a problem.

If the chain won't move, then somewhere along the drive the chain or clutch housing are stuck. Look for a bend or kink in the bar where the chain rides.

May 29, 2010 | Garden

1 Answer

Difficult to start -- bad kill switch?


You have 3 safety switches located on the tractor, any one of which can cause the tractor to not crank over.
I assume the deck lever is not engaged, you are sitting in the seat and you push the clutch down when trying to start?
Start by lifting the seat and disconnecting the seat switch, push the clutch in and try to start.
Start there and we'll go from there.
Regards,

Aug 21, 2009 | Craftsman Garden

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